ATI RN
Pathophysiology Exam 1 Quizlet
1. A 20-year-old college student has presented to the campus medical clinic seeking to begin oral contraceptive therapy. The nurse has recognized the need for adequate health education related to the patient's request. The nurse should emphasize the fact that successful prevention of pregnancy depends primarily on the patient's
- A. current health status.
- B. vigilant adherence to the drug regimen.
- C. knowledge of sexual health.
- D. risk factors for adverse effects.
Correct answer: B
Rationale: The correct answer is B: 'vigilant adherence to the drug regimen.' When initiating oral contraceptive therapy, the success of preventing pregnancy relies heavily on the patient's commitment to following the prescribed regimen consistently. Compliance with taking the oral contraceptives as directed is crucial for their effectiveness. Choice A, 'current health status,' is not the primary factor for successful prevention of pregnancy with oral contraceptives. Choice C, 'knowledge of sexual health,' while important, is not the primary determinant of contraceptive efficacy. Choice D, 'risk factors for adverse effects,' though relevant for monitoring and managing side effects, is not the primary focus for ensuring contraceptive success.
2. A patient's current medical condition is suggestive of impaired erythropoiesis. Which of the following laboratory studies would be most clinically relevant in diagnosing this health problem?
- A. White blood cell count with differential
- B. RBC, hemoglobin, and hematocrit
- C. INR and aPTT
- D. d-dimer and C-reactive protein
Correct answer: B
Rationale: In this scenario, where impaired erythropoiesis is suspected, the most clinically relevant laboratory studies would focus on red blood cell parameters. Therefore, assessing RBC count, hemoglobin levels, and hematocrit values would provide direct insights into erythropoiesis. Choices A, C, and D are not directly related to erythropoiesis assessment. White blood cell count with a differential is more indicative of immune response and infection. INR and aPTT are coagulation studies, while d-dimer and C-reactive protein levels are more associated with inflammation and thrombotic events.
3. A patient is being treated with hormone replacement therapy (HRT) for menopausal symptoms. What are the risks associated with long-term HRT that the nurse should discuss with the patient?
- A. HRT may increase the risk of cardiovascular events and breast cancer.
- B. HRT may decrease the risk of osteoporosis.
- C. HRT may increase the risk of venous thromboembolism.
- D. HRT may improve mood and energy levels.
Correct answer: A
Rationale: The correct answer is A. Long-term HRT is associated with increased risks of cardiovascular events and breast cancer. These risks should be discussed with the patient to ensure they are informed about the potential adverse effects. Choice B is incorrect because HRT does not decrease the risk of osteoporosis; in fact, it may increase the risk of certain conditions like cardiovascular events. Choice C is incorrect as HRT is associated with an increased risk of venous thromboembolism, not a decreased risk. Choice D is incorrect because while HRT may have positive effects like improving symptoms of menopause, it is not primarily indicated for improving mood and energy levels.
4. A 30-year-old woman presents with joint pain, a malar rash, and photosensitivity. Which of the following is the most likely diagnosis?
- A. Rheumatoid arthritis
- B. Systemic lupus erythematosus
- C. Psoriatic arthritis
- D. Dermatomyositis
Correct answer: B
Rationale: The correct answer is B: Systemic lupus erythematosus. Joint pain, a malar rash, and photosensitivity are classic symptoms of systemic lupus erythematosus. Choice A, Rheumatoid arthritis, is incorrect as it typically presents with symmetric joint involvement and morning stiffness. Psoriatic arthritis (Choice C) is characterized by joint pain associated with psoriasis, which is not described in the case. Dermatomyositis (Choice D) presents with muscle weakness, skin rash, and elevated muscle enzymes, different from the symptoms presented in the case.
5. Which of the following correctly identifies the plasma protein inflammatory mediator systems?
- A. Phagocytic, interferon, and complement systems.
- B. Complement, fibrinolytic, and clotting systems.
- C. Complement, clotting, and kinin systems.
- D. Complement, clotting, and acute phase reactant systems.
Correct answer: C
Rationale: The correct answer is C: Complement, clotting, and kinin systems. These are the three main plasma protein inflammatory mediator systems. The complement system helps in inflammation and immune responses, the clotting system is involved in blood coagulation, and the kinin system regulates inflammation and blood pressure. Choice A is incorrect because interferon is not part of the plasma protein inflammatory mediator systems. Choice B is incorrect because the fibrinolytic system is not a primary inflammatory mediator system. Choice D is incorrect because acute phase reactants are not part of the plasma protein inflammatory mediator systems.
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