(1 point). Listen.
A nurse is discussing the substance that mediates arteriolar remodeling in hypertension.
Which substance is the nurse describing?
Sodium.
Lactic acid.
Glycogen.
Angiotensin I. .
The Correct Answer is D
Choice A rationale:
Sodium is not the substance that mediates arteriolar remodeling in hypertension. While sodium intake can influence blood pressure, it is not the primary mediator of arteriolar remodeling.
Choice B rationale:
Lactic acid is not the substance that mediates arteriolar remodeling in hypertension. Lactic acid is produced during anaerobic metabolism and is not directly related to the processes that lead to hypertension.
Choice C rationale:
Glycogen is not the substance that mediates arteriolar remodeling in hypertension. Glycogen is a storage form of glucose in the body and is not directly involved in the pathophysiology of hypertension.
Choice D rationale:
Angiotensin I is the precursor to angiotensin II, which is a potent vasoconstrictor and a key mediator of arteriolar remodeling in hypertension. Angiotensin II leads to increased vascular resistance, which contributes to elevated blood pressure in hypertensive individuals. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
Pain and edema in the affected limb are typical assessment findings of deep vein thrombosis (DVT) in the lower leg. This is due to the obstruction of blood flow by the thrombus, which leads to swelling and discomfort in the affected limb.
Choice B rationale:
Muscle paralysis and paresthesia are not typical assessment findings of DVT in the lower leg. DVT is more commonly associated with pain and swelling, rather than muscle paralysis or paresthesia.
Choice C rationale:
Reduced pulses in the foot may occur in severe cases of DVT, but it is not one of the primary and typical assessment findings. Pain and edema are more common and reliable indicators of DVT.
Choice D rationale:
Correct Answer is D
Explanation
Choice A rationale:
Decreases in the supply or an increase in demand for sodium are not the primary components in the development of acute coronary syndromes. Acute coronary syndromes primarily involve the blood supply to the heart muscle, and sodium levels are not directly related to this condition.
Choice B rationale:
Glucose levels do not play a central role in the development of acute coronary syndromes. While glucose metabolism is important for the heart's energy needs, acute coronary syndromes are primarily related to changes in blood flow and oxygen supply to the heart.
Choice C rationale:
Myoglobin is not the most important component in the development of acute coronary syndromes. Myoglobin is a protein found in muscle tissue, including the heart, but its release into the bloodstream is not specific to acute coronary syndromes. It can be elevated in various conditions, including muscle injury.
Choice D rationale:
The most important component in the development of acute coronary syndromes is a decrease in the supply or an increase in demand for oxygen. Acute coronary syndromes, such as myocardial infarction (heart attack), are typically caused by a disruption in the blood supply to the heart muscle, leading to ischemia and, ultimately, tissue damage. This results in an increased demand for oxygen while the supply is compromised, which can lead to chest pain, tissue injury, and potentially life-threatening consequences. .
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