Histology Certification Organ Histology 2

Question 1

Which layer of the adrenal cortex produces mineralocorticoids such as aldosterone?

Accepted Answer

Zona glomerulosa

Answer

Zona fasciculata

Answer

Zona reticularis

Answer

Adrenal medulla

Question 2

The hepatic sinusoids are lined by which specialized cell type that lacks a basement membrane?

Accepted Answer

Sinusoidal endothelial cells

Answer

Kupffer cells

Answer

Ito cells

Answer

Hepatocytes

Question 3

In the kidney, which structure separates the glomerular capillary lumen from the Bowman's space?

Accepted Answer

Filtration barrier (endothelium, GBM, podocytes)

Answer

Macula densa

Answer

Peritubular capillary wall

Answer

Juxtaglomerular apparatus

Question 4

The interalveolar septa of the lung contain type II pneumocytes whose primary function is to:

Accepted Answer

Produce surfactant

Answer

Phagocytose inhaled particles

Answer

Facilitate gas exchange

Answer

Transport oxygen across the barrier

Question 5

Which histological feature distinguishes the pyloric glands of the stomach from the fundic glands?

Accepted Answer

Predominantly mucous secretory cells with few parietal cells

Answer

Presence of chief cells

Answer

Abundance of parietal cells

Answer

Presence of enterochromaffin-like cells

Question 6

The thyroid follicle is filled with colloid, which stores which precursor molecule?

Accepted Answer

Thyroglobulin

Answer

Calcitonin

Answer

Parathyroid hormone

Answer

Triiodothyronine

Question 7

Which zone of the liver acinus (Rappaport) is most susceptible to ischemic necrosis due to its distance from the portal triad?

Accepted Answer

Zone 3

Answer

Zone 1

Answer

Zone 2

Answer

Periportal zone