Section: Questions Set C
Explanation:
(A) Riding a stationary bicycle or walking on a treadmill is done during a stress test. (B) During an echocardiogram, the client must lie supine while a technician performs the test. To perform the test, the technician uses a conductive gel and a transducer to obtain ultrasound tracings of the heart. (C) A physician need not be present during an echocardiogram, and it is neither invasive nor painful. (D) There is no premedication required for an echocardiogram.

Explanation/Reference:
Explanation:
(A) Naele's rule is as follows: add 7 days to the 1st day of the last menstrual period, subtract 3 months, and then add 1 year. (B) Naele's rule presumes that the woman has a 28-day menstrual cycle, with conception occurring on the 14th day of the cycle. Slight vaginal spotting may occur in early gestation for unknown reasons but is insignificant in the calculation of Naele's rule. (C) Naele's rule presumes that the woman has a 28-day menstrual cycle, with conception occurringon the 14th day of the cycle. Slight vaginal spotting may occur in early gestation for unknown reasons but is insignificant in the calculation of Naele's rule. (D) Naele's rule presumes that the woman has a 28-day menstrual cycle, with conception occurring on the 14thday of the cycle. Slight vaginal spotting may occur in early gestation for unknown reasons but is insignificant in the calculation of Naele's rule.

Explanation
(A) Clients with Parkinson's disease generally experience stiffness and rigid movement. (B) Pill-rolling movements are a symptom experienced by the Parkinson client. (C) Twitching of the muscles is not an expected symptom of Parkinson's disease. (D) Parkinson's disease does not cause joint pain. Mild muscular pain may be present.

Explanation
(A) Lack of insulin causes glycogenolysis, catabolism, and hyperglycemia. (B) Insulin promotes the conversion of glucose to glycogen for storage and regulates the rate at which carbohydrates are used by cells for energy. (C) Insulin is anabolic in nature. (D) Glucose stimulates protein synthesis within the tissue and inhibits the breakdown of protein into amino acids.

Explanation
(A) RhoGAM is given to Rh-negative mothers to prevent the maternal Rh immune response to fetal Rh-positive antigens. (B) If the infant is Rh positive, the mother will receive another dose postdelivery to prevent maternal sensitization. (C) Prevention of maternal sensitization will protect future pregnancies because the mother's blood will be free of antibodies against her fetus. (D) RhoGAM prevents maternal sensitization to Rh-positive blood.