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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: While disturbed body image is a concern, it is not the highest priority for a patient undergoing a bone marrow transplant.
Choice B reason: Anxiety is important to address but does not take precedence over physical health concerns in the immediate post-transplant period.
Choice C reason: Ineffective protection is the highest priority because patients undergoing bone marrow transplants have compromised immune systems and are at high risk for infection.
Choice D reason: Imbalanced nutrition is a concern but is secondary to the risk of infection in the immediate care of a patient post bone marrow transplant.
Correct Answer is D
Explanation
Choice A reason: While it is useful to know the patient's current pain management strategies, new onset severe back pain could indicate a serious complication such as a spinal fracture or compression, which requires immediate attention.
Choice B reason: Reassuring the patient is not appropriate without further assessment, as new onset severe pain could signify a serious issue that needs to be addressed.
Choice C reason: Suggesting a back brace may be part of the management plan, but it should not precede notifying the healthcare provider of new severe pain.
Choice D reason: Notifying the healthcare provider is the correct action because new onset severe back pain in a patient with multiple myeloma could indicate a serious condition such as a spinal fracture or compression, which requires prompt evaluation and treatment.
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