A 75-year-old male experiences severe chest pain and calls 911.
Given that lab findings indicate elevated levels of cardiac troponins I and T, what condition does the nurse suspect?
Orthostatic hypotension.
Raynaud disease.
Angina.
Myocardial infarction (MI).
The Correct Answer is D
Choice A rationale
Orthostatic hypotension, a form of low blood pressure that happens when you stand up from sitting or lying down, would not typically cause severe chest pain or result in elevated levels of cardiac troponins I and T6.
Choice B rationale
Raynaud’s disease, a condition that causes some areas of your body — such as your fingers and toes — to feel numb and cold in response to cold temperatures or stress, would not typically cause severe chest pain or result in elevated levels of cardiac troponins I and T6.
Choice C rationale
Angina, a type of chest pain caused by reduced blood flow to the heart, could cause severe chest pain, but it would not typically result in elevated levels of cardiac troponins I and T6. Elevated troponin levels are more indicative of damage to the heart muscle, which is not characteristic of angina.
Choice D rationale
A myocardial infarction (MI), also known as a heart attack, could cause severe chest pain and would typically result in elevated levels of cardiac troponins I and T7. Troponins are proteins found in the heart muscle, and levels can rise in the blood when there is damage to the heart, such as during an MI.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Daily alcohol use is not a direct contraindication for Propranolol (Inderal), but it’s important to note that alcohol can increase the blood pressure-lowering effect of propranolol, which can make you feel dizzy or lightheaded.
Choice B rationale
Propranolol is often used in the treatment of conditions related to heart disease, such as hypertension and angina, and it can also be used in the secondary prevention of myocardial infarction.
Choice C rationale
Asthma is a contraindication for the use of Propranolol (Inderal). Propranolol can cause bronchial constriction by blocking beta-adrenergic receptors in the lungs, which can exacerbate asthma symptoms.
Choice D rationale
Peptic ulcer disease is not a direct contraindication for Propranolol (Inderal). However, like any medication, Propranolol should be used with caution in patients with a history of peptic ulcer disease.
Correct Answer is D
Explanation
Choice A rationale
Increasing glomerular filtration would result in increased urine output, not decreased venous return. This action is not directly related to the therapeutic action of nitroglycerin.
Choice B rationale
While enhancing the contractility of the myocardium would increase oxygen delivery, this is not the primary action of nitroglycerin. Nitroglycerin primarily works by dilating the blood vessels, which reduces the amount of work the heart has to do and increases the blood supply to the heart muscle.
Choice C rationale
Nitroglycerin does not produce an immediate analgesic effect. While it can relieve chest pain, it does so by increasing blood flow to the heart, not by acting as an analgesic.
Choice D rationale
Nitroglycerin increases the coronary blood supply and decreases the afterload314. By dilating the blood vessels, nitroglycerin reduces the amount of work the heart has to do and increases the blood supply to the heart muscle. This is the primary therapeutic action of nitroglycerin in alleviating chest pain.
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