Which one of the following blood levels would provide the nurse with the most information about the ability of the client's blood to transport oxygen? The:

carbon dioxide level.

surfactant level.

bicarbonate ion level.

hemoglobin level.

Answer and Explanation

The Correct Answer is D

Choice A rationale: Carbon dioxide level is not a direct indicator of the blood's ability to transport oxygen.

Choice B rationale: Surfactant level is not a direct indicator of the blood's ability to transport oxygen; surfactant is related to lung function.

Choice C rationale: Bicarbonate ion level is more related to acid-base balance and not a direct indicator of the blood's ability to transport oxygen.

Choice D rationale: Hemoglobin level provides the most information about the blood's ability to transport oxygen, as hemoglobin carries oxygen to tissues.

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Correct Answer is C

Explanation

Choice A rationale: Pursed-lip breathing is a compensatory mechanism to improve oxygenation and is not as severe an indication as cyanosis.

Choice B rationale: Clubbing of the nails is a chronic sign of oxygenation issues but may not be an acute and immediate indication of deterioration.

Choice C rationale: Cyanosis, the bluish discoloration of the skin and mucous membranes, is a serious indication of inadequate oxygenation.

Choice D rationale: Poor skin turgor is not a direct indicator of oxygenation status.

A. Injecting one mL of air into a vial before withdrawing 20 mg furosemide from a vial labeled 20 mg/mL B. Instructing a client to place a buccal medication under the client's tongue and allowing it to absorb. C. Pouring the ordered medication "Robitussin 2 tsp. now to the 10 ml mark on a medication cup. D. Selecting a 1 ml syringe with a 5/8 inch needle to be used for giving 0.5 mL of heparin subcutaneously.

Correct Answer is B

Explanation

Choice A rationale: Injecting one mL of air into a vial before withdrawing 20 mg furosemide is an appropriate technique to equalize pressure in the vial.

Choice B rationale: Instructing a client to place a buccal medication under the client's tongue this is a method for administering sublingual medications. Buccal medications are placed between the cheek and the gum and allowed to dissolve slowly.

Choice C rationale: Pouring liquid medication to the 10 ml mark on a medication cup is acceptable, as long as the cup is held at eye level and the lowest point of the meniscus is used to measure the volume.

Choice D rationale: Selecting a 1 ml syringe with a 5/8 inch needle is suitable for giving heparin subcutaneously, as this ensures accuracy and minimizes tissue trauma.

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Which one of the following blood levels would provide the nurse with the most information about the ability of the client's blood to transport oxygen? The:

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Naxlex Comprehensive Predictor Exams

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