Nokea
The client is on amiodarone and reports blurred vision. What is the nurse's best response?
- A. Reassure the client that this is a common side effect.
- B. Instruct the client to report this symptom to the healthcare provider immediately.
- C. Advise the client to stop taking the medication.
- D. Discontinue the amiodarone immediately.
Correct Answer: B
Rationale: The correct answer is B because blurred vision can be a serious side effect of amiodarone indicating potential optic nerve damage. Instructing the client to report this symptom to the healthcare provider immediately is crucial for further evaluation and management. Choice A is incorrect as blurred vision should not be dismissed as a common side effect. Choices C and D are incorrect as advising the client to stop or discontinue the medication abruptly can be harmful and should only be done under healthcare provider guidance.
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What procedure uses a catheter to open blocked coronary arteries and improve blood flow to the heart muscle?
- A. Angioplasty
- B. Stent placement
- C. Coronary artery bypass graft (CABG)
- D. Valve replacement
Correct Answer: A
Rationale: The correct answer is A: Angioplasty. Angioplasty involves using a catheter with a balloon to open blocked coronary arteries, improving blood flow to the heart muscle. The balloon is inflated to compress the plaque against the artery walls, restoring blood flow. Stent placement (B) involves inserting a mesh tube to keep the artery open after angioplasty. CABG (C) is a surgical procedure that uses grafts to bypass blocked coronary arteries. Valve replacement (D) is a procedure to replace damaged heart valves, not specifically for opening blocked coronary arteries.
Which condition is characterized by the sudden onset of shortness of breath, often occurring at night and associated with heart failure?
- A. Paroxysmal nocturnal dyspnea
- B. Sleep apnea
- C. Orthopnea
- D. Dyspnea
Correct Answer: A
Rationale: The correct answer is A: Paroxysmal nocturnal dyspnea. This condition is characterized by sudden onset of shortness of breath at night, often associated with heart failure. It occurs when a person lies down due to fluid redistribution in the body, leading to increased pressure on the lungs and heart. Sleep apnea (B) is a separate condition characterized by pauses in breathing during sleep. Orthopnea (C) is difficulty breathing while lying flat, relieved by sitting up. Dyspnea (D) is a general term for shortness of breath but does not specifically refer to the sudden onset at night associated with heart failure.
What is the average cardiac output?
- A. Approximately 4 to 6 L per minute
- B. Approximately 4 to 8 L per minute
- C. Approximately 5 to 8 L per minute
- D. Approximately 3 to 7 L per minute
Correct Answer: B
Rationale: The correct answer is B (Approximately 4 to 8 L per minute) because the average cardiac output in a healthy adult at rest is around 5 L per minute. This range of 4 to 8 L per minute encompasses the typical cardiac output values. Choice A (Approximately 4 to 6 L per minute) is too narrow and excludes the upper range, while Choice C (Approximately 5 to 8 L per minute) is slightly broader but still within the acceptable range. Choice D (Approximately 3 to 7 L per minute) is too low and does not cover the full spectrum of average cardiac output values.
What test measures the oxygen level in the blood, often used to monitor patients with respiratory or cardiovascular conditions?
- A. Pulse oximetry
- B. Arterial blood gas (ABG)
- C. Echocardiogram
- D. Chest X-ray
Correct Answer: A
Rationale: The correct answer is A: Pulse oximetry. This test measures the oxygen saturation level in the blood by using a device called a pulse oximeter, which is commonly placed on a patient's finger. Pulse oximetry is non-invasive, quick, and reliable in assessing oxygen levels. Arterial blood gas (B) measures oxygen and carbon dioxide levels directly from arterial blood samples, but it is more invasive and requires a blood draw. Echocardiogram (C) is an ultrasound test that evaluates the heart's structure and function, not specifically oxygen levels. Chest X-ray (D) provides images of the lungs and chest area but does not directly measure oxygen levels in the blood.
What condition is characterized by the inflammation of the pleura, causing sharp chest pain that worsens with breathing?
- A. Pleurisy
- B. Pericarditis
- C. Endocarditis
- D. Myocarditis
Correct Answer: A
Rationale: The correct answer is A: Pleurisy. Pleurisy is characterized by inflammation of the pleura, the lining surrounding the lungs, causing sharp chest pain exacerbated by breathing. Pericarditis (B) is inflammation of the pericardium, the lining around the heart, not the pleura. Endocarditis (C) is inflammation of the inner lining of the heart chambers and valves, not the pleura. Myocarditis (D) is inflammation of the heart muscle, not the pleura. Therefore, based on the symptoms described in the question, Pleurisy is the most appropriate diagnosis.