ATI LPN
LPN Pharmacology Practice Questions
1. 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.
2. A healthcare professional is assessing a client who has been taking digoxin. Which of the following findings should the healthcare professional report to the provider?
- A. Weight gain
- B. Dry cough
- C. Hypokalemia
- D. Bradycardia
Correct answer: D
Rationale: The correct answer is D: Bradycardia. Bradycardia is a significant finding associated with digoxin toxicity. Digoxin, a medication commonly used to treat heart conditions, can lead to bradycardia as a sign of toxicity. Bradycardia requires immediate attention and reporting to the healthcare provider for further evaluation and management to prevent serious complications. Choices A, B, and C are incorrect because weight gain, dry cough, and hypokalemia are not specific signs of digoxin toxicity. While weight gain can be a side effect of digoxin, it is not a classic sign of toxicity. Dry cough is more commonly associated with medications like ACE inhibitors, and hypokalemia can be a complication of digoxin therapy but is not a direct sign of toxicity.
3. A client with a history of coronary artery disease (CAD) is prescribed atorvastatin (Lipitor). The nurse should teach the client about which common side effect of this medication?
- A. Dry mouth
- B. Muscle pain
- C. Drowsiness
- D. Diarrhea
Correct answer: B
Rationale: Muscle pain is a common side effect of statins like atorvastatin. It is important for the nurse to educate the client about this potential side effect, as it can indicate a serious condition called rhabdomyolysis, which requires immediate medical attention. Dry mouth, drowsiness, and diarrhea are not typically associated with atorvastatin use.
4. The LPN/LVN is assisting in caring for a client in the telemetry unit who is receiving an intravenous infusion of 1000 mL of 5% dextrose with 40 mEq of potassium chloride. Which occurrence observed on the cardiac monitor indicates the presence of hyperkalemia?
- A. Tall, peaked T waves
- B. ST segment depressions
- C. Shortened P-R intervals
- D. Shortening of the QRS complex
Correct answer: A
Rationale: In hyperkalemia, tall, peaked T waves are a distinct ECG finding. These T waves can be seen as a result of increased serum potassium levels, affecting the repolarization phase of the cardiac action potential. It is crucial for healthcare providers to recognize this ECG change promptly as hyperkalemia can lead to serious cardiac arrhythmias and complications. ST segment depressions, shortened P-R intervals, and shortening of the QRS complex are not typically associated with hyperkalemia. ST segment depressions are more indicative of myocardial ischemia or infarction. Shortened P-R intervals may be seen in conditions like Wolff-Parkinson-White syndrome. Shortening of the QRS complex is associated with conditions affecting the conduction system of the heart, such as bundle branch blocks.
5. A client with chronic obstructive pulmonary disease (COPD) is prescribed theophylline. Which adverse effect should the nurse monitor for that indicates toxicity?
- A. Tachycardia
- B. Constipation
- C. Drowsiness
- D. Tremors
Correct answer: A
Rationale: The correct answer is A: Tachycardia. Tachycardia is a common sign of theophylline toxicity. The nurse should monitor the client for an increased heart rate, as it can indicate a dangerous level of theophylline in the body. Prompt medical attention is required if tachycardia is observed to prevent further complications. Choices B, C, and D are incorrect because constipation, drowsiness, and tremors are not typically associated with theophylline toxicity. While theophylline can cause gastrointestinal upset or central nervous system effects, tachycardia is a more specific and serious indicator of toxicity that requires immediate attention.
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