Cardiac output is the amount of blood that is pumped
A. by the left ventricle into the aorta in one beat.
B. by a single ventricle in one minute.
C. by both ventricles in one minute.
D. by a single ventricle in one hour.
E. by both ventricles in one hour.
Answer: B
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The head of the fibula articulates with the fibular articular facet on the
A. lateral condyle of the femur. B. lateral condyle of the tibia. C. medial condyle of the tibia. D. medial condyle of the femur. E. medial malleolus of the tibia.
A woman had repeated angina attacks. She carried nitroglycerin tablets with her at all times. When needed, why did she place the nitroglycerin tablets under her tongue?
A) To get rapid absorption into her bloodstream B) To not touch the taste buds on her tongue's surface C) To promote sustained release of her medication over time D) To avoiding the pain of intramuscular injections
Blood Ca2+ deficiency stimulates ________ secretion, which leads to ________
A) calcitonin; more urinary phosphate reabsorption B) parathyroid hormone; increased osteoclast activity C) growth hormone; increased osteoblast activity D) calcitriol; more urinary phosphate excretion E) thyroid hormone; less urinary calcium excretion
Orangutans lack a round ligament (ligamentum teres). What is a possible functional implication?
A. The orangutan knee rotates more than humans. B. The orangutan shoulder joint is less likely to be dislocated than in humans. C. The orangutan hip has more stability than humans. D. The orangutan shoulder joint has a greater range of motion than humans. E. The orangutan hip joint has a greater range of motion than humans.