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An expected physiologic response to a low potassium level is:
- A. Cardiac dysrhythmias.
- B. Hyperglycemia.
- C. Hypertension.
- D. Increased energy.
Correct Answer: A
Rationale: Hypokalemia can cause cardiac dysrhythmias due to its effect on cardiac muscle excitability, making it the most significant physiologic response.
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The nurse is instructing a Hindu client to increase protein in the diet. Which of the following foods are appropriate to include in this client's diet? Select all that apply.
- A. Lentil soup.
- B. Hamburger.
- C. 3 mm.
- D. Veal cutlet.
- E. Broiled fish sandwich.
Correct Answer: A
Rationale: Hindus typically follow a vegetarian diet, so lentil soup is appropriate, while meat-based options like hamburger, veal, and fish are not.
A client with chronic renal failure is experiencing central nervous system changes caused by uremic toxins. Which nursing intervention would be most appropriate for addressing the changes?
- A. Allow the client to grieve for body image changes.
- B. Restrict foods that are high in potassium.
- C. Restrict fluid intake to 1,000 mL/day.
- D. Assess the client's mental status regularly.
Correct Answer: D
Rationale: Regularly assessing mental status monitors uremic encephalopathy progression, guiding timely interventions in chronic renal failure.
Which statement about automated external defibrillators is accurate?
- A. They are not as effective as regular defibrillators.
- B. They are replacing regular defibrillators in acute care settings.
- C. Only BLS certified people in the community should use them.
- D. They can be easily used by people with no healthcare experience.
Correct Answer: D
Rationale: AEDs are designed for use by laypersons with minimal training, making them accessible for public use in emergencies.
Which of the following examples should the nurse use to describe bulimia to a group of parents at a local community center?
- A. An adolescent male who uses calorie-counting to maintain his weight in the desirable range for his height.
- B. A college-age male who uses regular exercise to be able to eat and drink what he wants without gaining weight.
- C. A middle-aged female who uses diet pills occasionally to help her lose 10 lb.
- D. A college-age female who binges and then purges to prevent weight gain.
Correct Answer: D
Rationale: Bulimia is characterized by binge eating followed by purging to prevent weight gain.
The nurse is caring for a client with a history of chronic obstructive pulmonary disease who is receiving oxygen therapy. Which of the following flow rates is most appropriate for this client?
- A. 1-2 L/min via nasal cannula.
- B. 4-6 L/min via face mask.
- C. 8-10 L/min via non-rebreather mask.
- D. 12-15 L/min via Venturi mask.
Correct Answer: A
Rationale: A flow rate of 1-2 L/min via nasal cannula is appropriate for COPD clients to avoid suppressing their hypoxic respiratory drive.