The last step to synthesis of 1,25-dihydroxy vitamin D3 occurs in what organ?
A) skin
B) brain
C) gastrointestinal tract
D) kidney
E) liver
Ans: D) kidney
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A parathyroid gland that is overresponsive to blood calcium levels will produce abnormally high amounts of calcitonin and cause bones to rapidly gain calcium.
Answer the following statement true (T) or false (F)
Which of the following generalizations does NOT describe the cerebral cortex?
A) The hemispheres are exactly equal in function. B) No functional area of the cortex works alone. C) Each hemisphere is chiefly concerned with sensory and motor functions of the contralateral side of the body. D) The cerebral cortex contains three kinds of functional areas.
Which statement about secretin is correct?
a. The most potent stimulus for its secretion is the presence of fat in the duodenum. b. It stimulates pancreatic enzyme secretion. c. It stimulates the secretion of bicarbonate. d. It stimulates the pancreatic acinar cells. e. None of the above
A type of arthritis that involves accumulations of uric acid crystals is calledÂ
A. osteoarthritis. B. gout. C. rheumatoid arthritis. D. osteoporosis.