Myasthenia gravis results in an autoimmune reaction that damages or destroys the cellular receptor for:
a. dopamine.
b. acetylcholine.
c. serotonin.
d. nitric oxide.
b
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Vitamin D is sometimes called the sunshine vitamin because
A. it can be destroyed by exposure to sunlight. B. it is the yellow-orange color of the sun. C. it is available in fresh orange juice. D. exposure to sunlight converts a precursor form to vitamin D.
Which of the following is true of malnutrition in children?
a. Children with kwashiorkor typically have edema. b. Children with marasmus often have fatty livers. c. Kwashiorkor results mainly from energy inadequacy. d. Marasmus results mainly from protein inadequacy. e. Children with marasmus often have changes in the color of their hair and skin.
Which of the following is a characteristic of thiamin nutrition?
a. The coenzyme contains pyrosulfate b. It is required for regeneration of folate c. It is required for regeneration of niacin d. It is an integral part of the nerve cell membrane
The perinatal concept refers to the:
a. period of physical gestation. b. period immediately before conception. c. scope of factors surrounding a birth. d. scope of the mother's nutritional status.