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FINAL
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Preguntas del test (99)
1Which pigment of skin is responsible for a dark brown/black color and absorbs UV rays to protect DNA?
- Ahemoglobin
- Bmelanin
- Ccarotene
- Dkeratin
2Which layer of skin contains dead skin cells?
- Astratum spinosum
- Bstratum basale
- Cstratum corneum
- Dstratum granulosum
3Which layer of skin contains ridges and sweat pores that give us fingerprints?
- Adermis
- Bepidermis
- Chypodermis
4This layer of skin does not contain blood vessels:
- Adermis
- Bepidermis
- Chypodermis
5Which type of gland secretes sebum into a hair follicle?
- Aeccrine
- Bapocrine
- Cmerocrine
- Dsebaceous
6Which sweat glands are found in the axillary and anogenital regions (may act as pheromones)?
- Aapocrine
- Beccrine
- Csebaceous
- Dmammary
7In which ways does the skin maintain homeostasis of internal body temperature when a person is TOO HOT?
- Athe nervous system activates sweat glands
- Bdilation of dermal blood vessels
- Ccontraction of arrector pili
- DA and B
8Which of these types of tissues is responsible for movement?
- Aconnective
- Bmuscle
- Cnervous
- Depithelial
9Where is simple squamous epithelium found?
- Alungs
- Bbladder
- Cdigestive tract
- Dintervertebral discs
10Which of these is a distinguishing apical surface feature of psuedostratified columnar epithelium?
- Amicrovilli
- Bcilia
- Cgoblet cell
- Dnone of these
11Where is transitional epithelium found?
- Alungs
- Bbladder
- Cdigestive tract
- Dintervertebral discs
12Goblet cells release
- Asebum
- Bsweat
- Cmucus
- Denzymes
13The type of tissue responsible for support, protection, binding, fat storage, and blood transport is:
- Aepithelial
- Bconnective
- Cmuscle
- Dnervous
14What do mast cells release that contributes to the symptoms of allergies?
- Ahistamine
- Bplatelets
- Chormones
- Dmacrophages
15Which type of connective tissue fiber is the strongest?
- Acollagen
- Breticular
- Celastic
16Which type of connective tissue fiber can be stretched easily and recoil?
- Aelastic
- Bcollagen
- Creticular
17Which type of connective tissue fibers lends delicate support to soft organs?
- Acollagen
- Breticular
- Celastic
18_______________ connective tissue stores fat.
- Aadipose
- Bareolar
- Cdense
19Which type of cartilage is the most abundant and found in the ribs and ends of long bones?
- Ahyaline
- Belastic
- Cfibrocartilage
20Which type of cartilage is the strongest, containing the most collagen fibers, and is found in the vertebral column?
- Aelastic
- Bfibrocartilage
- Chyaline
21Which of these statements about cartilage is false:
- Ait is avascular
- Bit is made of mostly water
- Cit receives nourishment from a perichondrium
- Dall of these are true
22Which of these is not in blood?
- Ared blood cells
- Bwhite blood cells
- Cplatelets
- Dplasma
- Ethese are all in blood
23Which of these muscle tissues is under voluntary control?
- Acardiac
- Bsmooth
- Cskeletal
24Where is smooth muscle found?
- Abrain
- Bheart
- Cspine
- Ddigestive organs
25According to shape, the bones of the skull are:
- Ashort bones
- Blong bones
- Cflat bones
- Dirregular bones
26Which feature of bone helps reduce the bone's weight?
- Aepiphyseal plate
- Bosteon
- Cmarrow
- Dtrabeculae
27The Haversian (central) canal contains:
- Amarrow
- Bblood vessels
- Cnerve fibers
- DB and C
28Which of these bones forms via intramembranous ossification?
- Ahumerus
- Bskull
- Cfemur
- Dpatella
29Bone cells that are responsible for secreting bone matrix are called:
- Aosteoclasts
- Bosteoblasts
- Costeocytes
- Dchondroblasts
30The disease in which osteoclast activity outweighs osteoblast activity is:
- AOsteomalacia
- BOsteoporosis
- CPaget's
- DRickett's
31Which hormone is responsible for normal bone growth and development?
- Agrowth hormone
- Btestosterone and estrogen
- Cinsulin
- DA and B
32Yellow marrow stores:
- Afat
- Bred blood cells
- Cplatelets
- Dwhite blood cells
33Where is red marrow primarily found?
- Amedullary cavity
- Bspongy bone
- Ccompact bone
- Depiphyseal plate
34The striations of skeletal muscle form a repeating pattern of units called:
- Asarcomeres
- Bmyofibrils
- Ctendons
- Dosteons
35Thick filaments are made of the protein:
- Atroponin
- Btropomyosin
- Cactin
- Dmyosin
36What is a cross bridge?
- Awhen a nerve impulse travels to a muscle fiber to cause contraction
- Bwhen a myosin head binds to an actin filament
- Cwhen a neurotransmitter is release in the synaptic cleft
- Dnone of these
37Which protein in a muscle cells stores oxygen?
- Aactin
- Bmyosin
- Chemoglobin
- Dmyoglobin
38Which ion is needed for muscle contraction to occur?
- Asodium
- Bcalcium
- Cchloride
- Dpotassium
39What does the sliding filament theory say?
- Athick and thin filaments do not really change in length
- Bthe thin filaments slide over the thick filaments
- Cthe thick filaments slide over the thin filaments
- DA and B
40Which neurotransmitter is responsible for muscle contraction?
- Aadensosine
- Bserotonin
- CGABA
- Dacetylcholine
41An Olympic sprinter will have more:
- Afast twitch fibers
- Bslow twitch fibers
42When a muscle fiber cannot relax, ______________ occurs.
- Asummation
- Btwitch
- Ctetanus
- Dnone of these
43Which of these statements about smooth muscle contraction is false:
- ASmooth muscle is slower to contract and relax than skeletal muscle.
- BSmooth muscle can maintain a forceful contraction longer
- CSmooth muscle fibers can change length without changing tautness
- DSmooth muscle fibers are striated
44Intercalated discs are unique to:
- Asmooth muscle
- Bskeletal muscle
- Ccardiac muscle
45_______________ of a muscle decreases an angle, while ______________ increase an angle.
- Arotation, extension
- Badduction, flexion
- Cflexion, extension
- Dextension, flexion
46ATP is needed for:
- Acontraction
- Brelaxation
- Cboth
47Which of these muscles is not responsible for facial expression?
- ADeltoid
- BBuccinator
- COrbicularis oris
- DEpicranius
48Which of these muscles is not responsible for moving the arm?
- ATeres major
- BPectoralis major
- CDeltoid
- DGastrocnemius
49Which of these muscles is not responsible for moving the forearms?
- ATriceps brachii
- BBrachialis
- CSoleus
- DBiceps brachii
50Which of these muscles is not in the lower leg?
- AGastrocnemius
- BSoleus
- CTibialis anterior
- DGluteus maximux
51Order the following structures from smallest to largest:
- Amolecules---atoms----organelle----cell---tissue
- Batoms---molecules---organelle---cell---tissue
- Ctissue---cell---organelle---molecules---atoms
- Dcell-organelle---molecules---atoms
52Which of these is not a requirement of an organism?
- Awater
- Bfood
- Coxygen
- Dpressure
- Ethese are all requirements
53An example of negative feedback is:
- Aa high body temperature provokes shivering to warm up
- Boxytocin induces uterine contractions
- Ca high body temperature provokes sweating to cool off
- Dplatelets provoke further bloodclotting
54The parietal and visceral pleura is found around the:
- AHeart
- BDigestive organs
- CLungs
- DReproductive organs
55Which of these organs is not found in the thoracic cavity?
- Aheart
- Blung
- Cstomach
- Dbladder
- EC and D
56A frontal (coronal) plane divides the body into:
- Asuperior and inferior parts
- Bright and left parts
- Canterior and posterior parts
- Doblique parts
57The brain, spinal cord, and nerves make up the:
- Anervous system
- Bcardiovascular system
- Curinary system
- Drespiratory system
58The sternum is __________ to the arms.
- Ainferior
- Blateral
- Cmedial
- Dsuperior
59The ankle is _______ to the knee.
- Aproximal
- Bposterior
- Cdistal
- Dlateral
60Patellar is a regional term referring to the:
- Aback
- Belbow
- Cknee
- Dear
61******* Oxygen has 8 protons and 8 neutrons********
What is oxygen's atomic number?- A2
- B4
- C16
- D8
62******** Oxygen has 8 protons and 8 neutrons ********
What is oxygen's atomic weight?- A4
- B2
- C8
- D16
63******** Oxygen has 8 protons and 8 neutrons ********
How many electrons does oxygen have?- A8
- B16
- C4
- D2
64An atom that has the same number or protons but different number of neutrons is call a(n):
- Aion
- Bcation
- Canion
- Disotope
65A(n) ______________ bond is formed when electrons are transferred between atoms, resulting in one atom that lost an electron and one atom that gained an electron.
- Ahydrogen
- Bionic
- Ccovalent
- Dpolar covalent
66The chemical bond between atoms that equally share electrons is called a ___________ bond.
- Ahydrogen
- Bpolar covalent
- Ccovalent
- Dionic
67In sodium chloride, Na+ Cl-, the anion is ________ and the cation is ________.
- Asodium, chloride
- Bchloride, sodium
68Which of these is an example of a synthesis reaction?
- Aamino acids joining to make a protein
- Bglucose molecules joining together to make glycogen
- Cglycogen breaking down to form glucose molecules
- DA and B
69Which of these describes a catabolic reaction?
- AA + B ---> AB
- BAB + CD ---> AC + BD
- CAB ----> A + B
- DNone of these
70Which of these is a strong acid?
- ANaOH
- BWater
- CHCl
- Dammonium
71Which of these is not a lipid?
- Asteroids
- Bfats
- Cfructose
- Dtriglyceride
72The building blocks of a carbohydrate are:
- Aamino acids
- Bpolysaccharides
- Cmonosaccharides
- Ddisasscharides
73What makes each amino acid unique?
- Athe amino group
- BThe R group (aka functional group)
- Cthe acid group
- Dnone of these
74If the 3D structure of an amino acid is denatured, what happens?
- Athe protein loses its shape and may not work
- Bchemical reactions occur faster
- Cspecial properties of that protein are lost
- DA and C
75The building blocks of nucleic acids are:
- Amonosaccharides
- Bphosphate
- Cnucleotides
- Damino acids
76A double helix, a sugar phosphate backbone, and a nitrogenous base are all characteristics of:
- Aprotein
- BDNA
- CRNA
- Dlipids
77A reaction joining monomers to create a polymer requires:
- Ahydrolysis
- Bdehydration
78A reaction breaking down a polymer to monomers requires:
- Adehydration
- Bhydrolysis
79What is the plasma membrane of a cell made of (that causes selective permeability)?
- Aamino acids
- Bnucleic acids
- Cphospholipids
- Dsugars
80What is the function of a ribosome?
- Ahelps with cell division (mitosis)
- Bsite of protein synthesis
- Cpackages and sorts vesicles
- Dmakes ATP
81What is the function of the mitochondria?
- Asite of protein synthesis
- Bhelps with cell division (mitosis)
- Cmakes ATP
- Dpackages and sorts vesicles
82What is the function of a lysosome?
- Apackages and sorts vesicles
- Bcontains digestive enzymes to get rid of old cellular parts
- Cbreaks down toxic substances in cells into H202 and water
- Dsite of protein synthesis
83Which of these is not part of the cytoskeleton?
- Anuclear envelope
- Bmicrofilament
- Cmicrotubule
- Dintermediate filament
84Which motile cell structure in our respiratory tract helps get rid of mucus?
- Aflagella
- Bmicrovilli
- Ccilia
- Dcentriole
85What is a chromatin?
- AUncondensed DNA and proteins
- Buncondensed RNA and proteins
- Clipids
- Dproteins
86What is diffusion?
- Athe tendency of a substance to move from an area of low concentration to an area of high concentration
- Bthe tendency of a substance to move from an area of high concentration to an area of low concentration
- Cthe movement of water across a selectively permeable membrane into a compartment containing solute that cannot cross the same membrane
- Dnone of these
87Which of these substances moves into the cell via facilitated diffusion?
- Aoxygen
- Bcarbon dioxide
- Cglucose
- Dlipid soluble substances
88Solutions that have a higher osmotic pressure than body fluids (aka cells will shrink) are called:
- Ahypertonic
- Bhypotonic
- Cisotonic
- Dnone of these
89______________ transport is when a substance moves from a low concentration to a high concentration (aka running up a hill), and requires___________.
- Apassive, ATP
- Bactive, ATP
- Cfacilitated diffusion, ADP
- Dactive, glucose
90In which phase of the cell cycle do chromosomes line up in preparation to move to opposite poles?
- Aprophase
- Bmetaphase
- Canaphase
- Dtelophase
91In which phase of the cell cycle does the chromatin condense into chromosomes and the centrioles move to opposite ends of the cell?
- Aprophase
- Bmetaphase
- Canaphase
- Dtelophase
92________ is division of the nucleus, and __________ is division of the cytoplasm.
- Acytokinesis, mitosis
- Bmitosis, cytokinesis
- Cmeiosis, mitosis
- Dmitosis, meiosis
93Which of these cells undergoes apoptosis regularly?
- Acardiac cell
- Bskeletal cell
- Cuterine lining cell
- Dnerve cell
94An anabolic reaction is synonymous with a ______________ reaction.
- Adecomposition
- Bsynthetic
- Cdisplacement
- Doxidation reduction
95How do catalysts work?
- Aby producing more heat
- Bby increasing the number of substrate molecules
- Cby decreasing the activation energy
- Dby adding water
96ATP ----> ADP + P
Which reaction occurred above?- Asynthesis
- Bdecomposition
- Cdisplacement
- Doxidation reduction
97Where is the potential energy in ATP stored?
- Ain the phosphate bonds
- Bin the adenosine
98What is an enzyme?
- Aa lipid
- Ba biological catalyst
- Ca protein
- DB and C
99If a cell needs droplets of liquid from the extracellular environment, which process occurs?
- Aphagocytosis
- Breceprot mediated endocytosis
- Cpinocytosis
- Dexocytosis
Información
- Descripción
- Final Prep from quiz 1 and 2
- Autor
- Kegen Sullivan
- Idioma
- English
- Visitas
- 69
- Etiquetas
- Valoración
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