HESI LPN
Pharmacology HESI Practice
1. A practical nurse (PN) is preparing to administer enoxaparin to a client. What is the most important action for the PN to take before administering this medication?
- A. Assess the client's blood pressure.
- B. Check the client's platelet count.
- C. Monitor the client's urine output.
- D. Review the client's blood glucose level.
Correct answer: B
Rationale: The correct answer is to check the client's platelet count. Enoxaparin can lead to thrombocytopenia (low platelet count), which can increase the risk of bleeding. Therefore, assessing the platelet count before administering enoxaparin is crucial to ensure that it is within a safe range. Assessing the client's blood pressure (Choice A) is not directly related to enoxaparin administration. Monitoring urine output (Choice C) and reviewing blood glucose levels (Choice D) are not essential actions before administering enoxaparin.
2. A client has been prescribed losartan. Which change in data indicates to the practical nurse (PN) that the desired effect of this medication has been achieved?
- A. Dependent edema reduced from +3 to +1.
- B. Serum HDL increased from 35 to 55 mg/dL.
- C. Pulse rate reduced from 150 to 90 beats/min.
- D. Blood pressure reduced from 160/90 to 130/80 mm Hg.
Correct answer: D
Rationale: The correct answer is D. Losartan is prescribed for the treatment of hypertension. The desired effect of losartan is to reduce blood pressure. Therefore, a reduction in blood pressure from 160/90 to 130/80 mm Hg indicates that the desired effect of the medication has been achieved. Choices A, B, and C are not specific effects of losartan and do not directly relate to the expected outcomes of this medication. Dependent edema, serum HDL levels, and pulse rate are not typically influenced by losartan, making choices A, B, and C incorrect.
3. The healthcare professional is creating a class for older adults in the community. Which information about laxative use in older adults would be important to include?
- A. Laxatives are not effective in older adults
- B. All laxatives are exactly the same
- C. Over-the-counter laxatives are misused
- D. Laxatives can cause potassium retention
Correct answer: C
Rationale: It is important to include information about the misuse of over-the-counter laxatives in older adults as they often misuse these medications, which can lead to dependency and other health issues. Option A is incorrect as laxatives can be effective in older adults when used appropriately. Option B is incorrect because not all laxatives are the same, they have different mechanisms of action and side effects. Option D is incorrect because laxatives can actually cause electrolyte imbalances like potassium depletion rather than retention.
4. An adolescent client with a seizure disorder is prescribed the anticonvulsant medication carbamazepine. The nurse should notify the healthcare provider if the client develops which condition?
- A. Experiences dry mouth.
- B. Experiences dizziness.
- C. Develops a sore throat.
- D. Develops gingival hyperplasia.
Correct answer: C
Rationale: The correct answer is C: 'Develops a sore throat.' When a client on carbamazepine develops flu-like symptoms such as pallor, fatigue, sore throat, and fever, it could indicate blood dyscrasias (aplastic anemia, leukopenia, anemia, thrombocytopenia), which are potential adverse effects of the medication. These symptoms warrant immediate notification of the healthcare provider for further evaluation and management to prevent complications. Choices A, B, and D are incorrect because dry mouth, dizziness, and gingival hyperplasia are not commonly associated with carbamazepine use and do not indicate serious adverse effects that require immediate healthcare provider notification.
5. A client with severe depression is prescribed sertraline. Which statement by the client indicates the need for further teaching?
- A. I can stop taking this medication once I feel better.
- B. It may take 1 to 4 weeks to notice improvement in symptoms.
- C. I should avoid alcohol while taking this medication.
- D. I should take this medication in the morning with food.
Correct answer: A
Rationale: The correct answer is A. Clients should not stop taking sertraline abruptly once they feel better without consulting their healthcare provider. It is important to complete the full course of treatment as prescribed to prevent a relapse of symptoms. Stopping the medication suddenly can lead to withdrawal symptoms and may worsen the condition. Choice B is correct because sertraline may take 1 to 4 weeks to show noticeable improvement in symptoms. Choice C is correct as alcohol should be avoided while taking sertraline due to the increased risk of side effects. Choice D is also correct as taking sertraline in the morning with food can help reduce gastrointestinal side effects.
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