Explanation/Reference:
Explanation:
(A) The effects of morphine or an allergic response to the drug will not affect theophylline clearance. (B) Xanthines are used cautiously in clients with severe cardiac disease, liver disease, cor pulmonale, hypertension, or hyperthyroidism. Arthritis does not influence the dosage of theophylline. (C) Theophylline does not cause sedation or drowsiness. Conversely, its side effects may be exhibited by central nervous system stimulation. (D) Cimetidine decreases theophylline clearance from the system and increases theophylline levels in the blood, thus increasing the risk of toxicity.

Section: Questions Set G
Explanation
Explanation:
(A) Adequate renal flow of 30 mL/hr is a necessity with potassium infusions because potassium is excreted renally. (B) Because potassium level will decrease during correction of diabetic ketoacidosis, potassium will be infused even if plasma levels of potassium are normal. (C) A small T wave is normal and desired on the electrocardiogram. A tall, peaked T-wave could indicate over infusion of potassium and hyperkalemia. (D) Glucose levels of <200 are desirable.

Explanation
(A) Books increase cognition, assist with fine motor skills, and augment language development. (B) Music provides auditory stimulation and large-muscle activity. (C) Riding toys provide large-muscle activity. (D) Puppets allow expression of feelings and fears that otherwise could not be directly communicated.

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).

Explanation/Reference:
Explanation:
(A) Giving the drug with or after meals may allay gastrointestinal discomfort. Giving the drug with a fatty meal (ice cream or milk) increases absorption rate. (B) Griseofulvin may alter taste sensations and thereby decrease the appetite. Monitoring of food intake is important, and inadequate nutrient intake should be reported to the physician. (C) The child may experience symptomatic relief after 48-96 hours of therapy. It is important to stress continuing the drug therapy to prevent relapse (usually about 6 weeks). (D) The incidence of side effects is low; however, headaches are common. Nausea, vomiting, diarrhea, and anorexia may occur. Dizziness, although uncommon, should be reported to the physician.