Anatomy Flashcards
7 cards from real PCAT 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 muscle forms the posterior wall of the axilla?
Answer: Subscapularis and teres major
The posterior wall of the axilla is formed by the subscapularis, teres major, and latissimus dorsi muscles.
The portal triad in the liver consists of a portal venule, hepatic arteriole, and which third structure?
Answer: Bile duct
The portal triad (hepatic triad) consists of a branch of the portal vein, hepatic artery, and bile duct running together in the periportal space.
Which nerve is at risk during a surgical removal of the submandibular gland?
Answer: Marginal mandibular branch of CN VII
The marginal mandibular branch of the facial nerve, which controls lip depressors, is at risk during submandibular gland surgery.
Transitional epithelium (urothelium) is characteristic of which organ?
Answer: Urinary bladder
Transitional epithelium lines the urinary bladder, ureters, and renal pelvis, allowing these organs to stretch and recoil.
The circle of Willis is formed by the anastomosis of which two arterial systems?
Answer: Internal carotid and vertebrobasilar arteries
The circle of Willis is formed by anastomoses between the internal carotid arteries and the vertebrobasilar system via communicating arteries.
Which muscle is primarily responsible for depression of the mandible (opening the mouth)?
Answer: Lateral pterygoid
The lateral pterygoid muscle, aided by gravity and the suprahyoid muscles, is the primary muscle that depresses the mandible.
The zona glomerulosa of the adrenal cortex produces which hormone?
Answer: Aldosterone
The outermost layer of the adrenal cortex, the zona glomerulosa, produces aldosterone, which regulates sodium and potassium balance.