HESI LPN
Pharmacology HESI 2023 Quizlet
1. Which assessment finding requires nursing intervention prior to the administration of medication?
- A. Apical pulse heard best at the pulmonic site
- B. Irregular apical pulse rhythm
- C. Presence of a systolic heart murmur
- D. Apical pulse rate of 50 beats/minute
Correct answer: D
Rationale: An apical pulse rate of 50 beats/minute indicates bradycardia, a heart rate below the normal range, which requires immediate nursing intervention before administering medication to address the potential impact of the bradycardia on the patient's overall condition.
2. A client arrives at the emergency department experiencing diabetic ketoacidosis (DKA). The healthcare provider prescribes an insulin intravenous drip. Which type of insulin should the nurse locate for the registered nurse to mix into the intravenous fluids?
- A. Isophane
- B. Glargine
- C. Regular
- D. Detemir
Correct answer: C
Rationale: The correct insulin type for the nurse to mix into the intravenous fluids is regular insulin. In the scenario of diabetic ketoacidosis (DKA), rapid reduction of blood glucose levels is crucial. Regular insulin has a fast onset of action, making it suitable for intravenous administration to address the high blood sugar levels seen in DKA. Isophane, Glargine, and Detemir are not appropriate choices for intravenous administration in this emergency situation as they are intermediate-acting or long-acting insulins which do not provide the rapid response needed in DKA.
3. What class of laxative would the nurse recommend to a patient asking about the best way to prevent constipation?
- A. Stimulant laxatives
- B. Bulk-forming laxatives
- C. Emollient laxatives
- D. Hyperosmotic laxatives
Correct answer: B
Rationale: The correct answer is B: Bulk-forming laxatives. These laxatives are recommended to prevent constipation because they work by absorbing liquid in the intestines, forming a bulky, soft stool that is easier to pass. They are safe and considered the most natural option. Stimulant laxatives (choice A) work by promoting bowel movements through intestinal contractions and are more suitable for treating occasional constipation rather than preventing it. Emollient laxatives (choice C) soften the stool by increasing the incorporation of water into the feces and are more suitable for patients who need to avoid straining during defecation. Hyperosmotic laxatives (choice D) work by drawing water into the intestine through osmosis and are typically used for more severe cases of constipation, not for prevention.
4. A client is receiving metronidazole for Clostridium difficile pseudomembranous colitis. Which information should the nurse include in this client's medication teaching plan?
- A. Drink adequate water daily
- B. Take with food
- C. Avoid alcohol consumption
- D. Store medication in the refrigerator
Correct answer: C
Rationale: The correct information to include in the medication teaching plan for a client receiving metronidazole for Clostridium difficile pseudomembranous colitis is to avoid alcohol consumption. Metronidazole can cause a disulfiram-like reaction when combined with alcohol, leading to symptoms such as nausea, vomiting, flushing, and headache. Therefore, it is crucial for the client to abstain from alcohol while taking this medication to prevent adverse effects and ensure treatment effectiveness. Choices A, B, and D are incorrect. Drinking adequate water daily is a general health recommendation but not specific to metronidazole use. Taking with food is not necessary for metronidazole, and in fact, it is recommended to be taken on an empty stomach for better absorption. Storing the medication in the refrigerator is also incorrect, as metronidazole should be stored at room temperature.
5. A client is taking levodopa-carbidopa for Parkinson's disease. The nurse should include which instruction when educating the client about this medication?
- A. Increase fluid intake to prevent dehydration.
- B. Take medication with food to improve absorption.
- C. Take medication at bedtime to avoid daytime drowsiness.
- D. It can cause nausea and dizziness.
Correct answer: A
Rationale: The correct instruction for a client taking levodopa-carbidopa for Parkinson's disease is to increase fluid intake to prevent dehydration. Levodopa-carbidopa should be taken with food to reduce gastrointestinal upset and improve absorption. Taking medication at bedtime is not necessary to avoid daytime drowsiness. It is crucial to prevent dehydration due to the medication's side effects. Choice B is incorrect because the medication should be taken with food, not at bedtime. Choice C is incorrect as taking the medication with food, rather than on an empty stomach, aids in absorption and reduces gastrointestinal side effects. Choice D is incorrect as it states the side effects of the medication rather than providing specific instructions on its administration.
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