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Cytology PMU 1st Year

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Cytology PMU 1st Year
Med Student
Quiz by Med Student , updated more than 1 year ago More Less
Sole C
Created by Sole C over 9 years ago
Med Student
Copied by Med Student over 8 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
Golgi apparatus can be observed only by light microscope.
Answer
  • True
  • False

Question 12

Question
Euchromatin is the active form of the chromatin in the nucleus
Answer
  • True
  • False

Question 13

Question
Microtubules are elements of the cytoskeleton.
Answer
  • True
  • False

Question 14

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 15

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 16

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 17

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

Question 18

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

Question 19

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 20

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 21

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

Question 22

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

Question 23

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

Question 24

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

Question 25

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

Question 26

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 27

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

Question 28

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 29

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

Question 30

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

Question 31

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

Question 32

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 33

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

Question 34

Question
The fibers of the division spindle are:
Answer
  • Microtubules
  • Microfibrils
  • Neurofibrils
  • Neurotubules

Question 35

Question
The nucleolus is:
Answer
  • related to the formation of the subunits of the ribosomes
  • limited by a membrane
  • associated to the inner nuclear membrane
  • visible in the mitotic nucleus

Question 36

Question
The enzyme acid phosphate is characteristic for:
Answer
  • Mitochondria
  • Rough Endoplasmic Reticulum(rER)
  • Lysosomes
  • Ribosomes

Question 37

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

Question 38

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 39

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

Question 40

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 41

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 42

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 43

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 44

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 45

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 46

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 47

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

Question 48

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 49

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 50

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 51

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 52

Question
Typical for the nuclear membrane (envelope) is:
Answer
  • made of one layer (membrane)
  • double layered
  • continuous with rough endoplasmic reticulum (rER)
  • ribosomes on the inner layer (membrane)
  • nuclear pores

Question 53

Question
By light microscopic observation of section of spinal ganglion stained with AgNO3 (silver impregnation) a reticular network situated near the nucleus is visible. What is this organelle? Ans: [blank_start]Golgi Apparatus[blank_end]
Answer
  • Golgi Apparatus

Question 54

Question
Electron microscopy reveals a shallow bowl-like complex consisting of parallel arranged cisternae (flattened plates) with associated vesicles and vacuoles. What is this organelle? Ans: [blank_start]Golgi Complex[blank_end]
Answer
  • Golgi Complex

Question 55

Question
By electron microscopy, a pair of cylindrical structures localized at right angle to each other is observed. In transverse section, their wall is composed of nine sets of three peripherally placed microtubules. What is this organelle? Ans: [blank_start]Centrioles[blank_end]
Answer
  • Centrioles

Question 56

Question
Under light microscope, in the cytoplasm of cells stained with Sudan III- hematoxylin colored in orange droplets surrounding blue nuclei are seen. What is the name of the described structures? Ans: [blank_start]Lipid Inclusions[blank_end]
Answer
  • Lipid Inclusions

Question 57

Question
During the mitosis the chromosomes are localized in the opposite poles of the spindle fibers and form a specific figure. Which phase of mitosis is this and what is the name of the figure? Ans: [blank_start]Anaphase[blank_end]
Answer
  • Anaphase

Question 58

Question
With electron microscope cylindrical structures made of 9x2+2 microtubules can be seen. What is this organelle? Ans: [blank_start]Cilia[blank_end]
Answer
  • Cilia

Question 59

Question
With electron microscope an oval structure made of two membranes with cristae of the inner membrane can be seen What are these structure? Ans: [blank_start]Mitochondria[blank_end]
Answer
  • Mitochondria
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