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CHE - Cytology

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Medical Subjects Cytology, Histology and Embryology Quiz on CHE - Cytology, created by Sole C on 07/04/2015.
Sole C
Quiz by Sole C, updated more than 1 year ago
Sole C
Created by Sole C about 9 years ago
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Resource summary

Question 1

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

Question 2

Question
The clathrin protein participates in the coated vesicles.
Answer
  • True
  • False

Question 3

Question
Exocytosis is the process of releasing secretory granules through the cell membrane.
Answer
  • True
  • False

Question 4

Question
Glycocalix is a glycoprotein coat located on top of the plasmalemma and attached to it.
Answer
  • True
  • False

Question 5

Question
Cytoplasmic inclusions are obligatory (general) cell organelles.
Answer
  • True
  • False

Question 6

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

Question 7

Question
Mitochondria observed under light microscope appear as tender granules or filaments.
Answer
  • True
  • False

Question 8

Question
Nissl bodies (substance) are a light microscope image of the rough (granular) endoplasmic reticulum.
Answer
  • True
  • False

Question 9

Question
Each cilia is built of microtubules following the 9x3+0 formula.
Answer
  • True
  • False

Question 10

Question
The coated vesicles participates in the intracellular transport processes.
Answer
  • True
  • False

Question 11

Question
Cell (plasma) membrane consists of:
Answer
  • Lipid bilayer and integral proteins
  • Lipid bilayer, integral proteins, polysaccharides
  • Lipid bilayer and protein bilayer
  • Lipid monolayer and integral proteins

Question 12

Question
The pinocytosis is:
Answer
  • 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.

Question 13

Question
By which of the following contacts the intercellular space disappears:
Answer
  • "Zipper" interlocking (interdigitations)
  • Tight junction (Zonula Occludens)
  • Desmosome (Macula adherens)
  • Gap Junction (nexus)

Question 14

Question
The conexones are structural components of:
Answer
  • "Zipper" interlocking (interdigitations)
  • Tight junction (zonula occludens)
  • Desmosome (macula adherens)
  • Gap junction (nexus)

Question 15

Question
Golgi apparatus is stained with:
Answer
  • Iron-hematoxylin
  • Feulgen reaction
  • Silver nitrate (AgNO3)
  • Hematoxylin-eosin

Question 16

Question
Formation of new mitochondria is associated with:
Answer
  • Modification of Golgi apparatus cisternae
  • Their own budding or simple division
  • Modification of rough-surfaced (granular) endoplasmic reticulum
  • Fusion of lysosomes

Question 17

Question
Which of the following processes is concerned with the rough-surfaced (granular) endoplasmic reticulum:
Answer
  • Protein synthesis
  • Glycogen formation
  • Lipid synthesis
  • Carbohydrate metabolism

Question 18

Question
The coated vesicles participate in:
Answer
  • Intracellular digestion
  • Lipid synthesis
  • Intracellular transport processes
  • Protein synthesis

Question 19

Question
The lysosomes consists of:
Answer
  • Single membrane and phosphorylating enzymes
  • Single membrane and hydrolytic enzymes
  • Double infolded membrane
  • Microtubules

Question 20

Question
The microtubules are components of:
Answer
  • Nucleus
  • Cytoskeleton
  • Cell (plasma) membrane
  • Nuclear envelope

Question 21

Question
The sex chromatin (Barr Body) is seen in:
Answer
  • Male somatic cells
  • Female somatic cells
  • Male germ cells
  • Female germ cells

Question 22

Question
Feulgen reaction (technique) is used for visualization of:
Answer
  • RNA
  • DNA
  • Proteins
  • Polysaccharides

Question 23

Question
The histone proteins (histones) take part in:
Answer
  • Formation of DNA molecule
  • Formation of the karyoplasm
  • Formation of the nuclear pores
  • Formation of the ribesomes

Question 24

Question
The interphase nucleus of young, functional activity cells is:
Answer
  • Pyknotic
  • Large, pale stained with prominent nucleolus
  • With extremely dense heterochromatin
  • Fragmented

Question 25

Question
At metaphase the chromosomes:
Answer
  • 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

Question 26

Question
Mitotic spindle fibers consists of:
Answer
  • Microtubules
  • Microfilaments
  • Myofilaments
  • Neurofibrils

Question 27

Question
The lipids are visualized using:
Answer
  • Iron hematoxylin
  • Sudan III
  • PAS reaction
  • Hematoxylin - Eosin

Question 28

Question
The karyorexis is:
Answer
  • Fragmentation of the nucleus
  • Melting of the nucleus
  • Disappearance of the nucleolus
  • Extrusion of the nucleus

Question 29

Question
The apocrine secretion is associated with:
Answer
  • 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

Question 30

Question
The apoptosis is:
Answer
  • Programmed cell death
  • Cell death under pathological conditions
  • Cell differentiation
  • Cell division

Question 31

Question
The integral protein of the plasma membrane interact with:
Answer
  • Peripheral proteins
  • Components of the cytoskeleton
  • Lysosomes
  • Nucleolus
  • Endoplasmic reticulum

Question 32

Question
The glycocalix:
Answer
  • 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

Question 33

Question
The types of adherent junctions are:
Answer
  • Desmosomes (macula adherens)
  • Hemi-desmosome
  • Nexus
  • Zonula adherens
  • "Zipper" interlocking (interdigitations)

Question 34

Question
The nexus is:
Answer
  • Built of connexones
  • Cell organelle
  • Occluding junction (tight junction)
  • Consisting of protein channels for transport of small molecules and ions between the cells
  • Enzyme

Question 35

Question
The basophilia of the cell cytoplasm is due to:
Answer
  • Presence of abundant smooth-surfaced endoplasmic reticulum
  • Presence of abundant rough-surfaced endoplasmic reticulum
  • Numerous mitochondria
  • Numerous ribosomes
  • Presence of abundant lipid droplets

Question 36

Question
The nuclear pores:
Answer
  • 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

Question 37

Question
The nucleolus is:
Answer
  • 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

Question 38

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

Question 39

Question
The term dyctiosome describes:
Answer
  • 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

Question 40

Question
Which of the following features are specific for the mitochondria:
Answer
  • 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

Question 41

Question
Which of the following features are common for the mitochondria and peroxysomes
Answer
  • 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

Question 42

Question
Which of the following features are specific for the lysosomes
Answer
  • 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

Question 43

Question
Which of the following features are specific for the peroxysomes:
Answer
  • Take part in the steroid synthesis
  • Take part in the intracellular digestion
  • Contain oxidative enzymes
  • Contain matrix with crystalloid
  • Contain phosphorylating enzymes

Question 44

Question
Which of the following features are specific for the microtubules
Answer
  • 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

Question 45

Question
The mitochondria are visualized using:
Answer
  • Iron-hematoxylin
  • Methylene blue
  • Acid fucsin by Altmann's method
  • Hematoxylin-Eosin
  • Impregnation technique
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