In the early 1900s, Japanese children who did not consume fish developed a form of blindness. Which vitamin were they deficient in?
A) vitamin D B) vitamin C C) vitamin E D) vitamin A
D
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At the end of your class presentation on "Acute Malnutrition," a student asks you to clarify how the rapid onset of malnutrition occurs in kwashiorkor. How should you respond?
a. It is the result of an inborn error of metabolism. b. It is usually synchronized with the drought season in each respective country. c. It is typically seen in patients who are 2-5 years old due to the sudden change in diet arising from their dislike for breast milk as they grow older. d. It is typically seen in patients after weaning due to the sudden change in diet arising from their being weaned from breast milk after the birth of a sibling. e. It occurs when the family's finances are no longer able to afford food for all family members.
Almost all (99%) of the calcium in the body is used to:
a. provide energy for cells. b. provide rigidity for the bones. c. regulate the transmission of nerve impulses. d. regulate muscle contraction.
A condition in which a portion of the stomach protrudes above the diaphragm is called a(n) _____
a. hiatal hernia b. Barrett's esophagus c. gastritis d. gastric ulcer e. GERD
When was the Huntington's disease gene mapped with DNA markers?
a. 2003 b. 1999 c. 1990 d. 1983 e. 1971