Which of the following is one of the diagnostic criteria for anorexia nervosa?

A. Use of unsafe means of preventing weight gain (e.g., self-induced vomiting) at least one time per week for at least 3 months
B. Body mass index below 17.5 kg/m2
C. Significantly low heart rate, measured on two separate occasions
D. Extreme dietary restriction that leads to significantly low body weight


Answer: D

Nutritional Science

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Which of the following is not characteristic of a Type I hypersensitivity reaction?

a. can occur at any point after the first exposure to the antigen b. long-term complications occur from deposition of antigen within organs and cells c. symptoms are caused primarily by release of histamine from the mast cells d. can be a food allergy

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Indicate whether the statement is true or false

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________ is a rich source of heme iron.

A. Fat-free milk B. Beef steak C. Fresh broccoli D. Corn oil margarine

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