Katrin Vang
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Health and Physical Education Quiz on Cycle 1 & 2, created by Katrin Vang on 27/06/2021.

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Katrin Vang
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Cycle 1 & 2

Question 1 of 91

1

What is true about sarcomeres?

Select one of the following:

  • Extend from M to M line

  • The major protein of Z line sarcomeres is myosin

  • ContainsZline+1⁄2 Iband+Aband+1⁄2Iband+Zline

  • The major protein of the Z line of sacromere is creatines kinase

Explanation

Question 2 of 91

1

What is true about skeletal muscle?

Select one or more of the following:

  • T-tubuls are absent

  • Caveolas and gap junctions can be occasionally present

  • Actin-myosin binding is triggered by interaction of Ca2+ with troponin subunit C

  • Concentration triggered at motor end plate

  • Formed by structures called fibers

  • Skeletal muscle fibers are innervated by muscle neurons

Explanation

Question 3 of 91

1

What is true about perimysium?

Select one or more of the following:

  • It does not contain any blood vessels

  • It surrounds every single muscle fiber

  • It surrounds the whole muscle

  • It contains blood vessels

  • It surrounds a bundle of fibers

Explanation

Question 4 of 91

1

Which statement about skeletal muscle are correct?

Select one or more of the following:

  • Regeneration of skeletal muscles directly depends on amount of calcium ions

  • There are no sarcomeres in fibers

  • Skeletal muscle fibers are innervated by motor neurons

  • Are formed by structures called fibers

Explanation

Question 5 of 91

1

Which pair is correctly paired?

Select one or more of the following:

  • Simple cuboidal – lining ducts of most glands

  • Transitional – urinary bladder

  • Simple squamous – epidermis of skin

Explanation

Question 6 of 91

1

Which statement regarding nodal cilia is true?

Select one or more of the following:

  • Are associated with gastrulation

  • Are found in the embryo

  • Are arranged into 9 + 10 pattern

  • Are associated with rotational movement

Explanation

Question 7 of 91

1

In which type of junction occluding and claudin are characteristic and prominent?

Select one or more of the following:

  • These proteins are not associated with cell junctions

  • Nexus

  • Zonal occludens

  • Zonula adherens

Explanation

Question 8 of 91

1

What is true about mesenchyme?

Select one or more of the following:

  • Is called 4th germ layer

  • Is located between the mesenchyme and endoderm

  • Is located in mesoderm

  • Is one of three germ layers

  • Is located between the ectoderm and endoderm

  • Is derived from mesoderm

Explanation

Question 9 of 91

1

What is true about mesoderm?

Select one or more of the following:

  • Is one of the three germ layers

  • Is derived from mesenchyme

  • Is called 4th germ layer

  • Appears only during the prenatal life

  • Is located between the mesenchyme and endoderm

  • Is located above the ectoderm

Explanation

Question 10 of 91

1

What is true about so somitogenesis?

Select one or more of the following:

  • It happens before the initiation of neurolation

  • This is the process of segmentation of the paraxial mesoderm

  • Is regulated by the so-called segmentation and wave model

  • It occurs after the intitation of neurulation

  • It starts at the beginning of the 3rd week of prenatal life

  • It begins at the beginning of the 3rd month of prenatal life

Explanation

Question 11 of 91

1

Which statement regarding apical surface`s modification is correct?

Select one or more of the following:

  • Tight junction

  • Glycocalix

  • Goblet cell

  • Villus

Explanation

Question 12 of 91

1

Which of GAGs is/are characteristic for cartilage?

Select one or more of the following:

  • Keratin sulfate

  • Osteonectin

  • Hyaluronic acid

  • Dermatologist sulfate

Explanation

Question 13 of 91

1

What is true sclerotome?

Select one or more of the following:

  • Contains only epithelial like cells

  • Is derived from ventro-medial somite cells

  • Scelerotome gives rise to mesoderm

  • Contains secondary mesenchyme cells

Explanation

Question 14 of 91

1

What is true about somites?

Select one or more of the following:

  • They are blocks (segment) of the paraxial mesoderm

  • They are symmetrical structures

  • They are blocks (segment) of the lateral mesoderm

  • They are blocks (segment) of the visceral mesoderm

Explanation

Question 15 of 91

1

Which sentence/sentences is/are true?

Select one or more of the following:

  • Osteoclasts possess of the receptor for calcitonin

  • Inner fibrous layer of perichondrium contains chondrogenic cells

  • The precursors of osteoclasts are monocytes

  • Outer fibrous layer of perichondrium contains chondrogenic cells

Explanation

Question 16 of 91

1

Which feature regarding hyaline cartilage is correct?

Select one or more of the following:

  • Chondrocytes are grouped in isogenic groups

  • It is covered by perichondrium

  • Perichondrium is composed of two layers

  • Hyaline cartilage is highly vascularized

Explanation

Question 17 of 91

1

Which of the statements about woven bone is/are true?

Select one or more of the following:

  • Physiologically can be found in compact mature bone

  • Can be found in insertions of some tendon

  • In adult present in place of fracture repair

  • Possess lamellae

Explanation

Question 18 of 91

1

Which of the phrase/phrases concerning the perichondrium is/are true?

Select one or more of the following:

  • Is formed by collagen type II

  • Is responsible for appositional growth of cartilage

  • Acts protective for cartilage

  • Contains Sharpey fibers

Explanation

Question 19 of 91

1

Which cells of connective tissue promote the allergenic reactions?

Select one or more of the following:

  • Fibrocytes

  • Histiocytes

  • Fat cells

  • Mast cells

Explanation

Question 20 of 91

1

Which statement regarding connective tissue (CT) proper is true?

Select one or more of the following:

  • Is divided into loose and dense CTs

  • Collagen contains unusual amino acids desmosine and indodesmosine

  • Chondroblasts are main population of cells in the tissue

  • Transient cells of connective tissue are e.g fibroblasts

Explanation

Question 21 of 91

1

Which statement regarding adipose tissue is true?

Select one or more of the following:

  • There are two types, white uniocular and brown multilocular

  • Multiocular is rich in the human adult

  • Leptin is secretory product of white adipocytes

  • Brown adipose tissue changes into yellow one

Explanation

Question 22 of 91

1

What is the characteristic function of mast cells?

Select one or more of the following:

  • The surface contain receptor for IgE

  • Influence permeability of blood vessels

  • Participate in process of wound healing

  • Storing of chemical mediators in granules

Explanation

Question 23 of 91

1

What type of tissue is a tendon?

Select one or more of the following:

  • Mucus tissue

  • Dense irregular tissue

  • Dense regular elastic tissue

  • Loose connective tissue

  • Dense regular collagenous tissue

Explanation

Question 24 of 91

1

Which statement about holocrine glands is true?

Select one or more of the following:

  • Its example is sebaceous gland

  • The cells are often surrounded by myoepithelial cells

  • It’s example is mammary gland

  • The product of the cell is released with its apical part

Explanation

Question 25 of 91

1

Which of the sentence/s about cartilage is/are true?

Select one or more of the following:

  • Is avascular (without blood vessels) tissue

  • Ventral ends of the ribs are formed by hyaline cartilage

  • Ventral ends of the ribs are formed by fibrocartilage

  • Chondrogenic cells are the stem cells for chondroblasts

  • Epiphyseal plates are the hyaline cartilage structures needed for long bones growth

  • Hyaline cartilage form the temporal skeleton

  • Is well vascularized

Explanation

Question 26 of 91

1

Is it true that osteogenesis?

Select one or more of the following:

  • Is the bone development process

  • During intramembranous ossification the epiphyseal cartilages are formed

  • It could be said that bony collar formation is a kind of intramembranous ossification

  • Could happen thanks intramembranous ossification

Explanation

Question 27 of 91

1

Which sentence/s is/are true?

Select one or more of the following:

  • Haversian Canal is located in the periphery of the osteon

  • Inner fibrous layer of perichondrium contains chondrogenic cells

  • The precursors of osteoclasts are monocytes

  • Outer fibrous layer of perichondrium contains chondrogenic cells

Explanation

Question 28 of 91

1

Which of the phrase/s concerning osteoclasts are true?

Select one or more of the following:

  • Arises from monocytes

  • Produces cathepsin K

  • Pumping protons into resorption cavity of bone

  • Its projections form ruffled border

  • To its differentiation need RANKI

Explanation

Question 29 of 91

1

Which statement regarding connective tissue (CT) proper is true?

Select one or more of the following:

  • Is divided into loose and dense CTs

  • Fibroblasts can be differentiated into histiocytes

  • Cells of embryonic mesenchymal CT produce type I collagen fibers

Explanation

Question 30 of 91

1

What is the characteristic function of mast cells?

Select one or more of the following:

  • Influence permeability of blood vessels

  • Their histamine acts as an anticoagulant

  • Synthesis of IgE

  • They can produce elastic fibers

  • The surface contains receptors for IgE

  • Storing chemical mediators in granules

Explanation

Question 31 of 91

1

Which features are characteristic for multilocular adipose tissue?

Select one or more of the following:

  • In humans the tissue is important mainly in the first postnatal life

  • In human newborn the multilocular adipose tissue constitutes 50% of the body weight

  • One, large lipid droplet

  • Many, lipid droplets

Explanation

Question 32 of 91

1

Which type of tissue is tendon?

Select one or more of the following:

  • Tissue that consists of collagen type 1

  • Mucous tissue

  • Dense irregular tissue

  • Dense regular collagenous tissue

Explanation

Question 33 of 91

1

Which statement regarding synthesis of collagen fibers are correct?

Select one or more of the following:

  • Hydroxylation of proline and lysine is within extracellular environment

  • Glycosylation of hydroxylysine is within extracellular environment

  • Procollagen is precursor for tropocollagen

  • Hydroxylation of proline and lysine is within intracellular environment

  • Co-factors; O2, Fe, vit. C are needed for the hydroxylation of proline and lysine

Explanation

Question 34 of 91

1

What is true about somites?

Select one or more of the following:

  • They develop from the cranial towards the caudal region

  • They are blocks (segments) of the paraxial mesoderm

  • None of them disappear

  • They appear between the 20th and 35th day of prenatal life

Explanation

Question 35 of 91

1

What is true about the dermatome?

Select one or more of the following:

  • Is a structure located closer to the ectoderm in developing embryo

  • It will soon contribute to the development of the skeletal muscles

  • Dermatome progenitors together with cells from the lateral mesoderm will form an epidermis

  • Dermatome cells are differentiated from dermomyotome

  • Is the structure located closer to the neural tube in embryo

  • Dermatome progenitors together with cells from the lateral mesoderm will form a dermis

  • Dermatome cells are differentiated from myotome

Explanation

Question 36 of 91

1

What is true about perimysium?

Select one or more of the following:

  • It surrounds every single muscle fiber

  • It surrounds the whole muscle

  • It does not contain any blood vessels

  • It contains blood vessels

  • It surrounds a bundle of fibers

Explanation

Question 37 of 91

1

What is true about sarcomeres?

Select one or more of the following:

  • Contains Z line + 1/2 I band + A band + ½ I band + Z line

  • Are typical for smooth muscle

  • In smooth muscle sarcomeres are arranged in myofibrils

  • Are present only in smooth muscles

Explanation

Question 38 of 91

1

Which statements about skeletal muscles are correct?

Select one or more of the following:

  • Skeletal muscles contain diads

  • Sarcomeres is a segment of myofibril between two Z lines.

  • Dark stained band is called the I band

  • Are formed by structures called fibers

  • Actin-myosin binding is triggered by interaction of Ca2+ with troponin subunit C

  • Phosphorylation of MLCK is responsible for binding actin and myosin

  • T-tubules are present in the center of the triads

  • T-tubules are absent

Explanation

Question 39 of 91

1

What is true about the dermamyotome?

Select one or more of the following:

  • It is a ventro-medial part of the somite

  • Is also called lateral mesoderm

  • It is a dorsolateral part of the somite

  • Its cells can’t migrate

Explanation

Question 40 of 91

1

What is true about skeletal muscle contraction?

Select one or more of the following:

  • During the skeletal muscles contraction sarkomeres retain their original length

  • During the skeletal muscles contraction energy is released from ATP

  • During the skeletal muscles contraction calcium ions bind to the calmodulin

  • To trigger a muscle contraction, calcium has to bind to myosin in smooth, skeletal and cardiac muscle cells

Explanation

Question 41 of 91

1

Which statement regarding glands is correct?

Select one or more of the following:

  • Goblet cell is a unicellular gland

  • Holocrine is sebaceous gland

  • Salivary glands are always seromucous

  • Exocrine derive from the epithelium

Explanation

Question 42 of 91

1

Which features are typical for epithelium/epithelial cells?

Select one or more of the following:

  • Location on the basement membrane/basal lamina

  • No possibility to regeneration

  • Polarity

  • Vascularization

Explanation

Question 43 of 91

1

Which statement about holocrine secretion is true?

Select one or more of the following:

  • It is also called merocrine secretion

  • It is characteristic for the sebaceous glands

  • It consists in turning the entire cell into secretion and its excretion

  • It is characteristic for the salivary gland

Explanation

Question 44 of 91

1

Which of cells are located in connective tissue do originate from the bone marrow?

Select one or more of the following:

  • Mast cells

  • Adipocytes

  • Fibrocytes

  • Histiocytes

Explanation

Question 45 of 91

1

Which cells can produce extracellular matrix?

Select one or more of the following:

  • Histiocytes

  • Lymphoblasts

  • Fibrocytes

  • Fibroblasts

Explanation

Question 46 of 91

1

Which intercellular junctions are included to anchoring (adherens) junctions?

Select one or more of the following:

  • Adherens junction

  • Desmosome

  • Hemidesmosome

  • Occludens

Explanation

Question 47 of 91

1

Which statement regarding hemidesmosomes is correct?

Select one or more of the following:

  • Integrins

  • Intermediate filaments

  • Bind epithelial cells to basal lamina

Explanation

Question 48 of 91

1

What is Volkmann canal?

Select one or more of the following:

  • It is located in lacunae

  • It connects two Haversian canals

  • It is located in the center of osteon

  • It connects canaliculi with osteocytes

Explanation

Question 49 of 91

1

Is it true that the bone?

Select one or more of the following:

  • osteoblasts are polarized cells

  • ECM is high mineralized

  • Osteoblast liberate osteoclasts activating protein (OPG), RANKL and M-CSF

  • Periosteum is similarly built as endosteum

  • Osteoblast control metabolism of osteoclast

  • Osteoblast control the number of osteoclast

  • Ruffled border of osteoclast is situated at the resorption cavity of bone

  • The metabolism is under hormonal control

  • Water constitutes up to 80% of the weight of fresh tissue

Explanation

Question 50 of 91

1

Which pair: Cell of the mononuclear phagocyte system - location is correct?

Select one or more of the following:

  • blood – monocyte

  • liver - kupffer cell

  • brain - kupffer cell

  • spleen - kupffer cell

Explanation

Question 51 of 91

1

Which feature is characteristic for elaunin fibers?

Select one or more of the following:

  • Around sweat glands

  • In dermis

  • Between fibrillin microfibrils

Explanation

Question 52 of 91

1

Which cells of the connective tissue are classificated as residental cells?

Select one or more of the following:

  • Fibroblasts

  • Fibrocytes

  • Adipocytes

  • Mesenchymal cells

  • Adult stem cells

  • Fixed macrophages

Explanation

Question 53 of 91

1

What is true about the somitomers?

Select one or more of the following:

  • Appear around 3rd week of perinatal life

  • Are located on one side along the neural tube

  • Somitomeres are involved in the segmentation of the neutral plaque, the production of neuromeres

  • Are located below the occipital region of the head

  • Consists of mesodermal cells, arranged in concentric coils around their own center

Explanation

Question 54 of 91

1

What is true about endomysium?

Select one or more of the following:

  • Surrounds the whole muscle

  • Is located between perimysium and epimysium

  • Is delicate, reticular connective tissue.

  • Large, major nerves supply this sheath

  • Surround the external lamina of individual muscle fibers

  • Surrounds the entire muscle

  • Capilarries form a rich network within the endomysium

Explanation

Question 55 of 91

1

What is true about troponin?

Select one or more of the following:

  • Is a complex of 3 subunits

  • Is attached to tropomyosin

  • Troponin C can bind calcium ions

  • Is the main component of the Z line of sarcomere

  • Is attached to Z line

Explanation

Question 56 of 91

1

What is true about the cardiac muscle (CM)?

Select one or more of the following:

  • Contraction is triggered at nodes of conducting fibers

  • Nuclei are centrally located

  • Contraction is triggered at motor end plate

  • Fibers are aligned in branching arrangements

Explanation

Question 57 of 91

1

Which pairs are correct (cells/structures and their location)?

Select one or more of the following:

  • Caveolae - Smooth muscle

  • Intercalated discs - cardiac muscle

  • Smooth muscle cells - muscularis externa of small intestines

  • Two terminal cisterns per sarcomere with T-tubule - skeletal muscle

Explanation

Question 58 of 91

1

Which statement regarding transitional epithelium is true?

Select one or more of the following:

  • Is simple columnar epithelium

  • Is not located on a basal lamina

  • Changes its form according to the degree of distention

  • Is present in urinary bladder

  • Is stratified cuboidal/columnar epithelium

  • Is located on basal lamina

  • Umbrella cells are dedicated to protect other cells against hypertonic urine

  • Is also called urothelium

  • In some areas of the umbrella cells special protective protein called uroplakin is present

  • Superficial cells may be binucleated

Explanation

Question 59 of 91

1

Which statement regarding transitional epithelium is true?

Select one or more of the following:

  • Is covering minor and major calyces

  • Its dome-shaped umbrella cells can change morphology to become flattened

  • Includes basal cells, intermediate cells with one to several layers of cells and superficial umbrella cells

Explanation

Question 60 of 91

1

Which statement regarding primary cilia is true?

Select one or more of the following:

  • Are associated with gastrulation

  • Are associated with passive movement

  • are associated with active movement

  • Are arranged into 9+0 pattern

  • Are arranged into 9+2 pattern

  • Are only found in the embryo

Explanation

Question 61 of 91

1

Which proteins form desmosomes?

Select one or more of the following:

  • Cadherins

  • Desmogleins

  • Desmocollins

  • Armadillo

  • Plakophilins

  • Plakoglobin

  • Desmoplakin

Explanation

Question 62 of 91

1

What is true about the dermomyotome?

Select one or more of the following:

  • Is so called lateral mesoderm

  • Is so called paraxial mesoderm

  • It is a dorsolateral part of the somite

  • Will differentiate into a myotome and dermatome

  • It’s created after separation of myotome and dermatome

  • Its cells can migrate

  • Its cells can’t migrate

Explanation

Question 63 of 91

1

Which connection: cells - place of presence, is correct?

Select one or more of the following:

  • Astrocytes - peripheral nervous system

  • Ependymocytes - central nervous system

  • Ependymocytes - peripheral nervous system

  • Ependymocytes - central canal

Explanation

Question 64 of 91

1

Which statement regarding ganglia is true?

Select one or more of the following:

  • Multipolar neurons are present in autonomic ganglia

  • Are composed of both - perikaryons and nerve fibers

  • Sensory ganglia are surrounded by connective tissue capsule

  • Multipolar neurons are present in sensory ganglia

Explanation

Question 65 of 91

1

Is it true that tracheoesophageal Fistula (TEF)?

Select one or more of the following:

  • In other words, it is respiratory distress syndrom (RDS)

  • Is often accompanied by esophageal atresia (EA)

  • Is result of incomplete separation of foregut into the digestive and respiratory system

  • In other words, it is hyaline membrane disease

Explanation

Question 66 of 91

1

Which statement about lung development is correct?

Select one or more of the following:

  • Primary bronchi buds appear at the beginning of the 5th week of prenatal development

  • Some of the bronchial tree branching are made after birth

  • Cranial lung’s lobes develop earlier/faster than caudal

Explanation

Question 67 of 91

1

Which statement about the development stages of the respiratory system is true?

Select one or more of the following:

  • Canalicular stage in the first stage

  • Primary septa are thicker than secondary alveolar septa

  • The respiration of featus is possible during pseudoglandular stage

  • Alveolar stage is finished during the first years of postnatal life

Explanation

Question 68 of 91

1

Does conducting portion of respiratory system inculde?

Select one or more of the following:

  • Respiratory

  • Alveoli

  • Trachea

  • Nasal cavities

Explanation

Question 69 of 91

1

Which answer/s regarding the respiratory system is/are true?

Select one or more of the following:

  • Respiratory epithelium contains ciliated cells

  • Nasal cavity is part of respiratory portion

  • Includes system of tubes that link the site of gas exchanging with external environment

  • Includes paired lung

Explanation

Question 70 of 91

1

Does respiratory portion of respiratory system include?:

Select one or more of the following:

  • Olfactory epithelium

  • Oral cavity

  • Alveolar ducts

  • Respiratory bronchioles

Explanation

Question 71 of 91

1

Which organs of the lymphatic system are capsulated (covered by capsule)?

Select one or more of the following:

  • Bone marrow

  • BALT

  • Spleen

  • Thymus

Explanation

Question 72 of 91

1

Which statement regarding adaptive immunity is true?

Select one or more of the following:

  • Includes antigen-presenting cells

  • Its response is very rapid

  • One of its example is low pH of gastric juice

  • It includes action of B lymphocytes

Explanation

Question 73 of 91

1

Which statement regarding adaptive immunity is correct?

Select one or more of the following:

  • Is evolutionarily older than aquired immunity

  • Is because of phagocytic activity of neutrophils

  • Is because of clonal expansion of B cells

  • Includes action of B lymphocytes

Explanation

Question 74 of 91

1

When does the spleen begin to develop?

Select one or more of the following:

  • At the end of 5th month of prenatal life

  • At the end of 3rd week of prenatal life

  • At the end of 7th week of prenatal life

  • At the end of 5th week of prenatal life

Explanation

Question 75 of 91

1

What is the main origin of lymph node?

Select one or more of the following:

  • Neuroectoderm

  • Mesenchyme

  • Endoderm

  • Mesoderm

Explanation

Question 76 of 91

1

From which pouch a thymus arises?

Select one or more of the following:

  • 5th pouch

  • 2nd pouch

  • Ventral wing of 3rd pouch

  • Dorsal wing of 4th pouch

Explanation

Question 77 of 91

1

Which of the following statements about maturation of granulocytes is/are true?

Select one or more of the following:

  • Stages of granulocyte maturation in proper order: promyelocyte & myeloblast & myelocyte & metamyelocyte

  • Involves ejecting of the nucleus

  • Stages of granulocyte maturation in proper order: myeloblast & promyelocyte & metamyelocyte & myelocyte

  • Involves changing of the shape of the nucleus

Explanation

Question 78 of 91

1

Which stage is the first stage of nondividing cells during erythropoiesis?

Select one or more of the following:

  • CFU-GEMM

  • Erythrocyte

  • Ortochromatophilic erythroblast

  • Basophilic erythroblast

Explanation

Question 79 of 91

1

What is true about hematopoietic stem cells?

Select one or more of the following:

  • Are able to response for a growth factors stimulation

  • Their morphology is similar to lymphocytes

  • They have typical morphological features

  • All blood cells are derived from one hematopoietic stem cell

Explanation

Question 80 of 91

1

Which molecules are permissive for neural crest cells migration?

Select one or more of the following:

  • Molecules present in basal laminae

  • Ephrin B1

  • Chondroitin sulphate proteoglycans

  • Laminin

Explanation

Question 81 of 91

1

What is true about the cranial neural crest?

Select one or more of the following:

  • They leave the future brain after the closure of the neural folds

  • they migrate toward the gut

  • They differentiate into cells and tissues that constitute much of soft and hard tissues of the face

  • They leave the future brain well before closure of the neural crest.

Explanation

Question 82 of 91

1

What is true about neural crest?

Select one or more of the following:

  • The neural crest originates from cells located along the lateral margins of the neural palate

  • neural crest cells arise as the result of an inductive action by non-neural ectoderm

  • neural crest cells arise as the result of an inductive action by neuroectoderm

  • the neural crest originates from the mesoderm

Explanation

Question 83 of 91

1

Which statement regarding impulse conducting system of the heart is correct?

Select one or more of the following:

  • Atrioventricular node is its part

  • It is involved in controlling of the contraction of the myocardium

  • subendocardial conducting network is part of it

  • Atrioventricular bundle (of His) is its part

Explanation

Question 84 of 91

1

Which statement regarding discontinuous capillaries is true?

Select one or more of the following:

  • They have many tight, occludin junctions between endothelial cells

  • They have large fenestrations within basal lamina

  • They are found in the muscles

  • They are characteristic for bone marrow

Explanation

Question 85 of 91

1

Which statement regarding endothelium is correct?

Select one or more of the following:

  • It is simple squamous epithelium

  • There is no endothelium in wall of veins

  • it can be found in the intima of artery

  • Endothelial cells are metabolic active cells

Explanation

Question 86 of 91

1

Which statement(s) regarding the leukocytes is correct?

Select one or more of the following:

  • Basophils have biconcave shape

  • Monocytes differentiate into macrophages

  • Basophils have kidney-shaped nucleus

  • Monocytes contain azurophilic granules

Explanation

Question 87 of 91

1

Which of the following statements about erythrocytes is/are true?

Select one or more of the following:

  • Can leave the blood vessels by Diapedesis

  • Are called red blood cells

  • Their shape is maintained by a special cytoskeleton

  • Transport oxygen and carbon dioxide

Explanation

Question 88 of 91

1

Which is true about the bone marrow?

Select one or more of the following:

  • Red bone marrow is not hematogenous

  • In adult hemopoiesis takes place in red bone marrow

  • Great number of adipose cells are present in yellow bone marrow

  • Red bone marrow is present in flat bones and vertebrae

Explanation

Question 89 of 91

1

Which statement regarding skin is correct?

Select one or more of the following:

  • Keratinocytes are main population of dermis

  • SALT system includes keratinocytes, T lymphocytes and Langerhans cells

  • Eccrine and apocrine sweat glands release its secretion by a merocrine process

  • Keratinocytes are main population of hypodermis

Explanation

Question 90 of 91

1

In which layer of the epidermis desmosomes are present in the highest number?

Select one or more of the following:

  • Stratum granulosum

  • Stratum spinosum

  • In stratum granulosum and stratum lucidum

  • There are no desmosomes in epidermis

Explanation

Question 91 of 91

1

Which gland releases its secretion by holocrine way?

Select one or more of the following:

  • Liver

  • Sebaceous gland

  • Salivary gland

  • Gall bladder

Explanation