ATI LPN
LPN Pharmacology
1. The nurse is informed during shift report that a client is experiencing occasional ventricular dysrhythmias. The nurse reviews the client's laboratory results, recalling that which electrolyte imbalance could be responsible for this development?
- A. Hypokalemia
- B. Hypernatremia
- C. Hypochloremia
- D. Hypercalcemia
Correct answer: A
Rationale: Hypokalemia, which is low potassium levels, can disrupt the normal electrical activity of the heart and lead to ventricular dysrhythmias. Potassium plays a crucial role in maintaining the heart's rhythm, and a deficiency can result in dangerous heart rhythm abnormalities. Hypernatremia (Choice B), which is high sodium levels, does not directly impact heart rhythm. Hypochloremia (Choice C), which is low chloride levels, is not typically associated with ventricular dysrhythmias. Hypercalcemia (Choice D), which is high calcium levels, is not a common cause of ventricular dysrhythmias.
2. A client with a history of hypertension is being discharged on a low-sodium diet. Which statement by the client indicates a need for further teaching?
- A. I will use fresh herbs and spices instead of salt.
- B. I will avoid canned soups and processed foods.
- C. I can eat as much bacon and sausage as I want because they taste good.
- D. I will read food labels to check for sodium content.
Correct answer: C
Rationale: Choice C is the correct answer because bacon and sausage are high in sodium, which contradicts the low-sodium diet requirement. Consuming them freely would contribute to increased sodium intake, which is not suitable for managing hypertension. Choices A, B, and D demonstrate appropriate understanding and actions for a low-sodium diet, such as using alternatives to salt, avoiding processed foods, and checking food labels for sodium content.
3. A client has a new prescription for metformin. Which of the following instructions should the nurse include?
- A. Take the medication with food.
- B. Monitor for signs of hyperglycemia.
- C. Increase your fluid intake.
- D. Expect a sweet taste in your mouth.
Correct answer: C
Rationale: The correct instruction for a client starting metformin is to increase fluid intake. Metformin commonly causes gastrointestinal discomfort, and increasing fluid intake can help alleviate this side effect. Instructing the client to take the medication with food (Choice A) rather than on an empty stomach is recommended to reduce gastrointestinal side effects. Monitoring for signs of hyperglycemia (Choice B) is not directly related to metformin but rather to low blood sugar. Expecting a sweet taste in the mouth (Choice D) is not a common side effect of metformin.
4. A client with peripheral artery disease (PAD) complains of pain in the legs while walking. Which instruction should the LPN/LVN reinforce to help alleviate the client's symptoms?
- A. Walk until the pain becomes severe, then rest.
- B. Perform leg exercises while sitting.
- C. Elevate the legs on pillows while resting.
- D. Take frequent breaks and walk shorter distances.
Correct answer: D
Rationale: The correct answer is to take frequent breaks and walk shorter distances. This instruction helps alleviate symptoms in clients with peripheral artery disease (PAD) by allowing them to manage pain and discomfort more effectively. Option A is incorrect as waiting for the pain to become severe before resting can exacerbate symptoms. Option B, performing leg exercises while sitting, may not directly address the issue of pain during walking. Option C, elevating the legs on pillows while resting, is beneficial for other conditions like edema but may not specifically help alleviate pain while walking in PAD clients.
5. A client with a history of angina pectoris complains of substernal chest pain. The nurse checks the client's blood pressure and administers nitroglycerin 0.4 mg sublingually. Five minutes later, the client is still experiencing chest pain. What is the next appropriate nursing action?
- A. Administer another dose of nitroglycerin.
- B. Notify the healthcare provider immediately.
- C. Have the client lie down and stay calm.
- D. Give the client aspirin 325 mg to chew.
Correct answer: A
Rationale: If chest pain persists after the first dose of nitroglycerin, it is appropriate to administer a second dose while continuing to monitor the client's response. Nitroglycerin is a vasodilator commonly used to relieve angina symptoms by dilating blood vessels and increasing blood flow to the heart. Reassessing the client's response and providing a second dose may be necessary to achieve adequate pain relief and improve blood flow to the heart. Administering another dose of nitroglycerin is the next appropriate step in managing angina symptoms. Notifying the healthcare provider immediately (Choice B) may be necessary if the client's condition worsens or if there are other concerning symptoms. Having the client lie down and stay calm (Choice C) is generally recommended but addressing the ongoing chest pain takes precedence. Giving the client aspirin 325 mg to chew (Choice D) is beneficial for suspected myocardial infarction but is not the immediate action indicated for persistent angina symptoms.
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