The source of calcium during the process known as fast calcium exchange is:
a. dissolution of bone.
b. blood plasma.
c. bone fluid.
d. liver calcium stores.
c
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Vitamin E is ____
a. found mostly in fruits b. a precursor to vitamin C c. a remedy for nighttime leg cramps d. found mostly in vegetable oils e. also called intrinsic factor
Which of the following is associated with increased risk of esophageal dysphagia?
a. External compression b. Stroke c. Cerebral palsy d. Myasthenia gravis
A good indicator of bone health is
A. curvature of the spine. B. frame size. C. blood calcium concentration. D. bone mineral density.
John is 60 years old and has been experiencing numbness in his hands for the past 3 months. His doctor suspects that John is not producing enough hydrochloric acid and intrinsic factor and encourages him to eat more foods containing vitamin B12 . What is wrong with this suggestion?
a. People missing intrinsic factor cannot digest foods containing vitamin B12 and will develop diarrhea b. Intrinsic factor is not associated with vitamin B12 and eating more foods containing it would have no effect on John's health c. It is improbable that a lack of hydrochloric acid production and intrinsic factor are associated with the numbness that John is experiencing d. Because John has no intrinsic factor, he cannot efficiently utilize vitamin B12 from natural sources and would need a vitamin B12-fortified food or supplement