ATI LPN
Pharmacology for LPN
1. A client with chronic stable angina is prescribed nitroglycerin (Nitrostat) for chest pain. The nurse should include which instruction when teaching the client about this medication?
- A. Take nitroglycerin at the first sign of chest pain.
- B. Swallow the tablet whole with water.
- C. Take nitroglycerin with meals to prevent stomach upset.
- D. Store nitroglycerin in a cool, dry place.
Correct answer: A
Rationale: The correct instruction when teaching a client about nitroglycerin (Nitrostat) is to take it at the first sign of chest pain. Nitroglycerin works rapidly to dilate blood vessels, improving blood flow to the heart muscle. Taking it promptly can help alleviate symptoms quickly and prevent the condition from worsening. Choice B is incorrect because nitroglycerin is usually taken sublingually (under the tongue) and not swallowed. Choice C is incorrect because nitroglycerin is not typically taken with meals. Choice D is incorrect because nitroglycerin should be stored in its original container away from heat and light.
2. A client in the emergency department is bleeding profusely from a gunshot wound to the abdomen. In what position should the nurse immediately place the client to promote maintenance of the client's blood pressure above a systolic pressure of 90 mm Hg?
- A. Place the client in a 45-degree Trendelenburg position to promote cerebral blood flow.
- B. Turn the client prone to apply pressure on the abdominal wound to help staunch the bleeding.
- C. Maintain the client in a supine position to reduce diaphragmatic pressure and visualize the wound.
- D. Put the client on the right side to apply pressure to the liver and spleen to stop hemorrhaging.
Correct answer: C
Rationale: In a client with profuse bleeding from a gunshot wound to the abdomen, maintaining the client in a supine position is essential to manage blood pressure. This position helps in reducing diaphragmatic pressure and allows for proper visualization of the wound, aiding in prompt assessment and intervention to control the bleeding and stabilize the client's condition. Placing the client in a 45-degree Trendelenburg position (Choice A) could worsen the bleeding by increasing intrathoracic pressure and venous return, potentially leading to further hemorrhage. Turning the client prone (Choice B) may not be feasible in this situation and can delay essential interventions. Placing the client on the right side (Choice D) does not address the immediate need to manage the bleeding and stabilize the client's condition.
3. The healthcare provider is caring for a client with hypertension who is receiving a beta blocker. The provider should monitor for which potential side effect?
- A. Tachycardia
- B. Bradycardia
- C. Hypertension
- D. Hyperglycemia
Correct answer: B
Rationale: Corrected Rationale: Beta blockers are medications that can cause bradycardia by slowing down the heart rate. It is essential to monitor for this side effect in clients receiving beta blockers, as it can lead to serious complications such as decreased cardiac output and hypotension. Choices A, C, and D are incorrect because beta blockers are not expected to cause tachycardia (fast heart rate), hypertension (high blood pressure), or hyperglycemia (high blood sugar levels).
4. A client with a diagnosis of myocardial infarction has a new activity prescription allowing the client to have bathroom privileges. As the client stands and begins to walk, the client begins to complain of chest pain. The nurse should take which action?
- A. Assist the client to get back into bed.
- B. Report the chest pain episode to the healthcare provider.
- C. Tell the client to stand still and take the client's blood pressure.
- D. Give a nitroglycerin (Nitrostat) tablet and assist the client to the bathroom.
Correct answer: A
Rationale: In a client with myocardial infarction experiencing chest pain during activity, the priority action is to stop the activity immediately to reduce the heart's workload and oxygen demand. Assisting the client back to bed helps in reducing stress on the heart and can prevent worsening of the condition. Reporting the chest pain episode to the healthcare provider is important but should not delay taking immediate action to alleviate symptoms. Taking the client's blood pressure and administering nitroglycerin are secondary actions after ensuring the client's safety and comfort. Therefore, the correct action is to assist the client back into bed.
5. The client with a diagnosis of heart failure is receiving furosemide (Lasix). Which laboratory value is most important for the nurse to monitor?
- A. Blood glucose
- B. Serum sodium
- C. Serum potassium
- D. Blood urea nitrogen (BUN)
Correct answer: C
Rationale: The correct answer is C: Serum potassium. When a client is receiving furosemide, a loop diuretic, it can lead to potassium loss. Monitoring the serum potassium levels is crucial to prevent life-threatening complications such as cardiac arrhythmias. Blood glucose (Choice A) is not directly impacted by furosemide. Serum sodium (Choice B) may be affected, but monitoring potassium is more critical due to the risk of arrhythmias. Blood urea nitrogen (BUN) (Choice D) is important for assessing kidney function but is not the most crucial value to monitor in a client taking furosemide.
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