Sole C
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Medical Subjects Cytology, Histology and Embryology Quiz on CHE - Cytology, created by Sole C on 07/04/2015.

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CHE - Cytology

Question 1 of 45

1

Receptor mediated endocytosis is the process of accepting substances, after recognizing them and linking them to their specific membrane receptors.

Select one of the following:

  • True
  • False

Explanation

Question 2 of 45

1

The clathrin protein participates in the coated vesicles.

Select one of the following:

  • True
  • False

Explanation

Question 3 of 45

1

Exocytosis is the process of releasing secretory granules through the cell membrane.

Select one of the following:

  • True
  • False

Explanation

Question 4 of 45

1

Glycocalix is a glycoprotein coat located on top of the plasmalemma and attached to it.

Select one of the following:

  • True
  • False

Explanation

Question 5 of 45

1

Cytoplasmic inclusions are obligatory (general) cell organelles.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 45

1

Cell matrix (cyotsol) is a light microscopy concept designated to the part of the cytoplasma that is not occupied by any structures.

Select one of the following:

  • True
  • False

Explanation

Question 7 of 45

1

Mitochondria observed under light microscope appear as tender granules or filaments.

Select one of the following:

  • True
  • False

Explanation

Question 8 of 45

1

Nissl bodies (substance) are a light microscope image of the rough (granular) endoplasmic reticulum.

Select one of the following:

  • True
  • False

Explanation

Question 9 of 45

1

Each cilia is built of microtubules following the 9x3+0 formula.

Select one of the following:

  • True
  • False

Explanation

Question 10 of 45

1

The coated vesicles participates in the intracellular transport processes.

Select one of the following:

  • True
  • False

Explanation

Question 11 of 45

1

Cell (plasma) membrane consists of:

Select one of the following:

  • Lipid bilayer and integral proteins

  • Lipid bilayer, integral proteins, polysaccharides

  • Lipid bilayer and protein bilayer

  • Lipid monolayer and integral proteins

Explanation

Question 12 of 45

1

The pinocytosis is:

Select one of the following:

  • Uptake by the cells of fluid material

  • Extrusion of material to the exterior

  • Transport of molecules through the plasmalemma with structural changes in it.

  • Transport of molecules through the plasmalemma using enzymes.

Explanation

Question 13 of 45

1

By which of the following contacts the intercellular space disappears:

Select one of the following:

  • "Zipper" interlocking (interdigitations)

  • Tight junction (Zonula Occludens)

  • Desmosome (Macula adherens)

  • Gap Junction (nexus)

Explanation

Question 14 of 45

1

The conexones are structural components of:

Select one of the following:

  • "Zipper" interlocking (interdigitations)

  • Tight junction (zonula occludens)

  • Desmosome (macula adherens)

  • Gap junction (nexus)

Explanation

Question 15 of 45

1

Golgi apparatus is stained with:

Select one of the following:

  • Iron-hematoxylin

  • Feulgen reaction

  • Silver nitrate (AgNO3)

  • Hematoxylin-eosin

Explanation

Question 16 of 45

1

Formation of new mitochondria is associated with:

Select one of the following:

  • Modification of Golgi apparatus cisternae

  • Their own budding or simple division

  • Modification of rough-surfaced (granular) endoplasmic reticulum

  • Fusion of lysosomes

Explanation

Question 17 of 45

1

Which of the following processes is concerned with the rough-surfaced (granular) endoplasmic reticulum:

Select one of the following:

  • Protein synthesis

  • Glycogen formation

  • Lipid synthesis

  • Carbohydrate metabolism

Explanation

Question 18 of 45

1

The coated vesicles participate in:

Select one of the following:

  • Intracellular digestion

  • Lipid synthesis

  • Intracellular transport processes

  • Protein synthesis

Explanation

Question 19 of 45

1

The lysosomes consists of:

Select one of the following:

  • Single membrane and phosphorylating enzymes

  • Single membrane and hydrolytic enzymes

  • Double infolded membrane

  • Microtubules

Explanation

Question 20 of 45

1

The microtubules are components of:

Select one of the following:

  • Nucleus

  • Cytoskeleton

  • Cell (plasma) membrane

  • Nuclear envelope

Explanation

Question 21 of 45

1

The sex chromatin (Barr Body) is seen in:

Select one of the following:

  • Male somatic cells

  • Female somatic cells

  • Male germ cells

  • Female germ cells

Explanation

Question 22 of 45

1

Feulgen reaction (technique) is used for visualization of:

Select one of the following:

  • RNA

  • DNA

  • Proteins

  • Polysaccharides

Explanation

Question 23 of 45

1

The histone proteins (histones) take part in:

Select one of the following:

  • Formation of DNA molecule

  • Formation of the karyoplasm

  • Formation of the nuclear pores

  • Formation of the ribesomes

Explanation

Question 24 of 45

1

The interphase nucleus of young, functional activity cells is:

Select one of the following:

  • Pyknotic

  • Large, pale stained with prominent nucleolus

  • With extremely dense heterochromatin

  • Fragmented

Explanation

Question 25 of 45

1

At metaphase the chromosomes:

Select one of the following:

  • Move to the center of the cell in relation to the spindle fibers

  • Move to the opposite poles of the cell

  • Are free dispersed in the cell

  • Are attached to inner surface of nuclear envelope

Explanation

Question 26 of 45

1

Mitotic spindle fibers consists of:

Select one of the following:

  • Microtubules

  • Microfilaments

  • Myofilaments

  • Neurofibrils

Explanation

Question 27 of 45

1

The lipids are visualized using:

Select one of the following:

  • Iron hematoxylin

  • Sudan III

  • PAS reaction

  • Hematoxylin - Eosin

Explanation

Question 28 of 45

1

The karyorexis is:

Select one of the following:

  • Fragmentation of the nucleus

  • Melting of the nucleus

  • Disappearance of the nucleolus

  • Extrusion of the nucleus

Explanation

Question 29 of 45

1

The apocrine secretion is associated with:

Select one of the following:

  • Loss of the apical portion of the cell cytoplasm

  • The entire cell is secreted

  • Without the loss of any cell cytoplasm

  • Loss of the basal portion of the cell cytoplasm

Explanation

Question 30 of 45

1

The apoptosis is:

Select one of the following:

  • Programmed cell death

  • Cell death under pathological conditions

  • Cell differentiation

  • Cell division

Explanation

Question 31 of 45

1

The integral protein of the plasma membrane interact with:

Select one or more of the following:

  • Peripheral proteins

  • Components of the cytoskeleton

  • Lysosomes

  • Nucleolus

  • Endoplasmic reticulum

Explanation

Question 32 of 45

1

The glycocalix:

Select one or more of the following:

  • Is polysaccharide layer

  • Takes part in the cell adhesion

  • Takes part in the cell cooperation

  • Contains protein and ion channels

  • Takes part in the ATP synthesis

Explanation

Question 33 of 45

1

The types of adherent junctions are:

Select one or more of the following:

  • Desmosomes (macula adherens)

  • Hemi-desmosome

  • Nexus

  • Zonula adherens

  • "Zipper" interlocking (interdigitations)

Explanation

Question 34 of 45

1

The nexus is:

Select one or more of the following:

  • Built of connexones

  • Cell organelle

  • Occluding junction (tight junction)

  • Consisting of protein channels for transport of small molecules and ions between the cells

  • Enzyme

Explanation

Question 35 of 45

1

The basophilia of the cell cytoplasm is due to:

Select one or more of the following:

  • Presence of abundant smooth-surfaced endoplasmic reticulum

  • Presence of abundant rough-surfaced endoplasmic reticulum

  • Numerous mitochondria

  • Numerous ribosomes

  • Presence of abundant lipid droplets

Explanation

Question 36 of 45

1

The nuclear pores:

Select one or more of the following:

  • Are localized to the inner nuclear membrane

  • Consist of three rings each containing 8 protein granules

  • Are closed by a thin, fibrous unilaminar diaphragm

  • Are built of connexones

  • Are localized to the outer nuclear membrane

Explanation

Question 37 of 45

1

The nucleolus is:

Select one or more of the following:

  • General cell organelle

  • Built of parts of the chromosones N.13, 14, 15, 21, 22

  • Place where the ribesomes are fromed

  • Component of the nucleus

  • Bounded by a membrane

Explanation

Question 38 of 45

1

The main functions of the smooth-surfaced endoplasmic reticulum are:

Select one or more of the following:

  • Formation of the secretory granules

  • Add carbohydrates to the proteins (formation of glycoproteins)

  • Synthesis of lipids and steroid hormones

  • Synthesis of glycogen and mucus

  • Intracellular transport

Explanation

Question 39 of 45

1

The term dyctiosome describes:

Select one or more of the following:

  • Component of Golgi complex

  • Component of centrioles

  • Flattened cisternae with outer forming and inner secreting surfaces

  • Releasing of secretory granules form the inner surface

  • Releasing of secretory granules form the outer surface

Explanation

Question 40 of 45

1

Which of the following features are specific for the mitochondria:

Select one or more of the following:

  • Posses own genetic apparatus

  • Formation of new mitochondria is trough their own budding or simple division

  • Take part in the ATP synthesis

  • Take part in the polysaccharides synthesis

  • Are component of the cytoskeleton

Explanation

Question 41 of 45

1

Which of the following features are common for the mitochondria and peroxysomes

Select one or more of the following:

  • Are bounded by double membrane

  • Contain matrix with numerous enzymes

  • Take part in the biosynthesis of fatty acids

  • Are general membrane cell organelles

  • Posses own genetic apparatus

Explanation

Question 42 of 45

1

Which of the following features are specific for the lysosomes

Select one or more of the following:

  • Take part in the steroid synthesis

  • Take part in the intracellular digestion

  • Contain hydrolytic enzymes

  • Are related to processes of cell aging and death

  • Contain phosphorylating

Explanation

Question 43 of 45

1

Which of the following features are specific for the peroxysomes:

Select one or more of the following:

  • Take part in the steroid synthesis

  • Take part in the intracellular digestion

  • Contain oxidative enzymes

  • Contain matrix with crystalloid

  • Contain phosphorylating enzymes

Explanation

Question 44 of 45

1

Which of the following features are specific for the microtubules

Select one or more of the following:

  • Sustain the cell shape

  • Are built from the protein actin

  • Take part in the intracellular transport of molecules and organelles

  • Ensure mobility of the microvilli

  • Participate in the formation of spindle fibers during mitosis

Explanation

Question 45 of 45

1

The mitochondria are visualized using:

Select one or more of the following:

  • Iron-hematoxylin

  • Methylene blue

  • Acid fucsin by Altmann's method

  • Hematoxylin-Eosin

  • Impregnation technique

Explanation

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