A patient with CAD is asking the nurse about the mechanisms of the heart.
It would be appropriate for the nurse to respond that when the left ventricle contracts, it pushes blood through the semilunar valve to the:

Pulmonary vein.

Pulmonary artery.

Aorta.

Inferior vena cava.

Answer and Explanation

The Correct Answer is C

Choice A rationale:

This statement is incorrect because the pulmonary vein carries oxygenated blood from the lungs to the left atrium, not from the left ventricle.

Choice B rationale:

This statement is incorrect because the pulmonary artery carries deoxygenated blood from the right ventricle to the lungs, not from the left ventricle.

Choice C rationale:

This statement is correct. When the left ventricle contracts, it pushes blood through the aortic semilunar valve into the aorta, the largest artery in the body.

Choice D rationale:

This statement is incorrect because the inferior vena cava carries deoxygenated blood from the lower half of the body to the right atrium, not from the left ventricle.

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Correct Answer is A

Explanation

Choice A rationale:

Tachycardia, or a rapid heart rate, is a common early sign of hypovolemic shock as the body tries to compensate for the decreased blood volume by increasing the heart rate.

Choice B rationale:

Diminished urine output is a sign of hypovolemic shock, but it is not typically an early sign.

Choice C rationale:

Cold, clammy skin is a sign of hypovolemic shock, but it is not typically an early sign.

Choice D rationale:

Unconsciousness is a late sign of hypovolemic shock, indicating severe blood loss and inadequate perfusion to the brain.

A. 108/60 mm Hg. B. 154/96 mm Hg. C. 164/104 mm Hg. D. 128/88 mm Hg.

Correct Answer is B

Explanation

The correct answer is choice B.

Choice A rationale:

A blood pressure of 108/60 mm Hg is considered normal, as it is less than 120/80 mm Hg.

Choice B rationale:

A blood pressure of 154/96 mm Hg falls into the category of stage 1 hypertension. Stage 1 hypertension is classified as a systolic blood pressure reading that falls between 130 and 139 mm Hg or a diastolic reading that is between 80 and 89 mm Hg.

Choice C rationale:

A blood pressure of 164/104 mm Hg is considered stage 2 hypertension, as the systolic blood pressure is 140 mm Hg or higher, or the diastolic pressure is 90 mm Hg or higher.

Choice D rationale:

A blood pressure of 128/88 mm Hg is considered elevated, as the systolic blood pressure ranges from 120 to 129 mm Hg and the diastolic blood pressure is below 80 mm Hg.

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A patient with CAD is asking the nurse about the mechanisms of the heart.It would be appropriate for the nurse to respond that when the left ventricle contracts, it pushes blood through the semilunar valve to the:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse assisting in the collection of data for a client who is in the early compensatory stage of hypovolemic shock.Which of the following findings should the nurse expect?

Correct Answer is A

Explanation

A nurse is reviewing blood pressure classifications with a client who has been newly diagnosed with hypertension. Which of the following should the nurse include as an example of stage 1 hypertension?

Correct Answer is B

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:

A patient with CAD is asking the nurse about the mechanisms of the heart.
It would be appropriate for the nurse to respond that when the left ventricle contracts, it pushes blood through the semilunar valve to the: