Histo NBME EXAM QUESTIONS
|\ |\ |\ |\
WITH ANSWERS |\
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
|\ |\ |\
e) Tight Junctions/Zonulae Occludens
|\ |\ |\
Emphysema is characterized by overdistention &
|\ |\ |\ |\ |\ |\
destruction of which of the following structures?
|\ |\ |\ |\ |\ |\
a) Trachea
|\
b) Bronchi
|\
c) Bronchioles
|\
d) Terminal bronchioles
|\ |\
e) Alveolar ducts
|\ |\
e) Alveolar ducts
|\ |\
,A diurnally secreted biogenic amine synthesized in
|\ |\ |\ |\ |\ |\ |\
pinealocytes is? |\
a) Dopamine
|\
b) Epinephrine
|\
c) norepinephrine
|\
d) Melatonin
|\
e) serotonin
|\
d) Melatonin
|\
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
|\ |\ |\ |\ |\ |\
b) A hydrophobic signal sequence is encoded into the
|\ |\ |\ |\ |\ |\ |\ |\ |\
protein at its amino terminus
|\ |\ |\ |\
,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
|\ |\
c) Capsular plexus
|\ |\
d) Efferent arterioles
|\ |\
e) Intralobular arteries
|\ |\
d) Efferent arterioles
|\ |\
The proliferation of uterine endometrium depends on?
|\ |\ |\ |\ |\ |\
a) Cortisol
|\
b) Estrogen
|\
c) Luteinizing hormone
|\ |\
d) Progesterone
|\
e) Prolactin
|\
b) Estrogen
|\
, 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
|\
d) Spermatogonia
|\
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
|\ |\ |\
b) Keratin|\
A patient ingests an overdose of barbiturates. Which of
|\ |\ |\ |\ |\ |\ |\ |\ |\
the following will show greatest increase in hepatocytes 2
|\ |\ |\ |\ |\ |\ |\ |\
days later?
|\ |\
a) Centrioles
|\
|\ |\ |\ |\
WITH ANSWERS |\
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
|\ |\ |\
e) Tight Junctions/Zonulae Occludens
|\ |\ |\
Emphysema is characterized by overdistention &
|\ |\ |\ |\ |\ |\
destruction of which of the following structures?
|\ |\ |\ |\ |\ |\
a) Trachea
|\
b) Bronchi
|\
c) Bronchioles
|\
d) Terminal bronchioles
|\ |\
e) Alveolar ducts
|\ |\
e) Alveolar ducts
|\ |\
,A diurnally secreted biogenic amine synthesized in
|\ |\ |\ |\ |\ |\ |\
pinealocytes is? |\
a) Dopamine
|\
b) Epinephrine
|\
c) norepinephrine
|\
d) Melatonin
|\
e) serotonin
|\
d) Melatonin
|\
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
|\ |\ |\ |\ |\ |\
b) A hydrophobic signal sequence is encoded into the
|\ |\ |\ |\ |\ |\ |\ |\ |\
protein at its amino terminus
|\ |\ |\ |\
,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
|\ |\
c) Capsular plexus
|\ |\
d) Efferent arterioles
|\ |\
e) Intralobular arteries
|\ |\
d) Efferent arterioles
|\ |\
The proliferation of uterine endometrium depends on?
|\ |\ |\ |\ |\ |\
a) Cortisol
|\
b) Estrogen
|\
c) Luteinizing hormone
|\ |\
d) Progesterone
|\
e) Prolactin
|\
b) Estrogen
|\
, 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
|\
d) Spermatogonia
|\
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
|\ |\ |\
b) Keratin|\
A patient ingests an overdose of barbiturates. Which of
|\ |\ |\ |\ |\ |\ |\ |\ |\
the following will show greatest increase in hepatocytes 2
|\ |\ |\ |\ |\ |\ |\ |\
days later?
|\ |\
a) Centrioles
|\
