Nokea
The nurse is assessing a patient suffering a head injury as a result of an altercation with two other individuals. The patient has difficulty accurately reporting the events of the altercation and appears very emotional during the assessment. The nurse suspects which part of the brain received the greatest amount of injury?
- A. Cerebrum
- B. Cerebellum
- C. Medulla
- D. Amygdala
Correct Answer: A
Rationale: The frontal lobes of the cerebrum control the organization of thought, body movement, memories, emotions, and moral behavior. The cerebellum is the center for coordination of movements and postural adjustments. The medulla contains vital centers for respiration and cardiovascular functions. The amygdala is involved in emotional arousal and memory.
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Which of the following side effects of lithium are frequent causes of noncompliance?
- A. Metallic taste in the mouth
- B. Weight gain
- C. Acne
- D. Thirst
- E. Lethargy
Correct Answer: B,E
Rationale: Lethargy and weight gain are difficult to manage and frequently lead to noncompliance with lithium therapy.
Which of the following is a neuromodulator?
- A. Neuropeptides
- B. Glutamate
- C. Dopamine
- D. GABA
Correct Answer: A
Rationale: Neuropeptides are neuromodulators. Glutamate and dopamine are excitatory neurotransmitters. GABA is an inhibitory neurotransmitter.
Which of the following increases the risk for neuroleptic malignant syndrome (NMS)?
- A. Overhydration
- B. Intake of vitamins
- C. Dehydration
- D. Vegetarian diet
Correct Answer: C
Rationale: Dehydration increases the risk for NMS, a potentially fatal reaction to antipsychotics. Overhydration, vitamins, and vegetarian diets do not directly contribute to NMS risk.
When the client experiences facial flushing, a throbbing headache, nausea and vomiting after consuming alcohol while taking Disulfiram (Antabuse), the nurse is aware that this is due to which of the following?
- A. A mild side effect of the medication.
- B. The intended therapeutic result.
- C. An idiosyncratic reaction
- D. A severe allergy to the medication.
Correct Answer: B
Rationale: Disulfiram causes an adverse reaction when mixed with alcohol, producing symptoms like flushing, headache, nausea, and vomiting as the intended therapeutic effect to deter alcohol consumption.
Which of the following medications rarely causes extrapyramidal side effects (EPS)?
- A. Ziprasidone (Geodon)
- B. Chlorpromazine (Thorazine)
- C. Haloperidol (Haldol)
- D. Fluphenazine (Prolixin)
Correct Answer: A
Rationale: Atypical antipsychotics like ziprasidone rarely cause EPS compared to first-generation antipsychotics like chlorpromazine, haloperidol, and fluphenazine.