Explanation
(A) The client should leave the electrodes in place during the entire time the test is ordered. He should not even remove the electrodes for bathing. (B) The Holter monitor will record cardiac electrical activity but will not record damage to his myocardium. (C) The client should keep a record of all of his activities so the physician can correlate the ECG findings with his activities. (D) The client should continue doing his regular activities. The purpose of the Holter monitor is to record heart activity during routine activities.

Explanation
(A) Because of the possibility of fever or respiratory failure, vital signs should be done more often than every eight hours. (B) If the epiglottitis worsens, the edema and laryngospasm may close the airway and an emergency tracheostomy may be necessary. (C) Although intake and output are a part of the nursing care of a child with epiglottitis, it is not as important as the safety measure of keeping the tracheostomy set at the bedside. (D) Specific gravity will indicate hydration status, but it is not as important as keeping the tracheostomy set at the bedside.

(A) Children may become depressed with a changed appearance and not want to look at themselves or have others see them. (B) The hair will fall out in clumps, causing patchy baldness that is quite noticeable and traumatic to children and their families. (C) Having a wig that looks like a girl's own hair can be a psychological boost to children and is helpful in fostering later adjustments to hair loss. (D) Families may become accustomed to seeing their children without hair, but the loss is traumatic to them and will continue to bother them.

Explanation
(A) Neomycin interferes with protein synthesis in the bacterial cell, causing bacterial death. Neomycin reduces the growth of the ammonia-producing bacteria in the intestines and is used for the treatment of hepatic coma.
(B) This choice describes the action of lactulose, another drug commonly used to decrease systemic ammonia levels. (C) Neomycin's action doesnotdecrease uptake of vitamin D to reduce serum ammonia levels. (D) Bowel irritation with diarrhea is more likely to occur with administration of lactulose rather than of neomycin.
Besides, diarrhea is a side effect of a drug, not the action of the drug.

Explanation
(A) Anemia and vomiting are not cardinal signs of diabetes insipidus. (B) Polyuria and polydipsia are the cardinal signs of diabetes insipidus. (C) Irritability relieved by feeding water, not formula, is a common sign, but not the cardinal sign, of diabetes insipidus. (D) Hypothermia and azotemia are signs, but not cardinal signs, of diabetes insipidus.