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Question 1 of 5

A client has experienced 48 hours of severe repeated bouts of vomiting. Which acid-base imbalance is of most concern?

Correct Answer: D

Rationale: Severe vomiting causes loss of gastric acid, leading to metabolic alkalosis (
D). Respiratory imbalances (A,
B) and metabolic acidosis (
C) are less likely.

Question 2 of 5

The physician has ordered intubation and mechanical ventilation for a client with periods of apnea following a closed head injury. Arterial blood gases reveal a pH of 7.47, PCO2 of 28, and HCO3 of 23. These findings indicate that the client has:

Correct Answer: B

Rationale: A pH of 7.47 and PCO2 of 28 indicate respiratory alkalosis, likely due to hyperventilation from the head injury.

Question 3 of 5

The nurse caring for a client with a suspected peptic ulcer recognizes which exam as the one most reliable in diagnosing the disease?

Correct Answer: C

Rationale: Endoscopy directly visualizes the gastric mucosa, allowing for biopsy and definitive diagnosis of a peptic ulcer, making it the most reliable method.

Question 4 of 5

A client who has been diagnosed with lung cancer is starting a smoking-cessation program. Which of the following drugs would the nurse expect to be included in the program's plan?

Correct Answer: A

Rationale: Bupropion SR (Zyban) is commonly used in smoking cessation programs to reduce nicotine cravings and withdrawal symptoms.

Question 5 of 5

The nurse has received report on the day's assigned clients. Which of the following clients should the nurse see first?

Correct Answer: D

Rationale: Tingling around the mouth after an antibiotic suggests an allergic reaction, potentially anaphylaxis, requiring immediate assessment.

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A client with AIDS tells the nurse that he regularly takes echinacea to boost his immune system. The nurse should tell the client that:
The physician has ordered sublingual nitroglycerin for a client. Which of the following are contraindications for administration of sublingual or buccal medications? Select all that apply.

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