MCAT Anatomy 3

Question 1

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

Accepted Answer

Zona glomerulosa

Answer

The zona glomerulosa is the outermost layer of the adrenal cortex and is the sole site of aldosterone synthesis.

Question 2

The femoral triangle is bounded superiorly by the inguinal ligament, medially by the adductor longus, and laterally by which muscle?

Accepted Answer

Sartorius

Answer

The lateral border of the femoral triangle is formed by the medial border of the sartorius muscle.

Question 3

Which cranial nerve is responsible for the consensual corneal reflex afferent limb?

Accepted Answer

CN V1 (ophthalmic division of CN V)

Answer

The afferent limb of the corneal reflex is carried by the nasociliary branch of CN V1 (ophthalmic division of the trigeminal nerve).

Question 4

The hepatopancreatic ampulla (of Vater) opens into which part of the duodenum?

Accepted Answer

Second part (descending)

Answer

The ampulla of Vater opens on the major duodenal papilla in the second (descending) part of the duodenum.

Question 5

Which type of joint is the pubic symphysis?

Accepted Answer

Symphysis (secondary cartilaginous joint)

Answer

The pubic symphysis is a secondary cartilaginous joint (symphysis) united by fibrocartilage, allowing limited movement.

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