HESI LPN
Pharmacology HESI 2023 Quizlet
1. A female client who started chemotherapy three days ago for cancer of the breast calls the clinic reporting that she is so upset she cannot sleep. The client has several PRN medications available. Which drug should the nurse instruct her to take?
- A. Ondansetron 8mgPO no
- B. Lorazepam 2mg PO bedtime
- C. Oxycodone, acetylsalicylic acid one tablet q4 hours PRN
- D. Acetaminophen, diphenhydramine 2 capsules bedtime
Correct answer: D
Rationale: Acetaminophen and diphenhydramine help with sleep without severe side effects.
2. A client is prescribed nitroglycerin sublingual tablets. The practical nurse should reinforce which instruction?
- A. Store the tablets in a cool, dry place.
- B. Take one tablet every 5 minutes until pain is relieved, up to three tablets.
- C. Swallow the tablets whole.
- D. Chew the tablets for faster relief.
Correct answer: A
Rationale: Nitroglycerin sublingual tablets are sensitive to heat and moisture, so they should be stored in a cool, dry place to maintain their efficacy. Storing them in a cool, dry place helps prevent degradation of the medication. Choice B is incorrect because nitroglycerin tablets should be taken as directed by the healthcare provider to avoid potential overdose or adverse effects. Choice C is incorrect because sublingual tablets should be placed under the tongue to dissolve and be absorbed, not swallowed, to ensure their quick action. Choice D is incorrect because sublingual tablets should not be chewed; they are meant to be absorbed through the tissues under the tongue, and chewing them may alter their effectiveness.
3. A 6-month-old infant is prescribed digoxin for the treatment of congestive heart failure. Which observation by the practical nurse (PN) warrants immediate intervention for signs of digoxin toxicity?
- A. Apical heart rate of 60 beats/min
- B. Sweating across the forehead
- C. Poor sucking effort
- D. Respiratory rate of 30 breaths/min
Correct answer: A
Rationale: A heart rate of 60 beats/min for a 6-month-old infant warrants immediate intervention as it falls below the normal range. The normal heart rate for a 6-month-old is 80 to 150 beats/min when awake, and a rate of 70 beats/min while sleeping is considered within normal limits. Bradycardia (heart rate <60 beats/min) in infants can be a sign of digoxin toxicity, necessitating prompt evaluation and intervention to prevent adverse effects. Sweating across the forehead (Choice B) is a non-specific symptom and may not directly indicate digoxin toxicity. Poor sucking effort (Choice C) and a respiratory rate of 30 breaths/min (Choice D) are not typically associated with digoxin toxicity and do not require immediate intervention in the context of this question.
4. A client with a diagnosis of generalized anxiety disorder is prescribed diazepam. The nurse should instruct the client that this medication may have which potential side effect?
- A. Drowsiness
- B. Dry mouth
- C. Nausea
- D. Headache
Correct answer: A
Rationale: Correct. Diazepam, a medication commonly used to treat anxiety disorders, can lead to drowsiness as a potential side effect. It is important for clients taking diazepam to be cautious about activities that require alertness, such as driving, due to the risk of drowsiness associated with this medication. Choice B, dry mouth, is not typically associated with diazepam use. Choice C, nausea, is less common as a side effect of diazepam compared to drowsiness. Choice D, headache, is also less common and typically not a significant side effect of diazepam.
5. Which action should be taken to assess for analgesic tolerance in a client who is unable to communicate?
- A. Review the client's laboratory values for changes in peak and trough levels of the analgesic
- B. Prolong the interval between analgesic medication doses and monitor the client's vital signs
- C. Observe the client for the presence of pain behaviors before the next analgesic dose is due
- D. Ask family members to report behaviors suggesting that the client's pain has returned
Correct answer: C
Rationale: In clients who are unable to communicate, observing for pain behaviors is crucial in assessing analgesic tolerance. Changes in pain behaviors can indicate if the current analgesic regimen is effective or if tolerance has developed. Therefore, closely observing the client for pain behaviors before the next analgesic dose helps healthcare providers evaluate the client's response to pain management. Reviewing laboratory values may not directly reflect analgesic tolerance. Prolonging the interval between doses and monitoring vital signs may not provide direct information on analgesic tolerance. Relying solely on family members to report pain behaviors may not be as accurate or immediate as observing the client directly.
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