Which of the following statements is true of exercise?
A. It prevents the enlargement of the hippocampus.
B. It does not affect the serotonin level in the body.
C. It increases muscle contractions.
D. It is not useful in treating depression.
E. It increases the release of dopamine.
Answer: E
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Trophic changes after denervation include which of the following?
A. Muscle atrophy B. Shiny skin C. Brittleness of fingernails and toenails D. A and B E. All of the above
Which of the following is the cause of red blood cell deficiency in autoimmune hemolytic anemia? (Select all that apply.)
a. inability of red blood cells to develop normally in the bone marrow b. loss of red blood cells due to widespread pinpoint hemorrhages c. hemolysis by assembly of membrane-attack complexes d. phagocyte-mediated clearance in the spleen e. rapid turnover of red blood cells due to CD8 T-cell killing.
All of the following prefixes are related to a number EXCEPT ________
A) quadri- B) bi- C) tri- D) eu-
Diagnosis of diabetes insipidus is made by performing a:
A) hemoglobin and hematocrit test. B) water restriction test. C) sweat chloride test. D) urine culture.