this is a condition where the heart beats too slowly reducing the amount of blood pumped to the body
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Nursing Elites

ATI RN

Cardiovascular System Exam

1. What is a condition where the heart beats too slowly, reducing the amount of blood pumped to the body?

Correct answer: A

Rationale: Bradycardia is the correct answer. It is a condition characterized by a slow heart rate, which reduces the amount of blood pumped to the body. This can lead to symptoms like fatigue and dizziness. Choice B, Tachycardia, is the opposite condition where the heart beats too fast. Choices C and D, Atrial fibrillation and Ventricular fibrillation, refer to irregular and potentially life-threatening rapid heart rhythms involving the atria and ventricles respectively, not a slow heart rate.

2. What is a chronic condition where the blood pressure in the arteries is persistently elevated, increasing the risk of heart disease and stroke?

Correct answer: A

Rationale: Hypertension, also known as high blood pressure, is a chronic condition characterized by persistently elevated pressure in the arteries. This condition increases the risk of heart disease, stroke, and other health issues. Hypotension (choice B) refers to low blood pressure and is not the correct answer. Hyperlipidemia (choice C) is high levels of fats in the blood, not related to blood pressure. Hyperglycemia (choice D) is high blood sugar levels, not directly related to elevated blood pressure.

3. This test measures the amount of blood the heart pumps with each beat, often used to assess heart function.

Correct answer: A

Rationale: The correct answer is A: Ejection fraction. Ejection fraction is a measure of the percentage of blood that is pumped out of the left ventricle with each beat, used to assess heart function. Choice B, Cardiac output, is the total volume of blood pumped by the heart per minute and is not specific to each beat. Choice C, Stroke volume, is the amount of blood ejected by the heart in one contraction but does not specify the percentage of blood pumped out. Choice D, End-diastolic volume, is the volume of blood in the ventricle just before it contracts and does not directly measure the blood pumped with each beat.

4. Which of the following is a chronic lung disease that results in the gradual destruction of the alveoli, causing difficulty breathing and reduced oxygen exchange?

Correct answer: A

Rationale: Emphysema is the correct answer as it is a chronic lung disease characterized by the gradual destruction of the alveoli, which are essential for oxygen exchange. This destruction leads to difficulty breathing and reduced oxygen levels in the blood. Bronchitis is an inflammation of the bronchial tubes, not specifically involving alveoli destruction. Pulmonary hypertension is a condition of high blood pressure in the arteries of the lungs, not directly related to alveoli destruction. Sarcoidosis is a disease characterized by the growth of tiny collections of inflammatory cells in different parts of the body, including the lungs, but it does not primarily involve the destruction of alveoli.

5. The client on spironolactone (Aldactone) has a potassium level of 5.8 mEq/L. What is the nurse’s priority action?

Correct answer: A

Rationale: With a potassium level of 5.8 mEq/L, which is high, the priority action for the nurse is to hold the spironolactone. Spironolactone is a potassium-sparing diuretic that can further increase potassium levels. Therefore, it is crucial to prevent exacerbating hyperkalemia by discontinuing the medication. Notifying the healthcare provider is necessary for further guidance and potential adjustments to the treatment plan. Administering a potassium supplement (Choice B) would be contraindicated since the client already has elevated potassium levels. Continuing the spironolactone as ordered (Choice C) can worsen hyperkalemia. Increasing the dose of spironolactone (Choice D) would be unsafe and exacerbate the high potassium levels.

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