During infection, in what situations does the HIV patient have a very high viral load in the plasma?
a. just before the first opportunistic infection and at death
b. during acute infection and at death
c. during clinical latency and when first opportunistic infection occurs
d. during acute infection and at the beginning of the latent period
B
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The cell type shown below is found between follicles in lymph nodes and expresses B7-1, B7-2, and class II MHC. What type of cell is this?
A. B cell B. Follicular dendritic cell C. Thymic epithelial cell D. Dendritic cell E. Plasma cell
Manufacturers of designer drugs have historically been able to skirt the law by making changes in _____, thus staying ahead of the law.
A. drug appearance B. method of administering C. chemical sequence D. none of these is correct
Exercising with stability balls is thought to be more effective than doing similar exercises on the ground because the balls contribute more to ____.
A. balance B. flexibility C. power D. strength E. posture
Which one of the following is MOST closely associated with anorexia nervosa?
A. near-normal body weight B. a belief that one is fat even when dangerously thin C. uncontrollable eating of large amounts of food D. self-induced vomiting