Nokea
Match the descriptions to the stages of sleep. Some descriptions may have more than one stage and some stages may be used more than once.
- A. Brain waves resemble wakefulness
- B. Deepest sleep, lasting 20 to 40 minutes
- C. Associated with specific EEG waveforms
- D. Most vivid dreaming occurs
Correct Answer: D
Rationale: The correct answer is D (REM). REM sleep is characterized by brain waves resembling wakefulness and vivid dreaming. The deepest sleep (B) corresponds to NREM Stage 3, while specific EEG waveforms (C) are associated with all stages.
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What is the most common cause of amblyopia?
- A. Strabismus
- B. Cataracts
- C. Astigmatism
- D. Glaucoma
Correct Answer: A
Rationale: Strabismus, or misalignment of the eyes, is the leading cause of amblyopia in children.
A client is admitted to the unit for chemotherapy. To prevent an acid-base problem, which of the following would you instruct the nursing assistant to report?
- A. Repeated episodes of nausea and vomiting
- B. Complaints of pain associated with exertion
- C. Failure to eat all food on breakfast tray
- D. Client hair loss during morning bath
Correct Answer: A
Rationale: Nausea and vomiting can lead to metabolic alkalosis due to loss of gastric acid, making it important to report promptly to prevent acid-base imbalances.
What diet would be most appropriate for Mr. Puff on discharge?
- A. Low-calorie, low-sodium
- B. Regular, with increase in milk and milk products
- C. Regular, with increase in onions, peas, cabbage
- D. Soft, with small frequent feedings
Correct Answer: D
Rationale: Small, frequent meals prevent overeating and reduce respiratory workload.
A student nurse arrives on the unit and asks you what the rationale for treatment of withdrawal is. What is the best response?
- A. To protect the patient while the body removes the drug from the patient's bloodstream.
- B. To protect the patient from relapsing during withdrawal.
- C. To treat the patient's psychological dependency on the substance.
- D. To treat the symptoms of withdrawal while the body removes the substance from the patient's bloodstream.
Correct Answer: D
Rationale: Treating withdrawal symptoms supports physiological stability as the body clears the substance.
For a patient with osteogenic sarcoma, you would be particularly vigilant for elevations in which laboratory value?
- A. Sodium.
- B. Calcium.
- C. Potassium.
- D. Hematocrit.
Correct Answer: B
Rationale: Elevated calcium levels are commonly associated with osteogenic sarcoma due to bone destruction and release of calcium into the bloodstream.