Explanation/Reference:
Explanation:
(A) The client should maintain a normal diet including normal salt intake. A low-sodium diet can cause lithium retention, leading to toxicity. (B) Lithium must be taken with meals because it is irritating to the gastric mucosa. (C) Diarrhea, vomiting, or diaphoresis can cause dehydration, which will increase lithium blood levels. If these symptoms occur, the nurse should instruct the client to withhold lithium. (D) Lithium is not to be taken with over-the-counter drugs without specific instruction. Some drugs raise lithium levels, whereas others lower lithium levels.

Explanation
(A) The 6 month old should be examined first. If several children will be examined, begin with the most cooperative and less anxious child to provide modeling. (B) Providing time for play and getting acquainted minimizes stress and anxiety associated with assessment of body parts. (C) Children generally cooperate best when their mother remains with them. (D) Painful areas are best examined last and will permit maximum accuracy of assessment.

Explanation/Reference:
Explanation:
(A) Reticulocyte count measures the number of immature erythrocytes. CPK is an enzyme released from injured myocardial tissue. (B) Aspartate transaminase is an enzyme released from injured myocardial tissue. Alanine transaminase is an enzyme released for general tissue destruction, which is specific for liver injury. (C) Sedimentation rate is a nonspecific test for inflammation. (D) Lactic dehydrogenase and CPK are enzymes released from injured myocardial tissue.

Section: Questions Set D
Explanation:
(A) Duplication of genetic material occurs during the preembryonic period (weeks 1-3) following conception.
The exact duplication of genetic material is essential for cell differentiation, growth, and biological maintenance of the organism. (B) Weeks 4-8, known as the embryonic period, are the time organogenesis occurs and pose the greatest potential for major congenital malformations. All major internal and external organs and systems are formed. (C) Subcutaneous fat does not develop until the latter weeks of gestation. (D) Kidneys begin to secrete urine during the 13th-16th week.

(A) Suggesting that a client increase a medication dosage is an inappropriate (and illegal) nursing action. This action requires a physician's order. (B) To suggest that a client decrease a medication dosage is an inappropriate (and illegal) nursing action. This action requires a physician's order. (C) This response is an appropriate independent nursing action. Because motorrestlessness can also be a side effect of cogentin, the nurse may suggest that the client try taking the drug early in the day rather than at bedtime. (D) Certain medications can cause gastric irritation and may be taken with food or milk to prevent this side effect.