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What term describes a condition where a person experiences difficulty breathing when lying flat and requires multiple pillows to sleep comfortably?
- A. Orthopnea
- B. Dyspnea
- C. Tachypnea
- D. Bradypnea
Correct Answer: A
Rationale: Rationale:
1. Orthopnea refers to difficulty breathing when lying flat, relieved by sitting up.
2. Dyspnea is a general term for difficulty breathing, not specific to lying flat.
3. Tachypnea is rapid breathing, not related to difficulty breathing when lying flat.
4. Bradypnea is slow breathing, not related to difficulty breathing when lying flat.
Thus, the correct answer is A (Orthopnea), as it specifically describes the condition of requiring multiple pillows to sleep comfortably due to difficulty breathing when lying flat.
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You are the charge nurse for the coronary care step-down unit. Which patient is best to assign to an RN who has floated for the day from the general medical-surgical unit?
- A. Patient requiring discharge teaching about coronary artery stenting prior to going home with spouse today.
- B. Patient receiving IV furosemide (Lasix) to treat acute left ventricular failure.
- C. Patient just transferred from the radiology department after a coronary angioplasty.
- D. Patient just admitted with unstable angina and who has orders for a heparin infusion and aspirin
Correct Answer: A
Rationale: Discharge teaching is less complex and allows the floating RN to focus on educating without needing extensive cardiac experience.
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 weakening and rupture of the walls of the alveoli in the lungs, reducing the surface area available for gas exchange?
- A. Emphysema
- B. Bronchitis
- C. Atelectasis
- D. Pulmonary fibrosis
Correct Answer: A
Rationale: Rationale: Emphysema is characterized by weakening and rupture of alveoli walls, reducing gas exchange surface area. This leads to shortness of breath and decreased oxygen levels. Bronchitis involves inflammation of bronchial tubes, not alveoli. Atelectasis is the collapse of lung tissue, not alveoli weakening. Pulmonary fibrosis is scarring of lung tissue, not alveoli rupture. Therefore, A is correct due to its direct association with alveoli damage.
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. Nitrate medications vasodilate blood vessels, including those in the brain, which can lead to headaches. It is the most common side effect and often subsides with continued use. Flushing is also a common side effect but not as prevalent as headaches. Dizziness and nausea are less common side effects associated with nitrates and are usually seen in a smaller percentage of patients compared to headaches. Monitoring for headaches is crucial to ensure patient comfort and compliance with the medication regimen.
What procedure uses a balloon to open narrowed or blocked blood vessels in the heart?
- A. Angioplasty
- B. Coronary artery bypass graft
- C. Stent placement
- D. Valve replacement
Correct Answer: A
Rationale: The correct answer is A: Angioplasty. This procedure uses a balloon to open narrowed or blocked blood vessels in the heart. First, a catheter with a deflated balloon is inserted into the blocked artery. Then, the balloon is inflated to widen the artery and improve blood flow. This is a minimally invasive procedure commonly used to treat coronary artery disease.
Choice B: Coronary artery bypass graft involves using blood vessels from another part of the body to bypass blocked arteries, not using a balloon.
Choice C: Stent placement involves inserting a mesh tube to keep the artery open, but it does not use a balloon to open the vessel.
Choice D: Valve replacement is a procedure to replace damaged heart valves and does not involve using a balloon to open narrowed arteries.