ATI RN
Cardiovascular System Practice Exam
1. The client on digoxin has a potassium level of 2.7 mEq/L. What is the nurse’s priority action?
- A. Hold the digoxin and notify the healthcare provider.
- B. Administer the digoxin as ordered.
- C. Increase the dose of digoxin.
- D. Administer potassium supplements.
Correct answer: A
Rationale: The correct answer is to hold the digoxin and notify the healthcare provider. A potassium level of 2.7 mEq/L is considered low and can increase the risk of digoxin toxicity. Holding the medication and informing the healthcare provider is crucial to prevent adverse effects. Administering the digoxin as ordered (Choice B) would put the client at a higher risk for toxicity. Increasing the dose of digoxin (Choice C) is not appropriate when the client's potassium level is low. Administering potassium supplements (Choice D) may be necessary but is not the priority action in this situation.
2. Metabolic control is especially important for women with gestational diabetes to ensure the infant does not develop:
- A. microsomia
- B. macrosomia
- C. type 1 diabetes
- D. type 2 diabetes
Correct answer: B
Rationale: Metabolic control is crucial for women with gestational diabetes to prevent the development of macrosomia, which is characterized by an abnormally large baby. This condition poses risks such as birth injuries and necessitates careful management of blood sugar levels. Microsomia is not a known term related to this context. Type 1 and type 2 diabetes are not conditions the infant would develop as a result of gestational diabetes in the mother.
3. Which of the following symptoms may be exhibited by a client with Crohn’s disease?
- A. Bloody diarrhea
- B. Narrow stools
- C. N/V
- D. Steatorrhea
Correct answer: D
Rationale: Clients with Crohn's disease may exhibit symptoms such as steatorrhea, which is the presence of excess fat in the stool.
4. Which nutrient is most important for maintaining fluid balance in the body?
- A. Protein
- B. Sodium
- C. Calcium
- D. Vitamin C
Correct answer: B
Rationale: Sodium plays a key role in maintaining fluid balance and regulating blood pressure.
5. A client requires a 24-hr urine collection. Which of the following statements by the client indicates an understanding of the teaching?
- A. ''I had a bowel movement, but I was able to save the urine.''
- B. ''I have a specimen in the bathroom from about 30 minutes ago.''
- C. ''I drink a lot, so I will fill up the bottle and complete the test quickly.''
- D. ''I flushed what I urinated at 7:00 a.m. and have saved all urine since.''
Correct answer: C
Rationale: Option C demonstrates an understanding of the need to collect urine over 24 hours. The client's statement shows awareness that increased fluid intake will help in filling up the collection bottle quickly, which is essential for an accurate test result. This choice reflects the correct understanding of the teaching. Options A, B, and D do not reflect the necessary comprehension for a 24-hr urine collection process. Option A involves a bowel movement, which is not relevant to a urine collection. Option B only mentions a specimen from 30 minutes ago, not over a 24-hour period. Option D indicates flushing urine, which contradicts the idea of saving all urine for the test.
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