Section: Questions Set C
Explanation:
(A) Ritodrine is a sympathomimetic α2-adrenergic agonist that can cause an elevation of blood glucose and plasma insulin in pregnant women. Hyperglycemia can occur in women with abnormal carbohydrate metabolism because of their inability to release more insulin. (B) Hypokalemia can occur resulting from the action of the _-mimetics. It results from a displacement of the extracellular potassium into the intracellular space. (C) Ritodrine causes vasodilation of vessel walls, which can lead to hypotension. The body compensates by increasing heart rate and pulse pressure. (D) There is a lowering of serum iron resulting from the action of _-mimetics to activate hematopoiesis.

Explanation/Reference:
Explanation:
(A) These symptoms are acute, common, and usually harmless central nervous system side effects of lithium. (B) These symptoms of lithium toxicity are usually dose related. (C) These symptoms are acute, common, and usually harmless renal side effects of lithium. (D) These symptoms are acute, common, and usually harmless gastrointestinal side effects of lithium.

Explanation
(A) Patent ductus arteriosus repair is a closed-heart procedure. The client is not placed on a heart-lung machine. (B) Patent ductus arteriosus is a ductus arteriosus that does not close shortlyafter birth but remains patent. Repair is a closed-heart procedure involving ligation of the patent ductus arteriosus. (C) Coronary artery bypass graft surgery is an open-heart surgical procedure in which blocked coronary arteries are bypassed using vessel grafts. (D) Percutaneous transluminal coronary angioplasty is a closedheart procedure that improves coronary blood flow by increasing the lumen size of narrowed vessels.

Explanation/Reference:
Explanation:
(A) If the infant is given the bottle first, he will be less likely to be hungry enough to eat the solid foods. (B) Milk is deficient in iron, vitamin C, zinc, and fluoride. It does not provide an adequate diet. (C) The vitamin supplement will help, but the infant needs an iron supplement. (D) Giving the solid food when the infant is hungriest will increase the likelihood that he will eat. The more solid food he takes, the less milk he will desire.

Explanation
(A) Consistent primary care nurses can better interpret infant cues and note feeding behaviors. (B) In nonorganic failure to thrive the parent-infant dyad has already experienced difficulties in the relationship.
These parents may already feel dissatisfied and frustrated. The primary nurse would be unable to prevent this.
(C) Assigning a primary nurse does not ensure that infant fatigue and frustration will not occur or can be prevented. (D) Providing privacy does not ensure a change in feeding behavior.