A client is receiving oxygen at 2 L/min via a nasal cannula. What oxygen concentration is the client receiving?

28%

70%

509%

36% .

Answer and Explanation

The Correct Answer is A

The correct answer is Choice A. The client is receiving an oxygen concentration of 28%. Nasal cannulas can deliver oxygen at a flow rate ranging from 1 to 6 liters per minute (L/min), with

each additional liter increasing the fraction of inspired oxygen (FiO2) by 4%. Therefore, at 2 L/min, the client is receiving an oxygen concentration of 28%78.

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Correct Answer is B

Explanation

Choice A rationale

While it is important to ensure that restraints are not too tight, the issue in this scenario is not related to the tightness of the restraints.
Choice B rationale
Restraints should be tied with a slipknot to allow for quick release if necessary. A double knot may be difficult to untie quickly in an emergency.
Choice C rationale
Restraint straps should not be tied to the side rails. If the side rails are lowered, the restraints could become too loose.
Choice D rationale
The padding under the wrist restraints should not be removed. The padding helps to prevent skin damage and increase the comfort of the patient.

A. Manifestations of hypoglycemia B. IV insertion site C. The client’s oral intake D. Height of the IV pole

Correct Answer is B

Explanation

Choice A rationale
While manifestations of hypoglycemia are important to monitor in clients receiving insulin or oral hypoglycemic agents, they are not typically a primary concern in clients receiving TPN. TPN solutions contain dextrose, which can actually lead to hyperglycemia if not properly managed.
Choice B rationale

Monitoring the IV insertion site is crucial in clients receiving TPN. Infections and complications can occur at the site of insertion, so regular assessment is necessary. Therefore, Choice B is the correct answer.
Choice C rationale
The client’s oral intake is not a primary concern when receiving TPN, as TPN provides complete nutrition intravenously.
Choice D rationale
The height of the IV pole does not need to be monitored in clients receiving TPN. The infusion pump controls the rate of the TPN infusion.

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A client is receiving oxygen at 2 L/min via a nasal cannula. What oxygen concentration is the client receiving?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse has delegated the application of wrist restraints to an assistive personnel (AP) for a confused patient. The AP has padded the wrist restraints and secured the straps to the bed frame with a double knot. What action should the nurse take?

Correct Answer is B

Explanation

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Correct Answer is B

Explanation

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