Intercellular passage of ions from the luminal Tight junctions/ Zonula occludens
surface of the intestines to the lamina propria is
prevented by the presence of ? Water is prevented from passing through the epithelial cells because of the zonula occludens.
They are sealants in between the surface of cells except in the sertoli cells.
Desmosomes
Belt desmosomes
Hemidesmosomes
Gap junctions
Tight junctions/zonula occludens
Histology NBME review, Histology NBME full questions
1/30
,9/30/24, 9:07 AM
A diurnally secreted biogenic amine synthesized melatonin
in pinealocytes is?
In the renal cortex, the labyrinth of the capillaries efferent arterioles
that carry resorbed glucose out of the kidney
arises directly from? The proximal convoluted tubules carry reabsorbed glucose out of the kidney and the glucose is
reabsorbed in the vasa recta which is connected directly from efferent arterioles
Afferent arterioles
Arcuate arteries
Capsular plexus
Efferent arterioles
Interlobular arteries
Which of the following cell types are found Spermatogonia
exclusively in the basal compartment of
seminiferous tubules? Sertoli cells, tight junctions, spermatogonia- only cells found in the basal compartment
Everything else is in the adluminal compartment
Primary spermatocytes
Secondary spermatocytes
spermatids
Spermatogonia
Spermatozoa
Histology NBME review, Histology NBME full questions
2/30
, 9/30/24, 9:07 AM
A suitable marker for determining that cells have Keratin
differentiated into epidermal epithelial tissue is
expression of? Intermediate filaments associated with your epithelial cells is always keratin
Desmin and vimentin are always associated with your muscle tissues
Desmin
Keratin
Vimentin
Histone H variant
A patient ingests an overdose of barbiturates, Smooth Endoplasmic Reticulum
which of the following will show the greatest
increase in hepatocytes 2 days later? SER is used in the detoxification of drugs
In hepatocytes both Rer and SER are abundant
Centrioles Protein synthesis, detoxification of drugs, cholesterol synthesis
Glycogen
Golgi cisternae
Lysosomes
Smooth endoplasmic reticulum
During the final stage of secretory glycoprotein trans golgi complex
formation, before exocytosis, glycoproteins are
found in the ?
Cisternae of rough endoplasmic reticulum
Cis golgi complex
Trans golgi complex
lysosomes
Polysomes in the cytosol
The synthesis of rRNA is associated most nucleolus
specifically with which of the following cell
structures?
Histology NBME review, Histology NBME full questions
3/30
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