ATI RN
ATI Pathophysiology Exam 2
1. A client diagnosed with Bell's palsy is receiving discharge teaching from a nurse. Which statement made by the client indicates an understanding of the condition?
- A. I should avoid moving my face excessively to prevent worsening of symptoms.
- B. This condition usually resolves on its own within a few weeks or months.
- C. Bell's palsy is caused by a stroke and requires immediate medical treatment.
- D. I will need to take antiviral medication for the rest of my life to manage this condition.
Correct answer: B
Rationale: The correct answer is B. Bell's palsy typically resolves on its own within a few weeks to months. Choice A is incorrect because gentle facial exercises are often encouraged to prevent muscle weakness. Choice C is incorrect as Bell's palsy is not caused by a stroke but by inflammation of the facial nerve. Choice D is incorrect as antiviral medication is usually given early in the diagnosis but not required for lifelong management.
2. During an assessment of a male client suspected of having a disorder of motor function, which finding would suggest a possible upper motor neuron (UMN) lesion?
- A. Hypotonia
- B. Hyperreflexia
- C. Muscle atrophy
- D. Fasciculations
Correct answer: B
Rationale: Hyperreflexia, or exaggerated reflexes, is a common sign of an upper motor neuron (UMN) lesion. An UMN lesion indicates damage to the central nervous system pathways that control movement. Hypotonia (choice A) refers to reduced muscle tone, which is more indicative of lower motor neuron lesions. Muscle atrophy (choice C) suggests long-standing denervation or disuse of muscles. Fasciculations (choice D) are involuntary muscle contractions that can be seen in lower motor neuron lesions, like in amyotrophic lateral sclerosis (ALS), rather than UMN lesions.
3. A 57-year-old male presents to his primary care provider with a red face, hands, feet, ears, headache, and drowsiness. A blood smear reveals an increased number of erythrocytes, indicating:
- A. Leukemia
- B. Sideroblastic anemia
- C. Hemosiderosis
- D. Polycythemia vera
Correct answer: D
Rationale: In this case, the symptoms of a red face, hands, feet, ears, headache, and drowsiness along with an increased number of erythrocytes in the blood smear are indicative of polycythemia vera. This condition is characterized by the overproduction of red blood cells, leading to symptoms related to increased blood volume and viscosity. Leukemia (Choice A) is a cancer of the blood and bone marrow, but the presentation described here is more suggestive of polycythemia vera. Sideroblastic anemia (Choice B) is characterized by abnormal iron deposits in erythroblasts, not an increased number of erythrocytes. Hemosiderosis (Choice C) refers to abnormal accumulation of iron in the body, not an increase in red blood cells as seen in polycythemia vera.
4. A male patient receiving androgen therapy is concerned about prostate cancer. What should the nurse explain about the risks associated with this therapy?
- A. Finasteride has been shown to reduce the risk of developing prostate cancer.
- B. Finasteride has no impact on the risk of developing prostate cancer.
- C. Finasteride may increase the risk of developing prostate cancer.
- D. Finasteride has no effect on the risk of prostate cancer.
Correct answer: A
Rationale: The correct answer is A. Finasteride, a type of androgen therapy, has been shown to reduce the risk of developing prostate cancer. It works by shrinking the prostate gland, which can help lower the risk of developing prostate cancer. However, while it may reduce the risk, regular screening is still recommended to monitor for any potential issues. Choice B is incorrect because finasteride does have an impact on reducing the risk of prostate cancer. Choice C is incorrect as finasteride is not known to increase the risk of developing prostate cancer. Choice D is incorrect as finasteride does have an effect on reducing the risk of prostate cancer.
5. What is the expected outcome of administering a granulocyte colony-stimulating factor (G-CSF)?
- A. Reduction in red blood cell count
- B. Decreased number of infections
- C. Decreased fatigue and increased energy
- D. Increase in white blood cell count
Correct answer: B
Rationale: The correct answer is B: Decreased number of infections. Granulocyte colony-stimulating factor (G-CSF) is a medication used to stimulate the production of white blood cells, specifically granulocytes, in the body. By increasing the number of white blood cells, G-CSF helps in boosting the immune system, leading to a decreased number of infections. Choice A is incorrect as G-CSF does not cause a reduction in red blood cell count. Choice C is incorrect as G-CSF primarily affects white blood cells and is not directly related to fatigue or energy levels. Choice D is incorrect as G-CSF does increase the white blood cell count but does not usually elevate it to 20,000 mm3.
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