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 professional is preparing to give a dose of trimethoprim-sulfamethoxazole (TMP-SMX) and learns that the patient takes warfarin (Coumadin). The healthcare professional will request an order for
- A. a decreased dose of TMP-SMX.
- B. a different antibiotic.
- C. an increased dose of warfarin.
- D. coagulation studies.
Correct answer: D
Rationale: Sulfonamides, like trimethoprim-sulfamethoxazole (TMP-SMX), can potentiate the anticoagulant effects of warfarin (Coumadin). To monitor the patient's response and prevent adverse effects, the healthcare professional should request coagulation studies, such as International Normalized Ratio (INR) levels. Choosing a decreased dose of TMP-SMX would not address the potential drug interaction between TMP-SMX and warfarin. Opting for a different antibiotic is not necessary if the interaction can be managed by monitoring. Increasing the dose of warfarin without monitoring could lead to excessive anticoagulation and adverse events, so it's not the appropriate action in this scenario.
3. After undergoing a renal biopsy, a client reports pain radiating to the front of the abdomen from the biopsy site. What finding should the nurse assess the client for?
- A. Bleeding
- B. Renal colic
- C. Infection at the site
- D. Increased temperature
Correct answer: A
Rationale: The correct answer is A: Bleeding. Pain radiating to the front of the abdomen from the renal biopsy site suggests bleeding, which should be promptly assessed and managed. Bleeding can lead to serious complications if not addressed timely. Renal colic (choice B) is associated with kidney stones and typically presents with severe flank pain. Infection at the site (choice C) would more likely present with localized signs such as redness, swelling, warmth, and tenderness. Increased temperature (choice D) alone is not specific to the issue described and may be indicative of various conditions.
4. A male client expresses concern about how a hypophysectomy will affect his sexual function. Which of the following statements provides the most accurate information about the physiologic effects of hypophysectomy?
- A. Removing the source of excess hormone should restore the client's libido, erectile function, and fertility.
- B. Potency will be restored, but the client will remain infertile.
- C. Fertility will be restored, but impotence and decreased libido will persist.
- D. Exogenous hormones will be needed to restore erectile function after the adenoma is removed.
Correct answer: A
Rationale: Choice A is the most accurate statement regarding the physiologic effects of hypophysectomy on sexual function. The client's sexual problems are directly related to excessive hormone levels. Removing the source of excess hormone secretion through hypophysectomy should allow the client to return to a normal physiologic pattern, which includes restoring libido, erectile function, and fertility. Choices B, C, and D are incorrect. Choice B incorrectly states that the client will remain infertile, which is not necessarily true after a hypophysectomy. Choice C inaccurately suggests that fertility will be restored while impotence and decreased libido will persist, which is not aligned with the expected outcomes of hypophysectomy. Choice D is incorrect because exogenous hormones are typically not needed to restore erectile function after the adenoma is removed; rather, the removal of the source of excessive hormone secretion should address the sexual function concerns.
5. A client has just undergone insertion of a chest tube that is attached to a closed chest drainage system. Which action should the nurse plan to take in the care of this client?
- A. Assessing the client’s chest for crepitus every 24 hours
- B. Taping the connections between the chest tube and the drainage system
- C. Adding 20 mL of sterile water to the suction control chamber every shift
- D. Recording the volume of secretions in the drainage collection chamber every 24 hours
Correct answer: B
Rationale: The correct action for the nurse to take in caring for a client with a chest tube connected to a closed chest drainage system is to tape the connections between the chest tube and the drainage system. This is done to prevent accidental disconnection, ensuring the system functions properly. Assessing the client’s chest for crepitus should be done more frequently than once every 24 hours to monitor for any air leaks. Adding sterile water to the suction control chamber is not necessary every shift; it should be done as needed to maintain the appropriate water level. Recording the volume of secretions in the drainage collection chamber should be done more frequently than every 24 hours, with hourly monitoring during the first 24 hours after insertion and every 8 hours thereafter to assess for changes or complications.
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