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The nurse is educating her patient on the pumping efficacy of the heart.
The nurse knows that the patient understands the teaching when the patient states:

There are no chambers.

Large chambers called ventricles.

Small chambers called ventricles.

Large chambers called the atrium.

Answer and Explanation

The Correct Answer is B

Choice A rationale:

This statement is incorrect because the heart has four chambers: two atria and two ventricles.

Choice B rationale:

This statement is correct. The heart has two large chambers called ventricles that pump blood out of the heart.

Choice C rationale:

This statement is incorrect because the ventricles are the larger chambers of the heart, not the smaller ones.

Choice D rationale:

This statement is incorrect because the atria are the smaller chambers of the heart, not the larger ones.

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Correct Answer is B

Explanation

Choice A rationale:

Metabolic acidosis would likely present with rapid, deep breathing (Kussmaul respirations), not slow and shallow breathing.

Choice B rationale:

The client’s symptoms of vomiting (which can cause a loss of stomach acid), dizziness, palpitations, and numbness and tingling in the extremities and around the mouth are consistent with metabolic alkalosis.

Choice C rationale:

Respiratory alkalosis would likely present with rapid breathing, not slow and shallow breathing.

Choice D rationale:

Respiratory acidosis would likely present with rapid, shallow breathing, not slow and shallow breathing.

A. 60°. B. 45°. C. 90°. D. 75°. .

Correct Answer is C

Explanation

Choice A rationale:

An angle of 60° is not typically used for IM injections. It is more commonly used for subcutaneous injections.

Choice B rationale:

An angle of 45° is also more commonly used for subcutaneous injections, not IM injections.

Choice C rationale:

An angle of 90° is the correct angle for an IM injection into the ventrogluteal muscle. This allows for the needle to penetrate deep into the muscle tissue.

Choice D rationale:

An angle of 75° is not typically used for any type of injection. It could potentially cause injury to the client if used for an IM injection.

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The nurse is educating her patient on the pumping efficacy of the heart.The nurse knows that the patient understands the teaching when the patient states:

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Naxlex Comprehensive Predictor Exams

Correct Answer is B

Explanation

A nurse is preparing to administer penicillin IM to an adult client.Which of the following angles should the nurse use for injection into the client's ventrogluteal muscle?

Correct Answer is C

Explanation

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The nurse is educating her patient on the pumping efficacy of the heart.
The nurse knows that the patient understands the teaching when the patient states: