A well-known visible sign of Graves' disease, but not other types of hyperthyroidism, is:
a. goiter
b. hypertension
c. exophthalmos
d. deformed fingernails
e. blue-colored lips
c
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A deficiency of which of the following vitamins results in accumulation of homocysteine in the blood?
a. Folate b. Biotin c. Niacin d. Vitamin K e. Vitamin C
In order to reduce the risk of osteoporosis, the RDA levels for two important nutrients increase in aging men and women. These two nutrients are
A. iron and calcium. B. vitamin D and calcium. C. folate and vitamin B12. D. iron and vitamin D.
Coronary heart disease is a disease that
A. affects the heart valves. B. involves the chambers of the heart. C. affects the blood vessels that serve the heart muscle. D. is caused by heartbeat irregularities.
Insulin _____ blood glucose uptake by the muscles and adipose tissue
a. depresses b. impedes c. facilitates d. stops e. uncontrollably speeds