HESI RN
HESI Pharmacology Practice Exam
1. Heparin sodium is prescribed for the client. The nurse expects that the healthcare provider will prescribe which of the following to monitor for a therapeutic effect of the medication?
- A. Hematocrit level
- B. Hemoglobin level
- C. Prothrombin time (PT)
- D. Activated partial thromboplastin time (aPTT)
Correct answer: D
Rationale: The correct answer is D, activated partial thromboplastin time (aPTT). Heparin affects the intrinsic pathway of coagulation. Monitoring aPTT helps ensure that heparin sodium is within the therapeutic range to prevent clot formation. Hematocrit and hemoglobin levels assess red blood cell concentrations and are not specific to monitoring heparin therapy. Prothrombin time (PT) is used to monitor the therapeutic effect of warfarin sodium, which affects the extrinsic pathway of coagulation, not heparin.
2. A client with diabetes mellitus is prescribed prednisone for an acute exacerbation of asthma. Which of the following should the nurse include in the client's teaching plan?
- A. Increase the dose of insulin while taking prednisone.
- B. Take the prednisone with food.
- C. Monitor blood glucose levels closely.
- D. Do not discontinue prednisone abruptly.
Correct answer: C
Rationale: The correct answer is to monitor blood glucose levels closely. Prednisone can elevate blood glucose levels, necessitating close monitoring. Adjusting the insulin dose may be necessary, but this should be managed by a healthcare provider. Prednisone should be taken with food to reduce gastrointestinal discomfort and should not be stopped suddenly to prevent adverse effects.
3. A nurse is providing instructions to an adolescent who has a history of seizures and is taking an anticonvulsant medication. Which of the following statements indicates that the client understands the instructions?
- A. I will never be able to drive a car.
- B. My anticonvulsant medication will clear up my skin.
- C. I can't drink alcohol while I am taking my medication.
- D. If I forget my morning medication, I can take two pills at bedtime.
Correct answer: C
Rationale: The correct answer is C: 'I can't drink alcohol while I am taking my medication.' Alcohol can lower the seizure threshold and should be avoided by individuals taking anticonvulsants. Choice A is incorrect because it is an extreme statement and not necessary for someone taking anticonvulsants. Choice B is incorrect as anticonvulsant medications are not used to clear skin conditions. Choice D is incorrect because doubling up medication doses can be harmful and should not be done without healthcare provider approval.
4. The nurse provides medication instructions to an older hypertensive client who is taking 20 mg of lisinopril (Prinivil, Zestril) orally daily. The nurse evaluates the need for further teaching when the client states which of the following?
- A. I can skip a dose once a week.
- B. I need to change my position slowly.
- C. I take the pill after breakfast each day.
- D. If I get a bad headache, I should call my doctor immediately.
Correct answer: A
Rationale: Lisinopril should be taken daily as prescribed and not skipped. Skipping doses can lead to ineffective treatment.
5. A client is diagnosed with pulmonary embolism and is to be treated with streptokinase (Streptase). A nurse would report which priority data collection finding to the registered nurse before initiating this therapy?
- A. Adventitious breath sounds
- B. Temperature of 99.4°F orally
- C. Blood pressure of 198/110 mm Hg
- D. Respiratory rate of 28 breaths/min
Correct answer: C
Rationale: The correct answer is C. Streptokinase therapy is contraindicated in severe uncontrolled hypertension due to the risk of cerebral hemorrhage. A blood pressure of 198/110 mm Hg indicates severe hypertension, which needs to be addressed before initiating streptokinase to prevent potential complications.
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