ATI RN
Cardiovascular System Exam Questions Pdf
1. What is a condition where the heart's mitral valve does not close properly, causing blood to leak backward into the left atrium?
- A. Mitral valve prolapse
- B. Aortic stenosis
- C. Mitral stenosis
- D. Tricuspid regurgitation
Correct answer: A
Rationale: Mitral valve prolapse is the correct answer. It occurs when the mitral valve does not close properly, leading to blood leaking backward into the left atrium. This condition can manifest with symptoms such as palpitations and chest pain. Choices B, C, and D are incorrect because aortic stenosis involves narrowing of the aortic valve, mitral stenosis is the narrowing of the mitral valve, and tricuspid regurgitation is when blood leaks backward through the tricuspid valve.
2. A patient is prescribed sildenafil (Viagra) for erectile dysfunction. What important contraindication should the nurse emphasize during patient education?
- A. Use of nitrates
- B. History of hypertension
- C. History of peptic ulcer disease
- D. Use of antihypertensive medications
Correct answer: A
Rationale: The correct answer is A: 'Use of nitrates.' Sildenafil (Viagra) is contraindicated in patients using nitrates due to the risk of severe hypotension. Nitrates and sildenafil both cause vasodilation, leading to a synergistic effect that can result in a dangerous drop in blood pressure. Choices B, C, and D are incorrect because they are not direct contraindications for sildenafil use. While a history of hypertension or peptic ulcer disease may require caution, they are not absolute contraindications like the concomitant use of nitrates.
3. Which statement best conveys an aspect of the role of cerebrospinal fluid (CSF)?
- A. CSF provides immune protection to the brain and spinal cord by serving as a physical barrier.
- B. CSF cushions the brain and spinal cord, protecting them from injury.
- C. CSF plays a limited role in the exchange of nutrients and waste products between the blood and brain.
- D. CSF functions primarily as a medium for the transmission of nerve impulses.
Correct answer: B
Rationale: The correct answer is B. Cerebrospinal fluid primarily cushions the brain and spinal cord, protecting them from injury. Choice A is incorrect because while CSF contributes to the brain's immune environment, its main role is not providing immune protection as a physical barrier. Choice C is incorrect because CSF has a significant role in the exchange of nutrients and waste products, rather than a limited one. Choice D is incorrect as CSF is not primarily a medium for nerve impulse transmission, but rather serves as a protective and supportive fluid.
4. A healthcare professional has just inserted an NG tube for a client who is to start enteral tube feedings. Which of the following actions should the healthcare professional take to verify tube placement?
- A. Measure the tube length.
- B. Obtain an abdominal x-ray.
- C. Flush the tube with 20 mL of water.
- D. Auscultate the client’s lungs.
Correct answer: B
Rationale: Obtaining an abdominal x-ray is the most accurate method to verify the correct placement of an NG tube. Measuring the tube length is not a reliable method to confirm placement as it may vary among individuals. Flushing the tube with water and auscultating the client's lungs are not definitive methods to ensure proper NG tube placement.
5. What is the primary goal of patient education?
- A. To enhance clinical skills
- B. To ensure patient safety
- C. To empower patients to take control of their health
- D. To improve patient compliance
Correct answer: C
Rationale: The correct answer is C: 'To empower patients to take control of their health.' Patient education aims to provide individuals with the knowledge and skills necessary to actively participate in managing their health conditions. Choice A, 'To enhance clinical skills,' is incorrect as patient education focuses on empowering patients, not enhancing healthcare providers' skills. Choice B, 'To ensure patient safety,' is incorrect because while patient safety is crucial, the primary goal of patient education is to empower patients. Choice D, 'To improve patient compliance,' is also incorrect as the main aim is to empower patients to make informed decisions and take an active role in their healthcare.
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