A patient is diagnosed with primary hypertension and asks the nurse what caused the condition.
Which response would the nurse give?

"There is no identified cause!”

"A decrease in plasma renin levels.”

"Too much plaque in the blood vessels.”

"Kidney disease is the most common cause.”

Answer and Explanation

The Correct Answer is A

Choice B rationale:

A decrease in plasma renin levels is not a known cause of primary hypertension. Primary hypertension often has no identifiable cause, and it is a diagnosis of exclusion.

Choice C rationale:

Too much plaque in the blood vessels describes atherosclerosis, which is a risk factor for hypertension but not the direct cause of primary hypertension. Plaque buildup narrows arteries and increases resistance, contributing to elevated blood pressure.

Choice D rationale:

Kidney disease can cause secondary hypertension but is not the most common cause of primary hypertension. Primary hypertension, also known as essential hypertension, is the most common form, and its exact cause remains unknown in many cases.

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Correct Answer is ["A","D"]

Explanation

Choice A rationale:

Eliminating excess H+ ions (hydrogen ions) is a primary mechanism the kidneys use to buffer acidosis. In acidosis, there is an excess of hydrogen ions in the body, leading to a decrease in pH. The kidneys help regulate the body's pH by excreting hydrogen ions to lower acidity.

Choice B rationale:

Excreting excess water is not a specific acid-base mechanism related to acidosis. While maintaining proper hydration is important for overall health, it does not directly influence the body's acid-base balance in the context of acidosis.

Choice C rationale:

Eliminating excess CO2 is primarily a respiratory mechanism, not a kidney function. CO2 elimination is more related to the lungs' ability to regulate the body's pH by adjusting respiratory rate and depth.

Choice D rationale:

Reabsorbing additional HCO3- ions (bicarbonate ions) is a renal mechanism to buffer acidosis. Bicarbonate ions act as a base and can neutralize excess hydrogen ions, raising the pH of the body fluids.

Choice E rationale:

Reabsorbing additional sodium ions is not a specific acid-base mechanism related to acidosis. While sodium ions are important for various physiological processes, they do not play a direct role in buffering acidosis.

A. Triple-drug therapy. B. IV therapy. C. Quadruple-drug therapy. D. Cobalamin replacement therapy.

Correct Answer is D

Explanation

Choice A rationale:
Triple-drug therapy is not the standard treatment for pernicious anemia after a gastrectomy. Pernicious anemia is primarily caused by vitamin B12 deficiency due to the absence of intrinsic factor, which is essential for vitamin B12 absorption.
Choice B rationale:
IV therapy is a broad term and does not specify the treatment for pernicious anemia. In the context of pernicious anemia, cobalamin replacement therapy administered via intramuscular injections is the preferred treatment.
Choice C rationale:
Quadruple-drug therapy is not a recognized treatment for pernicious anemia. The primary treatment for pernicious anemia involves cobalamin replacement therapy to address the vitamin B12 deficiency.
Choice D rationale:
Cobalamin replacement therapy is the appropriate treatment for pernicious anemia after a gastrectomy. Since the patient lacks intrinsic factor, which is necessary for vitamin B12 absorption, cobalamin replacement therapy bypasses the need for intrinsic factor and provides the necessary vitamin B12 directly.

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A patient is diagnosed with primary hypertension and asks the nurse what caused the condition.Which response would the nurse give?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which acid-base mechanism would the kidney use to buffer a patient's acidosis (serum pH <7.35)? Select all that apply.One, some, or all responses may be correct.

Correct Answer is ["A","D"]

Explanation

Which treatment is likely to be planned for a patient who develops pernicious anemia after a gastrectomy?

Correct Answer is D

Explanation

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The nurse recognizes that patients with von Willebrand disease are at risk for prolonged bleeding times for which reason?

Which manifestation is related to target organ disease from hypertension? Select all that apply.One, some, or all responses may be correct.

A patient is diagnosed with primary hypertension and asks the nurse what caused the condition.
Which response would the nurse give?