2026 COMPLETE QUESTIONS AND
ANSWERS
◉ Which of the following carries unoxygenated blood?.
Answer: Jugulars
◉ What organ do the carotid and vertebral arteries supply?.
Answer: Brain
◉ What is the function of the ductus arteriosus?.
Answer: Shunts blood away from the fetal lungs
◉ What blood vessels bring unoxygenated blood to the liver?.
Answer: Hepatic portal vein
◉ Insufficient blood supply to an organ?.
Answer: Ischemia
◉ If the ductus arteriousus fails to close after birth, bloods shunts
from the aorta to which blood vessel?.
, Answer: Pulmonary arteries
◉ Which direction does blood flow through the foramen ovale in the
fetus?.
Answer: From the right atrium to the left atrium
◉ What do baroreceptors regulate?.
Answer: BP
◉ What is the common feature of epinephrine and norepinephrine?.
Answer: Both are vassopressors
◉ Which of the following is true of vasoconstriction?.
Answer: It's caused by sympathetic nerve stimulation
◉ What is true about epinephrine and norepinephrine?.
Answer: They bind to beta-1 adrenergic receptors, and are secreted
by the adrenal medulla, catecholamines
◉ Which of the following best explains the function of the skeletal
muscle pump?.
Answer: Enhanced movement of blood from the lower extremities
towards the heart