HESI RN
HESI Medical Surgical Practice Exam
1. A client receiving warfarin (Coumadin) therapy should have which of the following laboratory results reviewed to evaluate the effectiveness of the therapy?
- A. Complete blood count (CBC).
- B. Prothrombin time (PT).
- C. International normalized ratio (INR).
- D. Partial thromboplastin time (PTT).
Correct answer: C
Rationale: The correct answer is C: International normalized ratio (INR). The INR is the most appropriate laboratory result to review when evaluating the effectiveness of warfarin (Coumadin) therapy. Warfarin is an anticoagulant medication, and the INR helps determine if the dosage is within a therapeutic range to prevent clotting or bleeding complications. Choice A, a Complete Blood Count (CBC), provides information about the cellular components of blood but does not directly assess the anticoagulant effects of warfarin. Choice B, Prothrombin time (PT), measures the time it takes for blood to clot but is not as specific for monitoring warfarin therapy as the INR. Choice D, Partial Thromboplastin Time (PTT), evaluates the intrinsic pathway of coagulation and is not the primary test used to monitor warfarin therapy.
2. The healthcare provider notes a blood pressure of 160/90 mm Hg in a patient taking a thiazide diuretic. The patient reports taking an herbal medication that a friend recommended. Which herbal product is likely, given this patient’s blood pressure?
- A. Ginkgo
- B. Hawthorn
- C. Licorice
- D. St. John’s wort
Correct answer: A
Rationale: The correct answer is A: Ginkgo. Increased blood pressure can result when ginkgo is used in combination with a thiazide diuretic. Option B (Hawthorn) is incorrect because hawthorn is more commonly associated with lowering blood pressure. Option C (Licorice) is incorrect because licorice can lead to sodium and water retention, potentially exacerbating hypertension. Option D (St. John’s wort) is incorrect as it is not typically associated with significant blood pressure effects.
3. The nurse is caring for four clients with chronic kidney disease. Which client should the nurse assess first upon initial rounding?
- A. Woman with a blood pressure of 158/90 mm Hg
- B. Client with Kussmaul respirations
- C. Man with skin itching from head to toe
- D. Client with halitosis and stomatitis
Correct answer: B
Rationale: The correct answer is B. Kussmaul respirations indicate a worsening of chronic kidney disease (CKD). The client is increasing the rate and depth of breathing to excrete carbon dioxide through the lungs, a compensatory mechanism for metabolic acidosis common in CKD. Hypertension, as in choice A, is a common finding in CKD due to volume overload and activation of the renin-angiotensin-aldosterone system. Skin itching, as in choice C, is related to calcium-phosphate imbalances seen in CKD. Halitosis and stomatitis, as in choice D, are common in CKD due to uremia, leading to the formation of ammonia. However, Kussmaul respirations indicate a more urgent need for assessment as they suggest impending respiratory distress and metabolic derangement, requiring immediate attention.
4. A young adult asks the nurse about the normal cholesterol level. The nurse tells the client that the total cholesterol level should be maintained at less than:
- A. 140 mg/dL
- B. 200 mg/dL
- C. 250 mg/dL
- D. 300 mg/dL
Correct answer: B
Rationale: The correct answer is B: 200 mg/dL. A normal cholesterol value ranges between 140 and 199 mg/dL. Total cholesterol levels should ideally be maintained at 200 mg/dL or less to reduce the risk of cardiovascular diseases. Choices A, C, and D are incorrect as they exceed the recommended normal range for total cholesterol levels and may increase the risk of developing heart-related issues.
5. The healthcare provider is assessing a client with chronic renal failure who is receiving hemodialysis. Which of the following findings would indicate that the client is experiencing a complication of the treatment?
- A. Clear dialysate outflow.
- B. Blood pressure of 150/90 mm Hg.
- C. Increased heart rate.
- D. Fatigue.
Correct answer: B
Rationale: A blood pressure of 150/90 mm Hg during hemodialysis may indicate fluid overload or an ineffective dialysis session, which can lead to complications such as heart failure or pulmonary edema. This finding should be reported promptly for further evaluation and intervention. Clear dialysate outflow is a normal and expected finding during hemodialysis, indicating proper filtration of waste products. Increased heart rate can be a normal compensatory response to hemodialysis due to fluid shifts and should be monitored but does not necessarily indicate a complication. Fatigue is a common symptom in clients with chronic renal failure undergoing hemodialysis and is not specific to complications of the treatment.
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