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:
Serotonin is a neurotransmitter that plays a role in mood regulation, sleep, and other functions in the body. It is not a component that forms an adhesive bridge between platelets and vascular subendothelial structures in the clotting process.
Choice B rationale:
Platelet factor III is not a component that forms an adhesive bridge between platelets and vascular subendothelial structures in the clotting process. Platelet factor III is not widely recognized in the context of clotting; it is more commonly referred to as tissue factor and is involved in the extrinsic pathway of coagulation.
Choice C rationale:
Von Willebrand factor (VWF) is a protein that plays a crucial role in hemostasis. It forms an adhesive bridge between platelets and vascular subendothelial structures, particularly at sites of vascular injury. VWF helps platelets adhere to the injured vessel wall, leading to the formation of a stable blood clot. This process is essential for preventing excessive bleeding. A deficiency or dysfunction in VWF can lead to von Willebrand disease, a bleeding disorder characterized by prolonged bleeding times.
Choice D rationale:
Adenosine diphosphate (ADP) is a molecule released by platelets when they are activated. ADP helps in the aggregation of platelets, but it does not directly form an adhesive bridge between platelets and vascular subendothelial structures.
Correct Answer is D
Explanation
Choice A rationale:
A lumbar puncture is not typically performed to rule out bone marrow involvement in non-Hodgkin lymphoma. Imaging studies and bone marrow biopsies are more appropriate for evaluating bone marrow involvement.
Choice B rationale:
Determining the level of cell differentiation is not the primary purpose of a lumbar puncture in non-Hodgkin lymphoma. This information is usually obtained from a biopsy of the affected lymph nodes or organs.
Choice C rationale:
Identifying the specific lymph cell type involved is not the main objective of a lumbar puncture in non-Hodgkin lymphoma. This information is usually determined through lymph node biopsy and other imaging studies.
Choice D rationale:
The purpose of a lumbar puncture in non-Hodgkin lymphoma is to find any central nervous system involvement. Lymphoma cells can spread to the central nervous system, and a lumbar puncture allows for the examination of cerebrospinal fluid to detect any cancerous cells, which can guide treatment decisions.
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