HESI RN
Pharmacology HESI
1. A client with hyperlipidemia is prescribed simvastatin (Zocor). Which instruction should the nurse include in the teaching plan?
- A. Take the medication in the evening.
- B. Report any muscle pain to your healthcare provider.
- C. Avoid increasing your intake of grapefruit juice.
- D. Do not take the medication with a high-fat meal.
Correct answer: B
Rationale: Muscle pain can be a sign of a serious side effect of simvastatin (Zocor) known as rhabdomyolysis and should be reported to the healthcare provider immediately. The medication is usually taken in the evening to coincide with the body's natural production of cholesterol. Grapefruit juice should be avoided as it can increase the risk of toxicity by affecting the metabolism of the medication. Additionally, taking simvastatin with a high-fat meal can reduce its effectiveness, so it should be taken without food or with a light meal.
2. Isotretinoin is prescribed for a client with severe acne. Before the administration of this medication, the nurse anticipates that which laboratory test will be prescribed?
- A. Platelet count
- B. Triglyceride level
- C. Complete blood count
- D. White blood cell count
Correct answer: B
Rationale: Before administering Isotretinoin, it is important to check the client's triglyceride levels. Isotretinoin is known to elevate triglyceride levels, hence monitoring them before and periodically during treatment is essential to prevent potential adverse effects.
3. A healthcare professional is preparing to administer an intramuscular dose of penicillin to a client with a history of anaphylactic reactions to penicillin. Which action should the healthcare professional take first?
- A. Check the medication order for accuracy.
- B. Have an epinephrine injection available.
- C. Administer a test dose to check for a reaction.
- D. Ask the client about any allergies.
Correct answer: B
Rationale: When dealing with a client who has a history of anaphylactic reactions to penicillin, the priority action for the healthcare professional is to have an epinephrine injection readily available in case of a severe allergic reaction. In such cases, the immediate focus is on being prepared to manage a potentially life-threatening situation. While checking the medication order for accuracy, administering a test dose, and asking the client about allergies are essential steps in medication administration, the first priority is ensuring the availability of epinephrine to address a severe allergic reaction promptly.
4. A health care provider (HCP) writes a prescription for digoxin (Lanoxin), 0.25 mg daily. The nurse teaches the client about the medication and tells the client that it is important to:
- A. Count the radial and carotid pulses every morning.
- B. Check the blood pressure every morning and evening.
- C. Stop taking the medication if the pulse is higher than 100 beats per minute.
- D. Withhold the medication and call the HCP if the pulse is less than 60 beats per minute.
Correct answer: D
Rationale: When taking digoxin, monitoring the pulse rate is essential due to its potential effects on heart rate. Digoxin can lead to bradycardia, where the pulse rate drops significantly. Withholding the medication and promptly contacting the healthcare provider if the pulse falls below 60 beats per minute is crucial to prevent severe complications and ensure appropriate management. Choices A, B, and C are incorrect because counting radial and carotid pulses, checking blood pressure, or stopping the medication based on a pulse rate higher than 100 beats per minute are not the primary monitoring parameters for a client taking digoxin.
5. The client has a PRN prescription for loperamide hydrochloride (Imodium). The nurse understands that this medication is used for which condition?
- A. Constipation
- B. Abdominal pain
- C. An episode of diarrhea
- D. Hematest-positive nasogastric tube drainage
Correct answer: C
Rationale: Loperamide hydrochloride (Imodium) is an antidiarrheal medication commonly used to manage episodes of diarrhea. It works by slowing down gut movement and reducing the frequency of bowel movements. Loperamide is not indicated for constipation, abdominal pain, or hematest-positive nasogastric tube drainage. It is specifically useful in acute and chronic diarrhea, such as in cases of inflammatory bowel disease, to help control symptoms and decrease fluid loss.
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