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Question 1 of 5

A client with COPD is in respiratory failure. Which of the following results would be the most sensitive indicator that the client requires a mechanical ventilator?

Correct Answer: C

Rationale: A pH of 7.23 indicates severe respiratory acidosis, suggesting inadequate ventilation and the need for mechanical ventilation. PCO2 58 (
A) and HCO3 30 (
D) are elevated but less critical, and SaO2 90 (
B) is low but not definitive.

Question 2 of 5

A client with a history of a peptic ulcer is being discharged. The nurse should teach the client to:

Correct Answer: A

Rationale: Spicy foods can irritate a peptic ulcer, delaying healing. Small meals, avoiding lying down post-meals, and limiting caffeine are also recommended.

Question 3 of 5

The mother of a one-year-old wants to know when she should begin toilet-training her child. The nurse's response is based on the knowledge that sufficient sphincter control for toilet training is present by:

Correct Answer: B

Rationale: Sufficient sphincter control for toilet training typically develops between 18-24 months, when children gain the physical and cognitive ability to control urination and defecation.

Question 4 of 5

Which early morning activity helps to reduce the symptoms associated with rheumatoid arthritis?

Correct Answer: C

Rationale: Holding a warm cup of coffee can reduce morning stiffness in rheumatoid arthritis by providing warmth and encouraging gentle hand movement. The other activities do not specifically alleviate joint stiffness.

Question 5 of 5

A 2-year-old toddler is hospitalized with epiglottitis. In assessing the toddler, the nurse would expect to find:

Correct Answer: C

Rationale: A productive cough is not associated with epiglottitis. Children with epiglottitis seldom have expiratory stridor. Inspiratory stridor is more common due to edema of the supraglottic tissues. Because of difficulty with swallowing, drooling often accompanies epiglottitis. Crackles are not heard in the lower lobes with epiglottitis because the infection is usually confined to the supraglottic structures.

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