ATI RN
ATI Pathophysiology Final Exam
1. During surgery, the anesthesia personnel notice the client is having a steady rise in end-tidal carbon dioxide level. At this time, the nurse anesthetist begins to assess the client for malignant hyperthermia. The initial (priority) assessment for this disorder may include:
- A. measuring serum potassium levels.
- B. monitoring for muscle rigidity.
- C. evaluating renal function.
- D. checking arterial blood gases.
Correct answer: B
Rationale: The correct answer is B: monitoring for muscle rigidity. Muscle rigidity is a hallmark sign of malignant hyperthermia, a life-threatening condition triggered by certain anesthetics. Monitoring for this sign is critical in the early identification of the condition. Choices A, C, and D are not the initial priority assessments for malignant hyperthermia. Measuring serum potassium levels, evaluating renal function, and checking arterial blood gases are not specific initial assessments for malignant hyperthermia and would not aid in its early identification.
2. A male patient is receiving testosterone therapy for hypogonadism. What adverse effect should the nurse monitor during this therapy?
- A. Increased risk of cardiovascular events
- B. Increased risk of liver dysfunction
- C. Increased risk of prostate cancer
- D. Increased risk of bone fractures
Correct answer: A
Rationale: The correct answer is A: Increased risk of cardiovascular events. Testosterone therapy can lead to an increased risk of cardiovascular events like heart attacks and strokes, especially in older patients. Choice B, increased risk of liver dysfunction, is not a common adverse effect of testosterone therapy. Choice C, increased risk of prostate cancer, is a concern when using testosterone therapy in patients with existing prostate cancer, but not a general adverse effect. Choice D, increased risk of bone fractures, is not typically associated with testosterone therapy.
3. Which of the following is a complication of compartment syndrome?
- A. Hemorrhage
- B. Pain and tissue damage
- C. Increased limb function
- D. Chronic kidney disease
Correct answer: B
Rationale: The correct answer is B: Pain and tissue damage. Compartment syndrome occurs due to increased pressure within the muscle compartments, leading to pain and tissue damage. Hemorrhage (choice A) is not a typical complication of compartment syndrome. Increased limb function (choice C) is not a complication but rather a potential improvement if the condition is managed appropriately. Chronic kidney disease (choice D) is unrelated to compartment syndrome.
4. What nursing diagnosis is suggested by the patient's statement regarding taking extra griseofulvin when she thinks her infection is getting worse?
- A. Deficient knowledge related to correct use of griseofulvin
- B. Effective therapeutic regimen management related to symptom identification
- C. Disturbed thought processes related to appropriate use of griseofulvin
- D. Ineffective coping related to self-medication
Correct answer: C
Rationale: The correct answer is C: 'Disturbed thought processes related to appropriate use of griseofulvin.' The patient's statement shows a misunderstanding of the correct use of griseofulvin by taking extra medication when she believes her infection is worsening. This behavior indicates a disturbance in her thought process regarding the appropriate use of the medication. Choice A is incorrect because the issue is not lack of knowledge but rather a misunderstanding leading to inappropriate actions. Choice B is incorrect as the patient's actions do not demonstrate effective management of her therapeutic regimen. Choice D is incorrect as the patient is not engaged in self-medication but rather misinterpreting signals and self-adjusting the prescribed medication.
5. What is the etiology and most likely treatment for myasthenia gravis in a 22-year-old female college student?
- A. Autoimmune destruction of skeletal muscle cells; treatment with intensive physical therapy and anabolic steroids.
- B. A decline in functioning acetylcholine receptors; treatment with corticosteroids and intravenous immunoglobulins.
- C. Cerebellar lesions; surgical and immunosuppressive treatment.
- D. Excess acetylcholinesterase production; treatment with thymectomy.
Correct answer: B
Rationale: Myasthenia gravis is characterized by a decline in functioning acetylcholine receptors rather than autoimmune destruction of skeletal muscle cells (Choice A), cerebellar lesions (Choice C), or excess acetylcholinesterase production (Choice D). The most likely treatment for myasthenia gravis involves corticosteroids to reduce inflammation and intravenous immunoglobulins to block the antibodies attacking acetylcholine receptors. Intensive physical therapy and anabolic steroids are not primary treatments for myasthenia gravis.
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