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Question 42 0 out of 2 points Fever associated with pyelonephritis will usually resolve within how many hours of treatment with antibiotics? Answer: A. 24 hours Question 43 2 out of 2 points How can hormonal influences during pregnancy cause backache? Answer: A. They loosen ligaments and joints. Question 44 2 out of 2 points What tends to cause acne in adolescence? Answer: D. An increase in testosterone Question 49 0 out of 2 points In order to maintain continence bladder pressure must be Answer: B. equal to the pressure of the urethral sphincter. Question 50 2 out of 2 points What is a contributor to the increased incidence of heartburn during pregnancy? Answer: D. The pregnancy hormone relaxin, which softens the lower esophagea