Answer to Question 1
B
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The transmission of information between two nerves or between a nerve and a gland or muscle is chemical. Options A, C, and D are incorrect.
Answer to Question 2
A
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Metformin and pioglitazone have proven effective in increasing insulin sensitivity and decreasing androgen and luteinizing hormone levels to break the cycle and allow ovulation to occur if pregnancy is desired. A fertility drug is often used with the antidiabetic agent. Other options are not appropriate because they are not indicated for treating polycystic ovary syndrome.