Byron complains that he doesn't have much energy. His tongue is sore, his gums are pale pink, and his finger nails have a dip in the center. Based on this information, Byron's physician should test him for ________.
A. cretinism
B. goiter
C. osteoporosis
D. iron deficiency
Answer: D
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The protein needs of an infant are about ________ as much per pound of body weight as adults'.
A. twice B. one-fourth C. three times D. half
Research with successful dieters has shown that, in order to be successful in losing weight and keeping that weight off, a diet should follow all the following principles except ________.
A. be low in kcal during the weight loss phase B. contain bland foods to curb the intake of kcal C. supply all essential nutrients D. be a lifelong diet
What are the two central organs of the immune system?
a. spleen and tonsils b. bone marrow and thymus gland c. gut-associated lymphatic tissue and bronchial-associated lymphatic tissue d. appendix and spleen e. bone marrow and lymph nodes