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HISTOLOGY - 1st Year 1st Sem Comprehensive Exam > Prelim Examination (2019) > Flashcards

Prelim Examination (2019) Flashcards

1
Q

Nucleosome is composed of:

A. Long uncoiled strand of DNA
B. 6 histones folding on each other
C. Two chromosomes tightly bound together
D. 2 loops of DNA around histones

A

D. 2 loops of DNA around histones

Nucleosome is COILED, has 8 HISTONES

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2
Q

Choose which among these is a function of epithelial cells

A. Metabolism
B. Immune cells
C. Absorption
D. Distribution

A

C. Absorption

Immune and distribution are by blood, a special CONNECTIVE tissue while metabolism is for owel

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3
Q

Where does Krebs cycle takes place?

A. Matrix
B. Intermembrane space
C. Cytosol
D. Outer membrane

A

A. Matrix

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4
Q

Use to locate intracellular site of peroxidase

A. Enzyme histochemistry
B. Immunohistochemistry
C. PAS technique
D. NOTA

A

A. Enzyme histochemistry

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5
Q

What removes water from cells and tissues?

A

Dehydration

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6
Q

Which of the following is unicellular exocrine gland

A

Goblet Cell

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7
Q

Keratinized stratified squamous epithelium is
adapted for:

A. Absorption
B. Secretion
C. Protection
D. Excretion

A

C. Protection

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8
Q

What is color of the conglomerate of oxidized
lipids, phospholipids and organic molecules
under H&E stain?

A

Brownish-gold

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9
Q

Which of the ff commonly possess cilia that
move dust and mucus out of the airways of
the respiratory tract?

A. Pseudostratified columnar
B. Stratified squamous
C. Transitional
D. Simple cuboidal
E. Simple squamous
A

A. Pseudostratified columnar

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10
Q

This organelle is described as a “prelysosome”
for the influx of hydrogen into it causes it to
mature in the lysosome

A. Centrosome
B. Late Endosome
C. Multivesicular bodies
D. Perixosomes

A

B. Late Endosome

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11
Q

How many chromosomes are there in a
somatic cell?

A. 46
B. 23
C. 92
D. 100

A

A. 46

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12
Q

What type of epithelium has a dome shape on
its apical membrane?

A. Transitional
B. Pseudostratified
C. Epithiloid
D. Mesothelium

A

A. Transitional

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13
Q

The component of cell membrane that
contains hydrophilic heads and hydrophobic
tails.

A

Phospholipid

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14
Q

What is the pointed structure?

A

Centromere

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15
Q

Which of the following statements is true for
the structure above (RER)?

A. It is continuous with outer nuclear
membrane
B. It has cristae to maximize surface area for
energy production
C. It modifies proteins
D. It has 9 triplets of microtubules
A

A. It is continuous with outer nuclear

membrane

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16
Q

Protein (adhesion & recognition)

A

Carbohydrates

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17
Q

Demonstrate lipofuscin

A.Human blood vessel
B. Human skin
C. Neuron
D. Smooth muscle

A

C. Neuron

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18
Q

Which feature is characterized with a mainly
protective role in the body?

A. Mucus
B. Multiple microvilli
C. Stratified

A

C. Stratified

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19
Q

Commonly used to locate lipids?

A

Sudan Stain

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20
Q

Simple squamous epithelium that lines

abdominal cavity:

A

Mesothelium

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21
Q

Stain for nuclei

A

Hematoxylin

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22
Q

mitosis except

A

Haploid

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23
Q

True of frozen section except

A. Uses carbon monoxide to make cells solid
B. Commonly uses h&e
C. Used for specimen adequacy
D. Sectioned in a microtome inside a cryostat
E. None of these

A

A. Uses carbon monoxide to make cells solid

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24
Q

Unicellular gland

A. Basket cell
B. Sertoli cell
C. goblet cell

A

C. goblet cell

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25
Q

Nuclear membrane starts to disintegrate with

further condensation of chromosomes

A

Prophase

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26
Q

In what stage of the interphase, checking of

damages of the DNA, and unreplicated DNA?

A

G2

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27
Q

Stains to exhibit lipids

A. Enzyme histochemistry
B. Immunohistochemistry
C. Pas technique
D. H&E
E. None of the above
A

E. None of the above

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28
Q

Abundance of cholesterol in lipid rafts function

to:

A

*BASA NALANG SA BOOK

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29
Q

Type of epithelium that lines the uterine tube

aiding movement of ova through them

A

Simple columnar ciliated

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30
Q

Duplication of Centrioles and synthesis of Prophase

mitotic spindles.

A

Prophase

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31
Q

What is shown in the figure above? (Nasa

gitna Ang chromosomes)

A

Metaphase

32
Q

Males have the following chromosomes

A

22 autosome XY

33
Q

The intracellular connection of the outermost
portion of two cell membranes that are tightly
connected

A.intermediate junction
B. Desmosomes
C. Tight junction
D. Gap junction
E. None of the choices
A

C. Tight junction

34
Q

Most commonly use to locate glycogen

A. Enzymecytochemisty
B. Immunohistochemistry
C. Hematoxylin
D. Fuelgen
E. Pas
A

E. Pas

35
Q

More specific technique

A. Direct immunohistochemistry
B. Indirect immunohistochemistry
E. Enzyme immunohistochemistry

A

NO ANSWER

36
Q

Stains carbohydrates

A. PAS
B. H&E

A

A. PAS

37
Q

Exhibits metachromasia, EXCEPT

A. Cartilage
B. Heparin-containing mas cells
C. Rer of plasma cells
D. Endothelium of bowman’s capsule

A

D. Endothelium of bowman’s capsule

38
Q

Heat shock proteins

A

Chaperone mediated autophagy

39
Q

Which is metaboliclly active and stores
nutrients:

A. Prophase
B. Metaphase
C. Telophase
D. Anaphase
E. Interphase
A

E. Interphase

40
Q

An organelle that partially depends on nucleus
because it has its own DNA and RNA.

A. Golgi Apparatus
B. Lysosome
C. Ribosome
D. Rough ER
E. Mitochondria
A

E. Mitochondria

41
Q

function of telomere

A

protect chromosome during cell division

42
Q

The cell has been collecting abnormal cells
and has the potential on becoming a cancer
cell. Something something.. which will initiate
its death by apoptosis.

A. P
B. Nucleus
C. Mitochondria
D. Lysosome
E. Smooth ER
A

C. Mitochondria

43
Q

Gathers light that passes thru the specimen

A

Condenser

44
Q

Sebum

A

Holocrine

45
Q

Which among the following structure is NOT
found on the apical surface of simple
epithelium

A. Microvilli
B. Stereocilia
C. Cilia
D. Desmosomes

A

D. Desmosomes

46
Q

which of the following is true about merocrine

secretion

A

-destruction is through programmed cell death
-membrane bound vesicles bind to membrane
-secretory products accumulate in the mature
cells
-secretory products go to the apical portion

47
Q

Where does mRNA translation occur?

A. Mitochondria
B. Ribosomes
C. Lysosome
D. Inside the nucleus
E. Centrosome
A

B. Ribosomes

48
Q

Which of the following describes the secretory
mechanism by which sebum is produced?

A. Eccrine
B. Holocrine
C. Apocrine
D. Cytocrine

A

B. Holocrine

49
Q

Paraffin

A

Embedding

50
Q

Microscope to visualize whole tissue/organ:

A

light microscope

51
Q

Greatest resolution

A. Electronic microscopy
B. Light
C. Both
D. Neither

A

A. Electronic microscopy

52
Q

Which of the ff events does NOT occur in G1
phase of cell cycle?

A. Organelles are replicated in the cytoplasm
B. Checking for any unreplicated DNA
C. Cell is metabolically active
D. Cell is doing its expected function

A

B. Checking for any unreplicated DNA

53
Q

The border that separates your epithelial cells

from the connective tissue?

A

Basal lamina

54
Q

Dead skin sheds off because of what adhering

junction.

A

Desmosome

55
Q

Freeze fracture

A

Integral proteins

56
Q

What structure functions to connect two sister
chromatids of a condensed chromosome?

A. Centromere
B. Kinetochore
C. Dynamin
D. Telomere

A

A. Centromere

57
Q

Nissl bodies

A

Responsible for dark staining of neurons

58
Q

1 nanometer

A

None of the above. 1000 picometer

59
Q

Which type of epithelium allows expansion

A

Transitional

60
Q

Checkpoint: Cell will evaluate its replicative
property and availability of nutrients and
growth factor

A. G2 DNA damage checkpoint
B. G1 DNA damage checkpoint
C. Unreplicated DNA checkpoint
D. Restriction point

A

D. Restriction point

61
Q

Which of the following organelles DOES NOT
have their own membrane:

a. Ribosomes
b. Peroxisomes
c. Lysosomes
d. Endosomes

A

a. Ribosomes

62
Q

Lining in walls of capillaries and alveolar sacs:

A

simple squamous

63
Q

Barr body

A

Heterochromatin X

64
Q

What is the cell make-up of the gallbladder?

A

Simple columnar

65
Q

Integral protein which transports molecules
from high to low concentrations, and involves
change in shape.

A. Channel
B. Carrier
C. Pump
D. Peripheral 
E. Carbohydrate
A

B. Carrier

66
Q

Basophilia except

A. Ergastoplasm
B. Nucleoi
C. Extracellular fibers
D. Heterochromatin
E.None of the above
A

C. Extracellular fibers

67
Q

What could possibly develop as a result from

poliomyelitis?

A

scoliosis

68
Q

Chromosome are forms of DNA in a cell that is
actively transcribing DNA to synthesize
proteins

A

False

69
Q

Which test is best performed to locate

carbohydrates in the tissue?

A

PAS stain/test

70
Q

Characteristic of epithelium?

A

Regenerate rapidly?

71
Q

What type of tissue forms walls of capillaries

and air sacs of lungs?

A

Simple Squamous

72
Q

Treatment with ascending concentration of

alcohol

A

Dehydration

73
Q

What lining epithelium covers the mouth,

esophagus and vagina?

A

Stratified Squamous epithelium

74
Q

Exhibits basophilia except:

A. Ergastoplasm
B. Extracellular fibers
C. Heterochromatin
D. None of the above

A

B. Extracellular fibers

75
Q

Which of the following is incorrect regarding
the functions of Fixation:

a. preserves structural details
b. it disinfects
c. it prevents autolysis
d. it does not affect enzymatic activity
e. none of the choices

A

d. it does not affect enzymatic activity

76
Q

Drug and alcohol metabolism

A

SER

HISTOLOGY - 1st Year 1st Sem Comprehensive Exam (22 decks)

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