ATI RN
Pathophysiology Practice Exam
1. How are antibodies produced?
- A. B cells
- B. T cells
- C. Helper cells
- D. Memory cells
Correct answer: A
Rationale: Antibodies are produced by B cells. B cells are specialized white blood cells that generate antibodies as part of the immune response. B cells differentiate into plasma cells that secrete antibodies. T cells play a role in cell-mediated immunity, not antibody production. Helper cells, or helper T cells, assist in activating B cells but do not directly produce antibodies. Memory cells store information about previous infections but do not actively produce antibodies.
2. After a thoracentesis on a client with a pleural effusion, which nursing intervention is most important post-procedure?
- A. Monitor for signs of infection.
- B. Assess for signs of bleeding or hematoma.
- C. Monitor vital signs and respiratory status.
- D. Instruct the client to rest and limit physical activity.
Correct answer: B
Rationale: The correct answer is to assess for signs of bleeding or hematoma. After a thoracentesis, it is crucial to monitor for any bleeding or hematoma formation at the puncture site, as this can lead to complications. Monitoring for signs of infection (Choice A) is essential but is usually a delayed concern compared to the immediate risk of bleeding post-procedure. While monitoring vital signs and respiratory status (Choice C) is important, assessing for bleeding takes precedence to address any immediate complications. Instructing the client to rest and limit physical activity (Choice D) is relevant for general post-procedure care but is not the most critical intervention in this scenario.
3. A 67-year-old man is receiving androgen therapy for osteoporosis. What laboratory test should the nurse monitor during this therapy?
- A. Liver function tests
- B. Blood glucose levels
- C. Prostate-specific antigen (PSA)
- D. Cholesterol levels
Correct answer: A
Rationale: During androgen therapy, monitoring liver function tests is crucial to detect any signs of liver dysfunction. Androgens can potentially impact liver function, making it essential to monitor enzymes such as ALT and AST. While blood glucose levels and cholesterol levels are important parameters to monitor in certain situations, they are not the primary focus during androgen therapy for osteoporosis. Prostate-specific antigen (PSA) monitoring is more relevant in the context of prostate health and cancer screening, not specifically during androgen therapy for osteoporosis.
4. What important instruction should the nurse provide about taking medroxyprogesterone acetate (Provera) for a patient with endometriosis?
- A. Take the medication at the same time each day to maintain consistent hormone levels.
- B. Medroxyprogesterone should be taken with food to reduce gastrointestinal upset.
- C. Discontinue medroxyprogesterone if side effects occur.
- D. Medroxyprogesterone should be taken once a week to maintain effectiveness.
Correct answer: A
Rationale: The correct answer is to take the medication at the same time each day to maintain consistent hormone levels and effectiveness. This consistency is crucial for achieving therapeutic outcomes. Choice B is incorrect because medroxyprogesterone should be taken at the same time each day, regardless of food intake. Choice C is incorrect because side effects should be reported to the healthcare provider for further evaluation rather than discontinuing the medication abruptly. Choice D is incorrect as medroxyprogesterone is usually taken daily for the prescribed duration.
5. Which of the following tests is recommended for lung cancer screening?
- A. Chest X-ray
- B. Pulmonary function test
- C. Computed tomography (CT) scan
- D. Magnetic resonance imaging
Correct answer: C
Rationale: The correct answer is Computed tomography (CT) scan. When screening for lung cancer, CT scans are recommended over chest X-rays due to their higher sensitivity in detecting lung nodules and early-stage cancers. Pulmonary function tests are not used for screening lung cancer but rather to assess lung function. Magnetic resonance imaging is not the preferred imaging modality for routine lung cancer screening, as CT scans are more commonly used.
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