Stimulation of the sympathetic nervous system produces which of the following responses? A. Bradycardia B. Tachycardia C. Hypotension D. Decreased myocardial contractility Correct Answer: B. Tachycardia Stimulation of the sympathetic nervous system causes tachycardia and increased contractility. The other symptoms listed are related to the parasympathetic nervous… Read More »
Medical treatment of coronary artery disease includes which of the following procedures? A. Cardiac catheterization B. Coronary artery bypass surgery C. Oral medication therapy D. Percutaneous transluminal coronary angioplasty Correct Answer: C. Oral medication therapy Oral medication administration is a noninvasive, medical treatment for coronary artery disease.… Read More »
Which of the following conditions is most closely associated with weight gain, nausea, and a decrease in urine output? A. Angina pectoris B. Cardiomyopathy C. Left-sided heart failure D. Right-sided heart failure Correct Answer: D. Right-sided heart failure Weight gain, nausea, and a decrease in urine output are secondary… Read More »
Which of the following heart muscle diseases is unrelated to other cardiovascular diseases? A. Cardiomyopathy B. Coronary artery disease C. Myocardial infarction D. Pericardial effusion Correct Answer: A. Cardiomyopathy Cardiomyopathy isn’t usually related to an underlying heart disease such as atherosclerosis. The etiology in most cases is… Read More »
Which of the following types of cardiomyopathy can be associated with childbirth? A. Dilated B. Hypertrophic C. Myocarditis D. Restrictive Correct Answer: A. Dilated Although the cause isn’t entirely known, cardiac dilation and heart failure may develop during the last month of pregnancy or the first few… Read More »
Septal involvement occurs in which type of cardiomyopathy? A. Congestive B. Dilated C. Hypertrophic D. Restrictive Correct Answer: C. Hypertrophic In hypertrophic cardiomyopathy, hypertrophy of the ventricular septum—not the ventricle chambers—is apparent. This abnormality isn’t seen in other types of cardiomyopathy. Ventricular hypertrophy results in a dynamic… Read More »
Which of the following recurring conditions most commonly occurs in clients with cardiomyopathy? A. Heart failure B. Diabetes C. MI D. Pericardial effusion Correct Answer: A. Heart failure Because the structure and function of the heart muscle is affected, heart failure most commonly occurs in clients with cardiomyopathy. Heart… Read More »
Dyspnea, cough, expectoration, weakness, and edema are classic signs and symptoms of which of the following conditions? A. Pericarditis B. Hypertension C. MI D. Heart failure Correct Answer: D. Heart failure These are the classic signs of failure. Acute and subacute presentations (days to weeks) are characterized… Read More »
In which of the following types of cardiomyopathy does cardiac output remain normal? A. Dilated B. Hypertrophic C. Obliterative D. Restrictive Correct Answer: B. Hypertrophic Cardiac output isn’t affected by hypertrophic cardiomyopathy because the size of the ventricle remains relatively unchanged. All other choices cause decrease cardiac… Read More »
Which of the following cardiac conditions does a fourth heart sound (S4) indicate? A. Dilated aorta. B. Normally functioning heart. C. Decreased myocardial contractility. D. Failure of the ventricle to eject all of the blood during systole. Correct Answer: D. Failure of the ventricle to eject all… Read More »