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The nurse is caring for a client who is having chest pain. The healthcare provider prescribes an infusion of nitroglycerin. The initial dose is 12 mcg/min. The nitroglycerin is dispensed at a concentration of 100 mg/ 250 mL. How many mL/hr will the nurse set the infusion pump? (Round rate to the nearest tenth. Only enter numbers and decimals. Do not enter any letters in your answer.)

Answer and Explanation

The Correct Answer is ["1.8"]

Infusion rate (mL/hr) = Desired dose (units/hr) / Concentration of nitroglycerin (units/mL)

First, calculate the concentration of nitroglycerin in the IV bag:

100 mg / 250 mL = 0.4 mg/mL

Next, convert the desired dose from mcg/min to mg/hr:

12 mcg/min 60 min/hr = 720 mcg/hr = 0.72 mg/hr

Finally, plug the values into the formula:

Infusion rate = 0.72 mg/hr / 0.4 mg/mL = 1.8 mL/hr

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Correct Answer is D

Explanation

A. Anuria, or the absence of urine output, occurs in later stages of shock when there is significant renal hypoperfusion. It is not an early indicator of shock.
B. Hypotension is a classic sign of shock, but it generally occurs after compensatory mechanisms have failed. It is not the earliest indicator.
C. A decreased level of consciousness occurs later in the progression of shock due to decreased cerebral perfusion. It is not the earliest sign of shock.
D. Increased respiratory rate is often the earliest indicator of shock. As the body attempts to compensate for decreased oxygen delivery and tissue perfusion, the respiratory rate increases to enhance oxygenation and eliminate excess carbon dioxide. This compensatory mechanism is typically one of the first signs that shock is developing.

A. Time of the burn B. Depth of the burn C. Cause of the burn D. Location of the burn

Correct Answer is B

Explanation

A. While the time of the burn can provide information about the potential progression of injury, it is not the primary factor in determining the severity of the burn.
B. The depth of the burn is crucial for assessing the severity of the injury as it directly impacts the treatment required and the potential for complications. Depth determines whether the burn is superficial, partial-thickness, or full-thickness.
C. The cause of the burn is relevant for understanding the mechanism of injury but does not directly affect the assessment of burn severity.
D. The location of the burn is important for assessing potential complications and functional impairment but is secondary to the depth of the burn when determining overall severity.

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who is at risk for shock. Which of the following findings is the earliest indicator that this complication is developing?

Correct Answer is D

Explanation

A nurse is assessing the depth and extent of injury on a client who has severe burns to the face, neck, and upper extremities. Which of the following factors is the nurse's priority when assessing the severity of the client's burns?

Correct Answer is B

Explanation

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A nurse is caring for a client who has burns to his face, ears, and eyelids. The nurse should identify which of the following is the priority finding to report to the healthcare provider?

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