ATI RN
ATI Capstone Medical Surgical Assessment 2 Quizlet
1. What precaution should be advised to patients following cataract surgery?
- A. Wear dark glasses while outdoors
- B. Use warm compresses
- C. Avoid NSAIDs
- D. Avoid bright lights
Correct answer: A
Rationale: Patients who have undergone cataract surgery should wear dark glasses when outdoors to shield their eyes from light exposure, which can be uncomfortable or harmful during the recovery period. Using warm compresses (choice B) is not typically recommended after cataract surgery as it's more relevant for certain eye conditions. Avoiding NSAIDs (choice C) is advised to prevent bleeding complications, but it is not directly related to eye protection post-surgery. While avoiding bright lights (choice D) is crucial, wearing dark glasses provides a practical solution to achieve this, making choice A the most appropriate precaution.
2. What are the early signs of compartment syndrome?
- A. Unrelieved pain, pallor, and pulselessness
- B. Localized redness and swelling
- C. Fever and infection
- D. Loss of sensation in the affected area
Correct answer: A
Rationale: The correct answer is A: Unrelieved pain, pallor, and pulselessness. These signs are typical early indicators of compartment syndrome, suggesting compromised circulation. Choice B, localized redness and swelling, can be seen in conditions like cellulitis but are not specific to compartment syndrome. Choice C, fever and infection, are not characteristic early signs of compartment syndrome. Choice D, loss of sensation in the affected area, is more indicative of nerve damage rather than being one of the early signs of compartment syndrome.
3. What lab value should be prioritized in a patient with HIV?
- A. CD4 T-cell count below 180 cells/mm3
- B. Hemoglobin levels
- C. Serum albumin levels
- D. White blood cell count
Correct answer: A
Rationale: The correct answer is A: CD4 T-cell count below 180 cells/mm3. In a patient with HIV, monitoring the CD4 T-cell count is crucial as it reflects the status of the immune system. A CD4 T-cell count below 200 cells/mm3 indicates severe immunocompromise and risk of opportunistic infections. Hemoglobin levels (choice B) are important for assessing anemia but do not directly reflect the immune status in HIV patients. Serum albumin levels (choice C) are indicators of nutritional status and inflammation, not specific to HIV disease progression. White blood cell count (choice D) may fluctuate due to various conditions and is not as specific as the CD4 T-cell count in assessing HIV progression.
4. What are the expected changes on an ECG for a patient with hypokalemia?
- A. Flattened T waves
- B. Prominent U waves
- C. ST elevation
- D. Wide QRS complexes
Correct answer: A
Rationale: Flattened T waves are an early sign of hypokalemia on an ECG. Hypokalemia primarily manifests as flattened T waves on an ECG. While prominent U waves can be seen in hypokalemia, they are not as specific as flattened T waves. ST elevation is more commonly associated with conditions like myocardial infarction rather than hypokalemia. Wide QRS complexes are typically not a feature of hypokalemia on an ECG.
5. What is the first medication to give to a patient with an allergic reaction causing wheezing?
- A. Albuterol 3 ml via nebulizer
- B. Methylprednisolone 100 mg IV
- C. Cromolyn 20 mg via nebulizer
- D. Aminophylline 500 mg IV
Correct answer: A
Rationale: The correct answer is A, Albuterol 3 ml via nebulizer. Albuterol is a fast-acting bronchodilator that helps relieve wheezing by relaxing the muscles in the airways, making it the first-line treatment for wheezing caused by bronchospasms in allergic reactions. Methylprednisolone (Choice B) is a corticosteroid used for its anti-inflammatory properties and is typically given after bronchodilators. Cromolyn (Choice C) is a mast cell stabilizer that is used for the prevention of asthma symptoms, not for immediate relief. Aminophylline (Choice D) is a bronchodilator that is less commonly used nowadays due to its narrow therapeutic window and potential for toxicity.
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