Explanation/Reference:
Explanation:
(A) Monitoring liver function will not prevent the development of drug-resistant organisms. (B) Monitoring renal function will not prevent the development of drug-resistant organisms. (C) Knowledge of respiratory isolation will reduce transmission of tuberculosis but will not prevent development of drug-resistant organisms. (D) Noncompliance with prescribed antituberculosis drug regimen is the primary cause of drug- resistant organisms. Noncompliance permits the mutation of organisms.

(A) Perineal irritation needs to be addressed, but it is probably not necessary to call the physician. (B) This fall in pulse rate remains within normal limits and is probably insignificant. It is important to monitor for continued change. (C) This rise in pulse rate is probably not significant, but it is important to monitor for continued change. (D) This temperature is above normal limits and needs medical investigation. It may or may not be related to the head injury.

(A) Aspirin taken during a viral infection has been implicated as a predisposing factor to Reye's syndrome in children and adolescents. Children and adolescents should not be given aspirin. (B) Allergy to aspirin is not related to Reye's syndrome. (C) Tinnitus, caused by damage to the acoustic nerve, occurs with aspirin toxicity, but this is not related to Reye's syndrome. (D) A 6-year-old child should not be given any baby aspirin.

Explanation/Reference:
Explanation:
(A) An elevated serum osmolality poses no immediate danger and is not corrected rapidly. (B) A low serum sodium alone does not warrant changing IV fluids to normal saline. Other assessment parameters, such as hydration status, must be considered. (C) A low serum blood urea nitrogen is not necessarily indicative of protein deprivation. It may also be the result of overhydration. (D)A low serum potassium potentiates the effects of digitalis, predisposing the client to dangerous arrhythmias. It must be corrected immediately.

Explanation/Reference:
Explanation:
(A) This answer is correct. If the client is well informed about what reactions to expect from her medication, she is more likely to follow the treatment regimen. (B) This answer is incorrect. There are many side effects that are reversible by medication, and these must be reported to the nurse or physician. There are also more severe side effects, such as neuroleptic malignant syndrome, characterized by fever, tachycardia, and diaphoresis, which can be life threatening. (C) This answer is incorrect. There is no need for weekly blood tests if the drug regimen has been followed properly. (D) This answer is incorrect. The client should continue the medicationuntil the physician recommends any change in the drug regimen. Symptoms will usually reappear if medication is discontinued.