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: Lactated Ringer's solution does not provide the necessary glucose and may not be compatible with TPN.
Choice B reason: 0.45% sodium chloride (0.45% NaCl) is a hypotonic solution and does not provide adequate calories for a patient on TPN.
Choice C reason: 10% dextrose in water (D10W) is the appropriate choice as it provides a source of calories and prevents hypoglycemia until the next TPN bag is available.
Choice D reason: 5% dextrose in lactated Ringer's solution (D5LR) provides less dextrose than D10W and may not prevent hypoglycemia as effectively.
Correct Answer is C
Explanation
Choice A reason: While it is important to address any questions the patient may have, it is not the highest priority before an IVP procedure.
Choice B reason: Asking the patient to void before the procedure is a standard practice, but it is not the highest priority. The bladder should be empty to allow for clear imaging, but this can be managed at the time of the procedure.
Choice C reason: Checking for an allergy to iodine or shellfish is the highest priority because the contrast medium used in an IVP can cause severe allergic reactions in patients with these allergies. This assessment must be done before administering the contrast to prevent potentially life-threatening complications.
Choice D reason: Assessing the client's ability to remain still is important for the quality of the images, but it is not as critical as ensuring the safety of the patient regarding potential allergic reactions.
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