1. Right Answer: C
Explanation: (A) Lorazepam is a benzodiazepine, or antianxiety agent, that potentiates the effects of _-aminobutyric acid in the CNS, which is not the CNS neurotransmitterEPS. (B) Triazolam is a benzodiazepine sedative-hypnotic whose action is mediated in the limbic, thalamic, and hypothalamic levels of the CNS by - aminobutyric acid. (C) Benztropine is an anticholinergic agent, and the drug of choice for blocking CNS synaptic response, which causes EPS. (D) Thiothixene is an antipsychotic and neuroleptic drug that blocks dopamine neurotransmission at the CNS synapses, thereby causing EPS.
2. Right Answer: A
Explanation: (A) The client verbalizes that he is responsible for compliance and keeping the treatment team member informed of progress. This behavior puts him at the lowest risk for relapse. (B) Noncompliance is a major cause of relapse. This statement reflects lack of responsibility for his own health maintenance. (C) This statement reflects lack of insight into the importance of compliance. (D) This statement reflects no insight into his illness or his responsibility in health maintenance.
3. Right Answer: C
Explanation: (A) A deficit in sodium concentration results in muscular weakness and lethargy. (B) Muscle fatigue and hypotonia are caused by hypercalcemia. (C) Muscle weakness and fatigue are classic signs of hypokalemia. (D) Hypermagnesemia can cause muscle weakness, paralysis, and coma.
4. Right Answer: D
Explanation: (A) Inspiration is normally longer in vesicular areas. (B) Highpitched sounds are normal in bronchial area. (C) Muffled sounds are considered abnormal. (D)Inspiration and expiration are equal normally in this area, and sounds are medium pitched.
5. Right Answer: C
Explanation: (A) There will be no need to increase fluid intake excessively, because dumping syndrome could present a problem. (B) Followup visits every 3 weeks are not a standard recommendation. Follow-up visits will be highly individualized. (C) With removal of the stomach, intrinsic factor will no longer be produced. Intrinsic factor is necessary for vitamin B12 absorption. Parenteral injections of B12 will be needed on a monthly basis for the rest of the persons life. (D) Smaller, more frequent meals, rather than large, bulky meals, are recommended to prevent problems with dumping syndrome.
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