ATI RN
ATI Pathophysiology Exam 3
1. What is the process of moving air into the lungs with subsequent distribution to the alveoli called?
- A. Ventilation
- B. Aeration
- C. Enclosure vapor
- D. Residual volume
Correct answer: A
Rationale: The correct answer is A: Ventilation. Ventilation is the process of moving air into the lungs and distributing it to the alveoli for gas exchange. Choice B, Aeration, is not the correct term for this specific process. Choice C, Enclosure vapor, is not related to the movement of air into the lungs. Choice D, Residual volume, refers to the amount of air left in the lungs after maximal expiration and is not the process of moving air into the lungs.
2. In gout, a man has developed large, hard nodules around his toes and elbows. The phase of gout he is in is:
- A. asymptomatic.
- B. acute flare.
- C. the intercritical period.
- D. chronic gout.
Correct answer: D
Rationale: The man's presentation of large, hard nodules around his toes and elbows is indicative of tophi formation, which is characteristic of chronic gout. Tophi are deposits of uric acid crystals that can develop over time in untreated or poorly managed gout. During the chronic phase of gout, tophi can form in joints, soft tissues, and organs. Asymptomatic refers to a phase where there are no symptoms present. Acute flare is characterized by sudden and severe joint pain and inflammation. The intercritical period is the time between gout attacks when the patient is symptom-free.
3. Innate resistance or immunity:
- A. Involves 'memory'
- B. Is a development of an individual's later years
- C. Is a relatively slow and specific process
- D. Depends on physical, mechanical, and biochemical barriers
Correct answer: D
Rationale: Innate resistance or immunity relies on the body's natural defenses like physical, mechanical, and biochemical barriers. These barriers act as the first line of defense against pathogens and do not involve memory (choice A). Innate immunity is present from birth and does not develop over an individual's later years (choice B). Additionally, innate immunity is a rapid and nonspecific process, not a slow and specific one (choice C). Therefore, the correct answer is D.
4. Which of the following would the nurse see in a client with thrombocytopenia?
- A. A decreased platelet cell count
- B. Decreased white blood cell count
- C. Increased red blood cell count
- D. An increased platelet cell count
Correct answer: A
Rationale: Thrombocytopenia is characterized by a decreased platelet cell count, leading to an increased risk of bleeding. Therefore, the correct answer is A. Choice B, a decreased white blood cell count, is not typically associated with thrombocytopenia. Choice C, an increased red blood cell count, is not a characteristic finding in thrombocytopenia. Choice D, an increased platelet cell count, is the opposite of what is observed in thrombocytopenia.
5. Hematopoiesis occurs primarily in the bone marrow. What cells are formed during this process?
- A. Pancreatic beta cells
- B. Red blood cells
- C. Gastric parietal cells
- D. Neurons and glial cells
Correct answer: B
Rationale: The correct answer is B: Red blood cells. Hematopoiesis is the process of blood cell formation that primarily occurs in the bone marrow. Red blood cells are one of the main cell types formed during this process. Pancreatic beta cells (Choice A), gastric parietal cells (Choice C), and neurons and glial cells (Choice D) are not formed during hematopoiesis. Pancreatic beta cells are involved in insulin production, gastric parietal cells secrete gastric acid, and neurons and glial cells are part of the nervous system.
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