ATI RN
ATI Pathophysiology Exam 1
1. What is the major effect of filgrastim (Neupogen) in a patient with chronic renal failure?
- A. Decreases neutropenia related to chemotherapy
- B. Decreases white blood cells related to infection
- C. Decreases growth of blood vessels due to ischemia
- D. Decreases platelet count related to bleeding
Correct answer: A
Rationale: The major effect of filgrastim (Neupogen) is to stimulate the production of neutrophils, thereby decreasing neutropenia in patients undergoing chemotherapy. This medication helps the bone marrow produce more white blood cells, specifically neutrophils, to reduce the risk of infections associated with low neutrophil counts. Choices B, C, and D are incorrect because filgrastim does not decrease white blood cells related to infection, growth of blood vessels, or platelet count related to bleeding.
2. A college student has a TB test prior to starting the semester. The tuberculin test site is noted with a reddened, raised area. What condition will the student be diagnosed with if the chest radiograph is negative?
- A. Transmission
- B. Primary infection
- C. Latent tuberculosis
- D. Active tuberculosis
Correct answer: C
Rationale: If the chest radiograph is negative despite a positive tuberculin skin test, the student will be diagnosed with latent tuberculosis infection. Latent tuberculosis means the student has the TB bacteria in their body but does not feel sick and cannot spread the disease. Choice A, 'Transmission,' is incorrect as it refers to the spread of TB from person to person. Choice B, 'Primary infection,' is incorrect because primary infection occurs when a person is first infected with the TB bacteria. Choice D, 'Active tuberculosis,' is incorrect as this refers to the active form of the disease where the person feels sick and can spread TB to others.
3. Which symptoms are typical of asthma?
- A. Chest pain; cough
- B. Diarrhea; wheezing
- C. Wheezing; dyspnea
- D. Tachypnea; constipation
Correct answer: C
Rationale: The correct answer is C: Wheezing and dyspnea are typical symptoms of asthma. Wheezing refers to a high-pitched whistling sound while breathing, and dyspnea is shortness of breath. These symptoms are classic signs of airway obstruction and inflammation seen in asthma. Choice A is incorrect as chest pain is not a typical symptom of asthma, though coughing can occur. Choice B is incorrect as diarrhea is not associated with asthma, while wheezing is a common symptom. Choice D is incorrect as tachypnea (rapid breathing) can occur in asthma, but constipation is not a typical symptom.
4. Canola oil produced from genetically modified canola plants altered to be herbicide-resistant is an example of a:
- A. pesticide-free food.
- B. saturated fat food.
- C. genetically modified food.
- D. product that is pure.
Correct answer: C
Rationale: The correct answer is 'genetically modified food.' Canola oil derived from genetically modified canola plants falls into this category because the plant's genome has been altered to exhibit herbicide resistance. This genetic modification makes it a genetically modified food. Choice A, 'pesticide-free food,' is incorrect as the genetic modification is to resist herbicides, not pesticides. Choice B, 'saturated fat food,' is incorrect as it does not accurately describe the genetic modification of the canola plants. Choice D, 'product that is pure,' is too vague and does not address the genetic modification aspect of the canola plants.
5. A 50-year-old female was diagnosed with sideroblastic anemia. Which of the following assessment findings would most likely occur?
- A. Bronze-colored skin
- B. Decreased iron
- C. Normochromic erythrocytes
- D. Aplastic bone marrow
Correct answer: A
Rationale: The correct answer is A: 'Bronze-colored skin.' Sideroblastic anemia is characterized by excess iron deposition, leading to bronze-colored skin. This occurs due to the abnormal accumulation of iron in tissues. Choices B, C, and D are incorrect because sideroblastic anemia does not typically present with decreased iron levels, normochromic erythrocytes, or aplastic bone marrow.
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