HESI LPN
HESI Practice Test Pharmacology
1. Phenazopyridine is commonly prescribed for clients with urinary tract infections (UTI). Which statement by the practical nurse describes the purpose for the administration of phenazopyridine?
- A. To alter the pH level of the urine
- B. To reduce the frequency of bladder spasms
- C. To alleviate the painful symptoms caused by the UTI
- D. To prevent bacterial replication and resistance development
Correct answer: C
Rationale: The correct answer is C. Phenazopyridine, a urinary analgesic, is utilized to alleviate the pain associated with urinary tract infections (UTIs) like burning, pain, urgency, and frequent voiding. The administration of phenazopyridine can cause the urine to turn a bright red-orange color. It is recommended to take this medication with food to reduce gastric irritation. Phenazopyridine should only be used for a maximum of 2 days when taken alongside an antibacterial agent, which is typically prescribed for about 2 weeks to treat the underlying infection.
2. The practical nurse administered carbidopa-levodopa to a client diagnosed with Parkinson's disease. Which outcome by the client would indicate a therapeutic response?
- A. Decreased blood pressure
- B. Lessening of tremors
- C. Increased salivation
- D. Increased attention span
Correct answer: B
Rationale: The correct answer is B: Lessening of tremors. Carbidopa-levodopa increases the amount of levodopa to the CNS, providing more dopamine to the brain. Increased dopamine levels help alleviate Parkinson's symptoms such as tremors, involuntary movements, and gait abnormalities. Choices A, C, and D are incorrect as carbidopa-levodopa is not expected to have a direct effect on blood pressure, salivation, or attention span in the context of treating Parkinson's disease.
3. A client with hypertension is prescribed lisinopril. The nurse should monitor for which potential side effect?
- A. Dry cough
- B. Hyperkalemia
- C. Hypernatremia
- D. Hyponatremia
Correct answer: A
Rationale: The correct answer is A: Dry cough. Lisinopril, an ACE inhibitor, is known to cause a persistent dry cough as a common side effect. Monitoring for this adverse effect is crucial because it may lead to non-adherence to the medication. Hyperkalemia (choice B) is a potential side effect of potassium-sparing diuretics, not ACE inhibitors like lisinopril. Hypernatremia (choice C) refers to elevated sodium levels and is not a common side effect of lisinopril. Hyponatremia (choice D) is a condition characterized by low sodium levels and is not a typical side effect of lisinopril. Therefore, the nurse should focus on assessing the client for a dry cough when taking lisinopril.
4. A postoperative client has a prescription for ketorolac 30mg IV q6h. Which response demonstrates that therapeutic levels of the medication have been achieved?
- A. Observe wound drainage for a change in appearance
- B. Assess the client's calves for inflammation
- C. Perform a pain assessment using a numeric scale
- D. Measure the client's intake and output
Correct answer: C
Rationale: The correct response is to perform a pain assessment using a numeric scale. Ketorolac is an NSAID prescribed for pain relief. Monitoring pain levels is crucial to evaluate the therapeutic effectiveness of the medication. Pain assessment helps determine if the medication is providing adequate pain relief, indicating that therapeutic levels have been achieved.
5. A client with osteoporosis is prescribed raloxifene. The nurse should reinforce which instruction?
- A. Take this medication at the same time each day.
- B. Take this medication with a full glass of water.
- C. Take this medication on an empty stomach.
- D. Take this medication immediately after a meal.
Correct answer: A
Rationale: The correct instruction for a client prescribed raloxifene, a medication used for osteoporosis, is to take it at the same time each day. This consistency helps maintain steady blood levels of the medication, enhancing its effectiveness in managing the condition. Choice B is incorrect because raloxifene does not require a full glass of water for administration. Choice C is incorrect as raloxifene should not be taken on an empty stomach. Choice D is incorrect as raloxifene should not be taken immediately after a meal.
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