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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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.
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.
Insulin _____ blood glucose uptake by the muscles and adipose tissue
a. depresses b. impedes c. facilitates d. stops e. uncontrollably speeds