What is a common neurotransmitter?
- A. Acetylcholine
- B. GABA
- C. Serotonin
- D. All of the above
Correct Answer: D
Rationale: Acetylcholine, GABA, and serotonin are all common neurotransmitters. Acetylcholine is involved in muscle activation and memory, GABA is an inhibitory neurotransmitter that reduces neuronal excitability, and serotonin regulates mood, appetite, and sleep. The diversity of neurotransmitters allows for complex regulation of nervous system functions.
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The male client diagnosed with multiple sclerosis states he has been investigating alternative therapies to treat his disease. Which intervention is most appropriate by the nurse?
- A. Encourage the therapy if it is not contraindicated by the medical regimen.
- B. Tell the client only the health-care provider should discuss this with him.
- C. Ask how his significant other feels about this deviation from the medical regimen.
- D. Suggest the client research an investigational therapy instead.
Correct Answer: A
Rationale: Encouraging alternative therapies that are safe and not contraindicated can empower the client and support their autonomy in managing their condition.
Within what approximate time frame does necrosis (cell death) occur because of lack of blood, oxygen, and glucose supplied to the brain?
- A. at least 30 minutes
- B. 20-25 minutes
- C. 12-18 minutes
- D. 4-10 minutes
Correct Answer: D
Rationale: Necrosis, or cell death, can occur within 4-10 minutes of interrupted blood flow to the brain. This underscores the importance of rapid intervention during a stroke to minimize brain damage and improve outcomes.
What nursing interventions are most critical for a client diagnosed with encephalitis?
- A. Evaluating the client's ventilation capacity and lung sounds frequently.
- B. Observing closely for signs of respiratory distress.
- C. Administering an indwelling urethral catheter.
- D. Monitoring vital signs and LOC frequently.
Correct Answer: B
Rationale: Respiratory distress is a potential complication requiring close monitoring.
Which patient should the nurse assess first after change-of-shift report?
- A. A 42-year-old patient with carpal tunnel syndrome complaining of pain.
- B. A 64-year-old patient with osteoporosis who is waiting for discharge.
- C. A 28-year-old patient with fracture complaining that the cast is tight.
- D. A 56-year-old patient with left leg amputation complaining of phantom pain.
Correct Answer: C
Rationale: A tight cast can lead to compartment syndrome, which is a medical emergency.
In reviewing Mrs. Post's laboratory results, which abnormal test is most likely to confirm the diagnosis?
- A. Sedimentation rate
- B. Rheumatoid factor
- C. LE cells
- D. Antinuclear antibody
Correct Answer: D
Rationale: Antinuclear antibodies are highly indicative of systemic lupus erythematosus.