ATI RN
ATI Pathophysiology Exam
1. 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.
2. In a male patient with benign prostatic hyperplasia (BPH) prescribed tamsulosin (Flomax), what is the expected therapeutic effect of this medication?
- A. Decreased urinary frequency and urgency
- B. Increased urinary output
- C. Decreased blood pressure
- D. Increased hair growth
Correct answer: A
Rationale: The correct answer is A: Decreased urinary frequency and urgency. Tamsulosin is prescribed for patients with BPH to relax the muscles in the prostate and bladder neck. This relaxation helps in relieving the symptoms of BPH, such as decreased urinary flow, frequent urination, and urgency. Choice B is incorrect because tamsulosin does not increase urinary output but rather improves the flow of urine by relaxing the muscles. Choice C is incorrect as tamsulosin is not primarily used for reducing blood pressure. Choice D is also incorrect as tamsulosin does not promote increased hair growth.
3. A patient with a history of breast cancer is prescribed tamoxifen (Nolvadex). What critical information should the nurse include in the patient education?
- A. Tamoxifen may increase the risk of venous thromboembolism, so patients should be educated about the signs and symptoms of blood clots.
- B. Tamoxifen may cause weight gain, so patients should monitor their diet.
- C. Tamoxifen may decrease the risk of osteoporosis, so patients should ensure adequate calcium intake.
- D. Tamoxifen may cause hot flashes and other menopausal symptoms.
Correct answer: A
Rationale: Tamoxifen increases the risk of venous thromboembolism, so patients should be educated about the signs and symptoms of blood clots and the importance of seeking immediate medical attention if they occur.
4. What is the best method to identify which type of stroke the client has?
- A. Obtain a 12-lead electrocardiogram STAT
- B. Obtain a blood specimen for electrolytes and blood cultures
- C. Ask the client about current allergies
- D. Obtain a cranial computerized tomogram (CT) STAT
Correct answer: D
Rationale: The correct answer is to obtain a cranial computerized tomogram (CT) STAT. A cranial CT scan is the best method to quickly identify the type of stroke a client is experiencing. Options A, B, and C are not appropriate for identifying the type of stroke as they are not specific to assessing stroke types.
5. What are the major mechanisms of spinal cord injuries?
- A. Hypoextension, expansion, hyperflexion
- B. Hyperflexion, expansion, hypometabolism
- C. Hypermetabolism, compression, hyperextension
- D. Hyperextension, hyperflexion, compression
Correct answer: D
Rationale: The correct answer is D. Spinal cord injuries commonly occur due to hyperextension, hyperflexion, and compression. Hyperextension and hyperflexion refer to the excessive bending or stretching of the spinal cord, while compression is the exertion of pressure on the spinal cord. These mechanisms can lead to damage such as contusions, lacerations, and compression of the spinal cord. Choices A, B, and C are incorrect as they do not accurately represent the major mechanisms of spinal cord injuries.
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