Physician orders Cardizem to infuse at 10 mg/hr. Available is Cardizem 125 mg in 100 ml D5W. What is the rate in ml/hr?

Answer and Explanation

The Correct Answer is A

A. To calculate the infusion rate: 125 mg in 100 ml = 1.25 mg/ml. Required: 10 mg/hr ÷ 1.25 mg/ml = 8 ml/hr.

B. To calculate the infusion rate: 125 mg in 100 ml = 1.25 mg/ml. Required: 10 mg/hr ÷ 1.25 mg/ml = 8 ml/hr.

C. To calculate the infusion rate: 125 mg in 100 ml = 1.25 mg/ml. Required: 10 mg/hr ÷ 1.25 mg/ml = 8 ml/hr.

D. To calculate the infusion rate: 125 mg in 100 ml = 1.25 mg/ml. Required: 10 mg/hr ÷ 1.25 mg/ml = 8 ml/hr.

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Correct Answer is D

Explanation

A. "They will circulate my blood on a machine during the surgery.": This is correct information regarding the use of a heart-lung machine during CABG.

B. "I will need to take an aspirin every day after the surgery to keep the graft open.": Daily aspirin therapy is standard to prevent graft occlusion, indicating correct understanding.

C. "They will use an artery near my heart to go around the area that is blocked.": This accurately describes using the internal mammary artery for the bypass, showing correct knowledge.

D. "I will have small incisions in my leg where they will remove the vein.": This indicates confusion, as the internal mammary artery, not leg veins, is used in this type of CABG.

A. Client with a blood pressure of 90/50 mm Hg. B. Client with a temperature of 96° F (35.6° C). C. Client with a pulse of 118 beats/min. D. Client with a respiratory rate of 6 breaths/min.

Correct Answer is D

Explanation

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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Physician orders Cardizem to infuse at 10 mg/hr. Available is Cardizem 125 mg in 100 ml D5W. What is the rate in ml/hr?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

When evaluating the effectiveness of preoperative teaching with a client scheduled for coronary artery bypass graft (CABG) surgery using the internal mammary artery, the nurse determines that additional teaching is needed when the client says which of the following?

Correct Answer is D

Explanation

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

Correct Answer is D

Explanation

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