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.”
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Buffers do not excrete weak acids; instead, they help regulate the pH of bodily fluids by preventing drastic changes in acidity or alkalinity.
Choice B rationale:
Buffers do not secrete hydrogen ions. In fact, buffers can either absorb or release hydrogen ions to maintain a stable pH.
Choice C rationale:
To convert strong acids to weak acids is the correct answer. Buffers are substances that can neutralize both acids and bases, helping to maintain a stable pH in a solution. They achieve this by accepting hydrogen ions from strong acids or donating hydrogen ions to strong bases, converting them into weaker acids or bases, respectively.
Choice D rationale:
Buffers do not convert ammonia to ammonium ions. This conversion is a part of the body's acid-base regulation system, but it is not the primary function of buffers.
Correct Answer is B
Explanation
Choice A rationale:
Hemophilia is a hereditary disorder caused by a deficiency of specific clotting factors, and it is indeed hereditary in nature. This statement is incorrect.
Choice B rationale:
Hemophilia is a bleeding disorder where the blood does not clot properly. Replacement therapy, which involves infusing clotting factor concentrates, is a standard treatment for hemophilia. This statement is correct.
Choice C rationale:
Hemophilia is an X-linked recessive genetic disorder, not dominant. Males are more commonly affected because they have only one X chromosome, and if it carries the defective gene, they will have hemophilia. Females have two X chromosomes, and if one X chromosome carries the defective gene, the other X chromosome can compensate, making them carriers but not typically affected.
Choice D rationale:
Hemophilia A is the most common form of hemophilia, not hemophilia B.
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