What are the cause of and treatment for pernicious anemia?
Pernicious anemia is an autoimmune disease in which antibodies destroy the stomach cells that produce intrinsic factor. Pernicious anemia will still be present with adequate consumption of vitamin B12 in the diet. Afflicted individuals need vitamin B12 injections because they can't absorb vitamin B12 via the GI tract without intrinsic factor.
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Intrinsic factor is produced by the
A. parietal cells of the stomach. B. beta-cells of the pancreas. C. salivary glands. D. enterocytes of the small intestine.
Geriatrics is the branch of medicine involved with diseases of the _____.
a. elderly
b. terminally ill
c. gastrointestinal tract
d. none of the above
Heavy alcohol consumption may impair vitamin K absorption resulting in:
A) bruising and prolonged bleeding. B) impaired vision and night blindness. C) bone fractures and osteoporosis. D) muscle rigidity, cramps, and twitching.
What is a feature of the basal metabolic rate (BMR)?
a. Fever decreases the BMR. b. Fasting increases the BMR. c. Pregnancy increases the BMR. d. Females have a higher BMR than males on a body weight basis. e. Strength training decreases BMR while endurance training increases it.