Explanation/Reference:
Explanation:
(A) D5in normal saline would increase serum glucose. (B) D5W would increase serum glucose. (C) A concentration of 0.9 NS is used to correct extracellular fluid depletion. (D) D5in Ringer's lactate would increase serum glucose.

Explanation
(A) This meal choice provides more of the vitamins A, D, and K than of vitamin C.
(B) This meal choice provides more of the vitamins A, B12, and D than of vitamin C.
(C) This meal choice provides more of the vitamins A, B1 (thiamine), niacin, and microminerals than of vitamin C.
(D) This meal choice provides foods rich in vitamin C, which are essential in tissue healing.

Explanation
(A) Indigestion or nausea may accompany angina or myocardial infarction, but they do not indicate imminent danger for the client. (B) Restlessness and apprehensiveness require immediate nursing action because they are indicative of very low oxygenation of body tissues and are frequently the first indication of impending cardiac or respiratory arrest. (C) It is common for the cardiac client to experience fatigue and inability to physically tolerate long assessment sessions. (D) A history of hypertension requires no immediate nursing intervention.
In the situation described, the blood pressure is not given and therefore cannot be assumed to be elevated.

Explanation/Reference:
Explanation:
(A, B, C) No amount of alcohol has been determined safe for pregnant women. Alcohol should be avoided owing to the risk of fetal alcohol syndrome. (D) The recommended safe dosage of alcohol consumption during pregnancy is none.

Explanation/Reference:
Explanation:
(A) Partial thromboplastic time measures activity of thromboplastin, which depends on the intrinsic clotting factors deficient in children who are hemophiliacs. (B) Platelet counts are normal in hemophilia. (C) Hemophilia does not affect the complete blood count. (D) Bleeding times are normal in hemophiliacs. They measure the time interval for the bleeding from small superficial wounds to cease.