Answer to Question 1
A
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Testosterone enters the cell and reacts with a cytoplasmic receptor site to influence messenger ribonucleic acid (mRNA) activity resulting in the production of proteins for cell structure or function. Testosterone is responsible for both baldness and hair growth. It causes hematocrit to increase and causes thickening of skin and cartilage, which affects the male gait. Also, testosterone stimulates the closure of the epiphyses.
Answer to Question 2
D
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Antiviral medication dosages for children are calculated according to weight. There is no scientific data available concerning dosages based on complications or severity of illness. The ethical dilemma using children in drug studies is always a concern. Children must be monitored very carefully for adverse effects on kidneys, bone marrow, and the liver. The complications and severity of the disease may determine which drug is prescribed.