Question 1
1. The intercellular passage of ions from the luminal surface of the intestines to the lamina
propria is prevented by the presence of ...
A) Desmosomes
B) Belt desmosomes
C) Hemidesmosomes
D) Gap junctions
E) Tight Junctions/Zonulae Occludens
CORRECT ANSWER
E) Tight Junctions/Zonulae Occludens
Question 2
Emphysema is characterized by overdistention & destruction of which of the following
structures?
A) Trachea
B) Bronchi
C) Bronchioles
D) Terminal bronchioles
E) Alveolar ducts
CORRECT ANSWER
E) Alveolar ducts
1
,Question 3
A diurnally secreted biogenic amine synthesized in pinealocytes is?
A) Dopamine
B) Epinephrine
C) norepinephrine
D) Melatonin
E) serotonin
CORRECT ANSWER
D) Melatonin
Question 4
A protein being translated on a cytoplasmic ribosome is directed to the endoplasmic
reticulum because
A) Dolichol recognizes hydrophobic amino acids in the primary structure of the protein b) A
hydrophobic signal sequence is encoded into the protein at its amino terminus
C) The protein contains a consensus sequence for glycosylation
D) The protein is recognized by a specific oligosaccharide receptor found only in the
endoplasmic reticulum
CORRECT ANSWER
B) A hydrophobic signal sequence is encoded into the protein at its amino terminus
Question 5
In the renal cortex, the labyrinth of capillaries that carry resorbed glucose out of the
kidney arises directly from?
A) Afferent arterioles
B) Arcuate arteries
2
,C) Capsular plexus
D) Efferent arterioles
E) Intralobular arteries
CORRECT ANSWER
D) Efferent arterioles
Question 6
The proliferation of uterine endometrium depends on?
A) Cortisol
B) Estrogen
C) Luteinizing hormone
D) Progesterone
E) Prolactin
CORRECT ANSWER
B) Estrogen
Question 7
Which of the following cell types are found exclusively in the basal compartment of
seminiferous tubules?
A) Primary spermatocytes
B) Secondary spermatocytes
C) Spermatids
D) Spermatogonia
E) Spermatozoa
CORRECT ANSWER
D) Spermatogonia
3
, Question 8
A suitable marker for determining that cells have differentiated into epidermal epithelial
tissue is expression of? A) Desmin
B) Keratin
C) Vimentin
D) Histone H variant
CORRECT ANSWER
B) Keratin
Question 9
A patient ingests an overdose of barbiturates. Which of the following will show greatest
increase in hepatocytes 2 days later?
A) Centrioles
B) Glycogen
C) Golgi cisternae
D) Lysosomes
E) Smooth endoplasmic reticulum
CORRECT ANSWER
E) Smooth endoplasmic reticulum
Question 10
During the final stage of secretory glycoprotein formation, before exocytosis, glycoproteins
are found in the?
A) Cisternae of rough endoplasmic reticulum
4
1. The intercellular passage of ions from the luminal surface of the intestines to the lamina
propria is prevented by the presence of ...
A) Desmosomes
B) Belt desmosomes
C) Hemidesmosomes
D) Gap junctions
E) Tight Junctions/Zonulae Occludens
CORRECT ANSWER
E) Tight Junctions/Zonulae Occludens
Question 2
Emphysema is characterized by overdistention & destruction of which of the following
structures?
A) Trachea
B) Bronchi
C) Bronchioles
D) Terminal bronchioles
E) Alveolar ducts
CORRECT ANSWER
E) Alveolar ducts
1
,Question 3
A diurnally secreted biogenic amine synthesized in pinealocytes is?
A) Dopamine
B) Epinephrine
C) norepinephrine
D) Melatonin
E) serotonin
CORRECT ANSWER
D) Melatonin
Question 4
A protein being translated on a cytoplasmic ribosome is directed to the endoplasmic
reticulum because
A) Dolichol recognizes hydrophobic amino acids in the primary structure of the protein b) A
hydrophobic signal sequence is encoded into the protein at its amino terminus
C) The protein contains a consensus sequence for glycosylation
D) The protein is recognized by a specific oligosaccharide receptor found only in the
endoplasmic reticulum
CORRECT ANSWER
B) A hydrophobic signal sequence is encoded into the protein at its amino terminus
Question 5
In the renal cortex, the labyrinth of capillaries that carry resorbed glucose out of the
kidney arises directly from?
A) Afferent arterioles
B) Arcuate arteries
2
,C) Capsular plexus
D) Efferent arterioles
E) Intralobular arteries
CORRECT ANSWER
D) Efferent arterioles
Question 6
The proliferation of uterine endometrium depends on?
A) Cortisol
B) Estrogen
C) Luteinizing hormone
D) Progesterone
E) Prolactin
CORRECT ANSWER
B) Estrogen
Question 7
Which of the following cell types are found exclusively in the basal compartment of
seminiferous tubules?
A) Primary spermatocytes
B) Secondary spermatocytes
C) Spermatids
D) Spermatogonia
E) Spermatozoa
CORRECT ANSWER
D) Spermatogonia
3
, Question 8
A suitable marker for determining that cells have differentiated into epidermal epithelial
tissue is expression of? A) Desmin
B) Keratin
C) Vimentin
D) Histone H variant
CORRECT ANSWER
B) Keratin
Question 9
A patient ingests an overdose of barbiturates. Which of the following will show greatest
increase in hepatocytes 2 days later?
A) Centrioles
B) Glycogen
C) Golgi cisternae
D) Lysosomes
E) Smooth endoplasmic reticulum
CORRECT ANSWER
E) Smooth endoplasmic reticulum
Question 10
During the final stage of secretory glycoprotein formation, before exocytosis, glycoproteins
are found in the?
A) Cisternae of rough endoplasmic reticulum
4