ATI RN
ATI Capstone Medical Surgical Assessment 1 Quizlet
1. What is the primary concern for a patient with a CD4 T-cell count below 180 cells/mm³?
- A. Increased risk of severe infection
- B. Increased risk of anemia
- C. Increased risk of bleeding
- D. Increased risk of dehydration
Correct answer: A
Rationale: A CD4 T-cell count below 180 cells/mm³ indicates a severely immunocompromised state, leading to an increased risk of severe infection. In individuals with low CD4 counts, the immune system is significantly weakened, making them more susceptible to opportunistic infections. Anemia (choice B), bleeding (choice C), and dehydration (choice D) are not the primary concerns associated with a low CD4 T-cell count. While these conditions may occur as secondary effects or complications, the primary focus is on preventing and managing severe infections in patients with severely compromised immune systems.
2. What are the priority lab values to monitor in a patient with HIV?
- A. CD4 T-cell count below 180 cells/mm3
- B. White blood cell count
- C. Hemoglobin levels
- D. Serum albumin levels
Correct answer: A
Rationale: The correct answer is A: CD4 T-cell count below 180 cells/mm3. Monitoring the CD4 T-cell count is crucial in patients with HIV as it indicates the level of immunocompromise. A CD4 count below 180 cells/mm3 is considered severe immunocompromise and requires close monitoring and intervention. Choices B, C, and D are not the priority lab values to monitor in HIV patients. While white blood cell count, hemoglobin levels, and serum albumin levels can provide valuable information about the patient's health status, they are not as specific or indicative of HIV disease progression and management as the CD4 T-cell count.
3. What ECG changes are seen with hyperkalemia?
- A. Flattened T waves
- B. Elevated ST segments
- C. Prominent U waves
- D. Widened QRS complex
Correct answer: A
Rationale: Flattened T waves are an early ECG sign of hyperkalemia. Hyperkalemia affects the repolarization phase of the cardiac action potential, leading to changes such as peaked T waves, prolonged PR interval, widened QRS complex, and ultimately sine wave pattern. Elevated ST segments, prominent U waves, and widened QRS complex are not typically associated with hyperkalemia, making choices B, C, and D incorrect.
4. What ECG changes should be monitored in a patient with hypokalemia?
- A. Flattened T waves and prominent U waves
- B. Elevated ST segments and wide QRS complexes
- C. Tall T waves and flattened QRS complexes
- D. Widened QRS complexes and decreased P wave amplitude
Correct answer: A
Rationale: The correct answer is A: Flattened T waves and prominent U waves. In hypokalemia, there is a decrease in potassium levels, which can lead to ECG changes such as flattened T waves and prominent U waves. These changes are classic findings associated with hypokalemia. Choices B (Elevated ST segments and wide QRS complexes), C (Tall T waves and flattened QRS complexes), and D (Widened QRS complexes and decreased P wave amplitude) are all incorrect. Elevated ST segments and wide QRS complexes are not typically seen in hypokalemia. Tall T waves and flattened QRS complexes, as well as widened QRS complexes and decreased P wave amplitude, do not represent the typical ECG changes seen in hypokalemia.
5. A client with heart failure is prescribed furosemide 20 mg PO twice daily. Which of the following instructions should the nurse include during discharge teaching?
- A. Monitor for increased blood pressure
- B. Increase intake of high-potassium foods
- C. Expect an increase in swelling in the hands and feet
- D. Take the second dose at bedtime
Correct answer: B
Rationale: The correct answer is to instruct the client to increase their intake of high-potassium foods. Furosemide can lead to hypokalemia, a condition of low potassium levels in the blood. Increasing the consumption of high-potassium foods helps prevent this adverse effect. Monitoring for increased blood pressure (choice A) is not directly related to furosemide use. Expecting an increase in swelling (choice C) is incorrect as furosemide is a diuretic that helps reduce swelling. Taking the second dose at bedtime (choice D) is not necessary unless prescribed by the healthcare provider.
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