ATI RN
Cardiovascular System Exam Questions
1. The nurse is preparing to administer a beta blocker to a client with hypertension. What is the priority assessment?
- A. Check the client's heart rate.
- B. Check the client's blood pressure.
- C. Check the client's respiratory rate.
- D. Check the client's temperature.
Correct answer: B
Rationale: The correct answer is to check the client's blood pressure. Before administering a beta blocker to a client with hypertension, assessing the blood pressure is crucial because beta blockers can cause hypotension, potentially leading to adverse effects. Checking the heart rate may also be important but is secondary to monitoring the blood pressure in this scenario. Respiratory rate and temperature assessments are not directly related to assessing the client's response to a beta blocker in hypertension management, making choices C and D less relevant.
2. The client is on dobutamine. Adverse effects of Dobutrex (dobutamine) include the following: Select all that apply.
- A. Heart failure
- B. Bradycardia
- C. Tachycardia
- D. Respiratory distress
Correct answer: C
Rationale: The correct answer is C: Tachycardia. Dobutamine is a medication that primarily increases heart rate (tachycardia) and blood pressure. Therefore, the adverse effects of dobutamine include tachycardia. Choices A, B, and D are incorrect. Heart failure is not an adverse effect of dobutamine; in fact, it is used to treat heart failure by increasing heart contractility. Bradycardia (slow heart rate) is not an expected adverse effect of dobutamine, as it usually increases heart rate. Respiratory distress is not a common adverse effect of dobutamine.
3. What is the condition where the arteries in the brain become blocked or narrowed, leading to reduced blood flow and a potential stroke?
- A. Cerebral atherosclerosis
- B. Coronary artery disease
- C. Pulmonary embolism
- D. Peripheral artery disease
Correct answer: A
Rationale: Cerebral atherosclerosis is the correct answer. It is a condition where the arteries in the brain become blocked or narrowed due to plaque buildup, leading to reduced blood flow and an increased risk of stroke. Choice B, Coronary artery disease, specifically affects the arteries supplying blood to the heart, not the brain. Choice C, Pulmonary embolism, involves a blockage in the pulmonary artery that affects blood flow to the lungs, not the brain. Choice D, Peripheral artery disease, refers to a condition where blockages occur in arteries outside of the heart and brain, typically affecting the limbs.
4. The client is on a nitrate for angina. What is the most common side effect the nurse should monitor for?
- A. Headache
- B. Flushing
- C. Dizziness
- D. Nausea
Correct answer: A
Rationale: The correct answer is A, Headache. Nitrates commonly cause headaches as a side effect due to vasodilation. Flushing, dizziness, and nausea are less common side effects associated with nitrates. Flushing is more related to the dilation of blood vessels closer to the skin's surface, dizziness could occur but is not as common as headaches, and nausea is a less typical side effect of nitrates.
5. What type of imaging test uses X-rays to visualize the blood vessels after injecting them with a contrast dye?
- A. Angiography
- B. CT scan
- C. MRI
- D. Ultrasound
Correct answer: A
Rationale: Angiography is the correct answer because it is an imaging test that specifically uses X-rays to visualize blood vessels by injecting them with a contrast dye. This procedure is crucial for diagnosing conditions such as blockages or aneurysms. The other options, CT scan, MRI, and ultrasound, do not involve the use of contrast dye to visualize blood vessels with X-rays.
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