Mitral valve prolapse causes blood to leak back into the ________ when the ventricles contract.
A. pulmonary trunk
B. right atrium
C. left atrium
D. pulmonary arteries
E. aorta
Answer: C
Anatomy & Physiology
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Hormones or paracrines that inhibit gastric secretion include ________
A) histamine B) secretin C) ACh D) gastrin
Anatomy & Physiology
Which of the following does NOT describe erythrocytes?
A. contain myoglobin B. have a high surface-to-volume ratio C. carry oxygen and carbon dioxide in blood D. are red in color E. when mature, have no nucleus
Anatomy & Physiology
Dynamic equilibrium receptors are found in the:
A) oval window B) cochlea C) semicircular canals D) malleus E) vestibule
Anatomy & Physiology
An abnormally high level of which of the following will result in goiter?
A) TRH B) either thyroxine or TRH C) TSH D) either TRH or TSH E) thyroxine
Anatomy & Physiology