The tongue's shape changes PRIMARILY because of the action of the
a. extrinsic tongue muscles
b. intrinsic tongue muscles
c. all of the above
Answer: b. intrinsic tongue muscles
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Paneth cells ________
A) secrete hormones B) secrete digestive enzymes C) secrete bicarbonate ions D) secrete enzymes that kill bacteria
A 45-year-old man is placed on an angiotensin-converting enzyme inhibitor as part of his therapy for hypertension. If he does not change his diet, what changes in his serum [Na+] and serum [K+] would you expect?
Serum [Na+] Serum [K+] A. No change ? B. No change ? C. ? No change D. ? ? E. ? ?
The mood disorders are primarily disturbances of thought processes.
Answer the following statement true (T) or false (F)
Which of the following statements about blood vessel structure and function is FALSE?
A. Veins are more compliant than arteries. B. The aorta and other large arteries serve as a pressure reservoir for the circulatory system. C. Arterioles are small vessels whose resistance to blood flow can be varied. D. Arterioles, capillaries, and veins all have valves that allow only one-way flow of blood. E. If your blood pressure is 100/70, your mean arterial blood pressure is ~80 mm Hg.