ATI RN
Pathophysiology Final Exam
1. A public health nurse is responsible for the administration of numerous immunizations. Which of the following guidelines regarding anaphylaxis should the nurse adhere to?
- A. The patient should be observed for anaphylaxis for 1 minute after administration.
- B. The patient should be observed for anaphylaxis for 5 minutes after administration.
- C. The patient should be observed for anaphylaxis for 30 minutes after administration.
- D. The patient should be observed for anaphylaxis for 90 minutes after administration.
Correct answer: C
Rationale: The correct answer is C: 'The patient should be observed for anaphylaxis for 30 minutes after administration.' This is because anaphylaxis can occur within minutes of administration of an immunization. By observing the patient for 30 minutes, the nurse can promptly identify and manage any signs of anaphylaxis. Choices A, B, and D are incorrect as they suggest shorter or longer observation periods, which may not be sufficient to detect and respond to anaphylaxis in a timely manner.
2. 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.
3. An older adult patient has just sheared the skin on her elbow while attempting to boost herself up in bed, an event that has precipitated acute inflammation in the region surrounding the wound. Which of the following events will occur during the vascular stage of the patient's inflammation?
- A. Outpouring of exudate into interstitial spaces
- B. Chemotaxis
- C. Accumulation of leukocytes along epithelium
- D. Phagocytosis of cellular debris
Correct answer: A
Rationale: During the vascular stage of inflammation, there is an outpouring of exudate into the interstitial spaces, leading to swelling and edema. Choice B, chemotaxis, occurs during the cellular stage of inflammation, where leukocytes move to the site of injury in response to chemical signals. Choice C, accumulation of leukocytes along the epithelium, is not a typical event during the vascular stage. Phagocytosis of cellular debris, as in choice D, mainly occurs during the resolution stage of inflammation.
4. A 34-year-old woman has presented to the clinic for the first time, and the nurse learns that she has been taking Depo Provera for the past 13 years. This aspect of the woman's medical history should prompt what assessment?
- A. Cardiac stress testing
- B. Renal ultrasound
- C. Bone density testing
- D. Evaluation of triglyceride levels
Correct answer: C
Rationale: The correct answer is bone density testing (Choice C). Long-term use of Depo Provera, a hormonal contraceptive, is associated with decreased bone mineral density. Assessing bone density is crucial to monitor for potential osteoporosis. Cardiac stress testing (Choice A) is not indicated based on the medication history provided. Renal ultrasound (Choice B) and evaluation of triglyceride levels (Choice D) are not directly related to the use of Depo Provera.
5. What is the purpose of the inflammatory response?
- A. Prevents blood from entering the injured tissue
- B. Elevates body temperature to prevent spread of infection
- C. Prevents formation of abscess
- D. Minimizes injury and promotes healing
Correct answer: D
Rationale: The inflammatory response is a protective mechanism triggered by tissue damage or infection. It aims to minimize injury by removing harmful stimuli and initiating the healing process. Choice A is incorrect because blood flow to the injured tissue is actually increased to deliver immune cells and nutrients. Choice B is incorrect because while fever is a response to infection, it is not the primary purpose of the inflammatory response. Choice C is incorrect because abscess formation can occur as part of the inflammatory response in an attempt to contain an infection.
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