Anatomy Flashcards
7 cards from real MCAT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Anatomy flashcards as text
Which layer of the adrenal cortex produces mineralocorticoids such as aldosterone?
Answer: Zona glomerulosa
The zona glomerulosa is the outermost layer of the adrenal cortex and is the sole site of aldosterone synthesis.
The femoral triangle is bounded superiorly by the inguinal ligament, medially by the adductor longus, and laterally by which muscle?
Answer: Sartorius
The lateral border of the femoral triangle is formed by the medial border of the sartorius muscle.
Which cranial nerve is responsible for the consensual corneal reflex afferent limb?
Answer: CN V1 (ophthalmic division of CN V)
The afferent limb of the corneal reflex is carried by the nasociliary branch of CN V1 (ophthalmic division of the trigeminal nerve).
The hepatopancreatic ampulla (of Vater) opens into which part of the duodenum?
Answer: Second part (descending)
The ampulla of Vater opens on the major duodenal papilla in the second (descending) part of the duodenum.
Which type of joint is the pubic symphysis?
Answer: Symphysis (secondary cartilaginous joint)
The pubic symphysis is a secondary cartilaginous joint (symphysis) united by fibrocartilage, allowing limited movement.
The Circle of Willis is primarily supplied by which two sets of arteries?
Answer: Internal carotid arteries and vertebrobasilar system
The Circle of Willis receives blood from the paired internal carotid arteries anteriorly and the vertebrobasilar system posteriorly.
The long thoracic nerve, which innervates the serratus anterior, arises from which roots?
Answer: C5-C7
The long thoracic nerve arises from roots C5, C6, and C7 and runs along the lateral chest wall to innervate the serratus anterior.