Section: Questions Set B
Explanation:
(A) Ovulation is dependent on average length of menstrual cycle, not standard 14 days. (B) Ovulation occurs
14+2 days before next menses (34 minus 14 does not equal 16). (C) Ovulation occurs 14+2 days before next menses (34 minus 14 equals 20). (D) Ovulation occurs 14+2 days before next menses (34 minus 14 does not equal 22).

Section: Questions Set B
Explanation:
(A) Cool air will often relieve pruritus without damaging the cast or irritating the skin. (B) The nurse should never force anything under the cast, because the cast may become damaged and skin breakdown may occur.
(C) Forcing an object under the cast could lead to cast damage and skin breakdown. The object may become lodged under the cast necessitating cast removal. (D) This technique does not dislodge skin cells. It could damage the cast and cause skin breakdown.

Explanation
(A) Urinary tract symptoms are not commonly associated with Lyme disease. (B) A fever of 103F is not characteristic of Lyme disease. (C) The rash that is associated with Lyme diseasedoes not appear on the palms of the hands and the soles of the feet. (D) Classic symptoms of Lyme disease include headache, malaise, fatigue, anorexia, stiff neck, generalized lymphadenopathy, splenomegaly, conjunctivitis, sore throat, abdominal pain, and cough.

Explanation
(A) Maintaining bed rest helps to decrease the O2 needs of the tissues, which decreases dyspnea and workload on the respiratory system. (B) The semi-Fowler or high-Fowler position is necessary to aid in lessening pressure on the diaphragm from the abdominal organs, which facilitates comfort and easier breathing patterns.
(C) Cerebral hypoxia causes the client with pneumonia to be increasingly irritable and restless and results from the client not obtaining enough O2 to meet metabolic needs. (D) Proper hydration facilitates liquefaction of mucus trapped in the bronchioles and alveoli and enhances expectoration. Unless contraindicated, a reasonable amount of IV fluids to be administered is at least 2.5-3 liters in a 24-hour period.

(A) This is normal for a preschooler, and a referral is not appropriate. (B) Telling a parent not to worry is unhelpful. This response does not address the mother's concern. (C) This response is incorrect. The behavior is normal and will usually disappear by the time the child enters school. (D) This behavior is normal development for a preschooler.