What is the function of the carotid sinuses?
A. They are irregular spaces in the bone marrow through which formed elements can pass.
B. They are chemoreceptors that monitor blood chemistry.
C. They are both baroreceptors and chemoreceptors that monitor blood flow through the brain.
D. They are dural sinuses, which drain blood that has circulated through the brain.
E. They are baroreceptors that respond to changes in blood pressure.
Answer: E
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The portion of the stomach that is superior to the junction between the stomach and the esophagus is the
A) cardia. B) pylorus. C) fundus. D) antrum. E) body.
Digestion of food is regulated by the
A. somatic nervous system. B. sensory division. C. parasympathetic division of the ANS. D. sympathetic division of the ANS. E. None of the choices are correct.
Which of the following correctly pairs a term with its definition?
A. Abduction-lifting the arm out to the side of the body so that it is parallel to the ground B. Adduction-moving the arm forward so its is in front of the body C. Flexion-bringing the arm from overhead back down to the side of the body D. Extension-bending the leg at the knee to bring the heel closer to the buttocks
Except for potassium ions, tubular secretion of most unwanted substances occurs in the ________.
A. collecting duct B. proximal convoluted tubule C. distal convoluted tubule D. nephron loop