HESI LPN
HESI Practice Test Pharmacology
1. A client with severe rheumatoid arthritis is prescribed adalimumab. The nurse should monitor for which potential adverse effect?
- A. Increased risk of infection
- B. Bone marrow suppression
- C. Hair loss
- D. Hyperglycemia
Correct answer: A
Rationale: The correct answer is A: Increased risk of infection. Adalimumab is known to increase the risk of infection due to its immunosuppressive effects. Patients on adalimumab should be closely monitored for signs and symptoms of infection, such as fever, chills, and malaise, and should promptly report any such symptoms to their healthcare provider for further evaluation and management. Monitoring for infection is crucial to prevent serious complications in patients receiving adalimumab therapy.
2. A client whose seizure disorder has been managed with phenytoin is admitted to the emergency department with status epilepticus. Which drug should the practical nurse anticipate being prescribed for administration to treat these seizures?
- A. Phenytoin
- B. Diazepam
- C. Phenobarbital
- D. Carbamazepine
Correct answer: B
Rationale: In the management of status epilepticus, which is a life-threatening condition of prolonged seizures, rapid intervention is crucial. Diazepam is the drug of choice for treating status epilepticus due to its fast onset of action and effectiveness in stopping seizures. It acts by enhancing the inhibitory neurotransmitter GABA to suppress seizure activity quickly. Phenytoin, although used for long-term seizure control, has a slower onset of action and is not the first-line medication for managing status epilepticus.
3. 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.
4. A client with a history of heart failure is prescribed spironolactone. The nurse should monitor for which potential side effect?
- A. Hyperkalemia
- B. Hypokalemia
- C. Hyponatremia
- D. Hypernatremia
Correct answer: A
Rationale: The correct answer is A: Hyperkalemia. Spironolactone is a potassium-sparing diuretic, which can lead to an excess of potassium in the body, causing hyperkalemia. This medication inhibits the action of aldosterone, leading to decreased potassium excretion and potential retention. Monitoring potassium levels is essential to prevent complications such as cardiac arrhythmias, especially in clients with heart failure.
5. What instructions should the PN reinforce with the client regarding the newly prescribed medications isosorbide dinitrate and hydrochlorothiazide?
- A. Instruct the client to use a soft bristle toothbrush.
- B. Instruct the client to slowly rise from a sitting or lying down position.
- C. Instruct the client to elevate their legs above the level of their heart.
- D. Instruct the client to limit the amount of fiber in their diet.
Correct answer: B
Rationale: The correct instruction for the client is to slowly rise from a sitting or lying down position. Isosorbide dinitrate, a nitrate, and hydrochlorothiazide, a diuretic, can both cause hypotension. When used together, their additive effects can further lower blood pressure, leading to orthostatic hypotension. Instructing the client to change positions slowly helps prevent a sudden drop in blood pressure, reducing the risk of dizziness or falls. Choices A, C, and D are incorrect because they do not directly address the potential side effect of hypotension associated with the prescribed medications. Using a soft bristle toothbrush, elevating legs above the heart level, or limiting fiber intake are not specific instructions to mitigate the risk of orthostatic hypotension.
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