The post anesthesia care unit (PACU) charge nurse notes vital signs on four postoperative clients. Which client would the nurse assess first?

Client with a blood pressure of 90/50 mm Hg.

Client with a temperature of 96° F (35.6° C).

Client with a pulse of 118 beats/min.

Client with a respiratory rate of 6 breaths/min.

Answer and Explanation

The Correct Answer is D

A. A blood pressure of 90/50 mm Hg is concerning, but it is less urgent than severe respiratory depression. The nurse should still assess this client promptly.

B. A temperature of 96° F (35.6° C) is mildly low and should be addressed, but it is not as critical as a severely low respiratory rate.

C. A pulse of 118 beats/min is elevated and may require monitoring, but it does not pose as immediate a threat as respiratory depression.

D. A respiratory rate of 6 breaths/min is critically low, which may indicate respiratory depression, particularly after anesthesia. Immediate assessment and intervention are needed to ensure adequate oxygenation and ventilation.

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Correct Answer is A

Explanation

A. The best response is to educate the client about the cause of Prinzmetal angina. It occurs due to spasm in the coronary arteries, which is different from the plaque buildup seen in traditional coronary artery disease. This response addresses the client's concern in an accurate and reassuring manner.

B. While healthy eating is important, Prinzmetal angina is not typically caused by cholesterol or plaque buildup. This response could increase the client's anxiety.

C. While acknowledging the client's emotions is important, this response does not address the underlying concern or provide an accurate explanation of Prinzmetal angina.

D. Offering reassurance without providing accurate information about the condition does not help the client understand the cause of their symptoms and could leave them confused or anxious.

A. 13 B. 140 C. 14 D. 134

Correct Answer is C

Explanation

A. This is an underestimation due to a miscalculation of the dose rate.

B. This is an overestimation due to a miscalculation of the dose rate.

C. 1. Calculate the desired dose of dobutamine:

Desired dose (mcg/min) = Dose per kg (mcg/kg/min) x Weight (kg)

Desired dose (mcg/min) = 12 mcg/kg/min x 75 kg = 900 mcg/min

2. Convert mcg/min to mg/hr:

900 mcg/min x 60 min/hr = 54,000 mcg/hr

54,000 mcg/hr ÷ 1000 mcg/mg = 54 mg/hr

3. Calculate the concentration of dobutamine in the solution:

Concentration (mg/mL) = Total amount of dobutamine (mg) / Total volume (mL)

Concentration (mg/mL) = 1000 mg (1 g) / 250 mL = 4 mg/mL

4. Calculate the infusion rate (mL/hr):

Infusion rate (mL/hr) = Desired dose (mg/hr) / Concentration (mg/mL)

Infusion rate (mL/hr) = 54 mg/hr / 4 mg/mL = 13.5 mL/hr

5. Round to the nearest whole number:

Infusion rate (mL/hr) = 14 mL/hr

Therefore, the IV pump should be programmed for 14 mL/hr.

D. This is an overestimation due to a miscalculation of the dose rate.

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The post anesthesia care unit (PACU) charge nurse notes vital signs on four postoperative clients. Which client would the nurse assess first?

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Naxlex Comprehensive Predictor Exams

Correct Answer is A

Explanation

The healthcare provider orders dobutamine at 12 mcg/kg/min. The client weighs 75 kg. The pharmacy provides 250 mL of D5W with 1 g of dobutamine. How many mL/hr should the IV pump be programmed for? (Round to a whole number.)

Correct Answer is C

Explanation

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