Vasoconstriction, sodium retention, and water reabsorption to increase circulating ﬂuid volume and cardiac output are the primary functions of:

Stroke Volume

Renin-Angiotensin-Aldosterone-System (RAAS)

Brain and Atrial natriuretic peptides (BNP & ANP)

Erythropoietin

Answer and Explanation

The Correct Answer is B

Choice A reason: Stroke Volume refers to the amount of blood pumped by the left ventricle of the heart in one contraction, not to the regulation of ﬂuid volume and cardiac output.

Choice B reason: Renin-Angiotensin-Aldosterone-System (RAAS) is responsible for vasoconstriction, sodium retention, and water reabsorption, which helps to increase circulating ﬂuid volume and cardiac output.

Choice C reason: Brain and Atrial natriuretic peptides (BNP & ANP) actually work to decrease blood volume and pressure, not increase them.

Choice D reason: Erythropoietin primarily stimulates red blood cell production and does not directly aﬀect ﬂuid volume or cardiac output.

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Correct Answer is A

Explanation

Choice A reason (client care): A client reporting shortness of breath may be experiencing a life-threatening situation that aligns with the ABCs (Airway, Breathing, Circulation) of patient prioritization. This client requires immediate assessment and intervention.

Choice B reason (client care): While discharge is important, it does not take precedence over a client with potential respiratory distress.

Choice C reason (client care): A client who received pain medication 30 minutes ago is likely stable and can be seen after more urgent cases are addressed.

Choice D reason (client care): A client waiting for an abdominal x-ray is not a priority over a client with respiratory issues.

A. Right arm muscle spasms B. Temperature of 99.9°F (37.7°C) C. Loss of the right radial pulse D. Pain with right arm movement

Correct Answer is C

Explanation

Choice A reason: Right arm muscle spasms may be uncomfortable but are not as critical as circulatory issues.

Choice B reason: A temperature of 99.9°F (37.7°C) is slightly elevated but not immediately alarming post-surgery.

Choice C reason: Loss of the right radial pulse could indicate a serious complication such as compartment syndrome, which requires urgent atention.

Choice D reason: Pain with arm movement is expected post-surgery but is not as urgent as loss of pulse.

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Vasoconstriction, sodium retention, and water reabsorption to increase circulating ﬂuid volume and cardiac output are the primary functions of:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is C

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