A child diagnosed with congestive heart failure (CHF) is receiving maintenance doses of digoxin and furosemide. She is rubbing her eyes when looking at the lights in the room, and her HR is 70 beats per minute. The nurse expects which laboratory finding?
- A. Hypokalemia
- B. Hypomagnesemia
- C. Hypocalcemia
- D. Hypophosphatemia
Correct Answer: A
Rationale: The child's eye rubbing may indicate seeing halos (a sign of digoxin toxicity), and the slow HR supports this. Furosemide can cause hypokalemia, increasing the risk for digoxin toxicity.
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An overweight, young adult made who was recently diagnosed with type 2 diabetes mellitus is admitted for a hernia repair. He tells the nurse that he is feeling very weak and jittery. Which actions should the nurse implement? (Select all that apply.)
- A. Check his fingerstick glucose level
- B. Assess his skin temperature and moisture
- C. Measure his pulse and blood pressure
- D. Document anxiety on the surgical checklist
Correct Answer: C
Rationale: These actions help assess for hypoglycemia, a common issue in diabetic patients, and ensure appropriate intervention.
The MOST common cause of sudden death in competitive athletes is
- A. aortic stenosis
- B. hypertrophic cardiomyopathy
- C. coronary artery abnormalities
- D. myocarditis
Correct Answer: B
Rationale: Hypertrophic cardiomyopathy is the leading cause of sudden death in competitive athletes.
Bronchoconstriction is a recognised side effect of:
- A. Captopril
- B. Salbutamol
- C. Ibuprofen
- D. Paracetamol
Correct Answer: B
Rationale: Salbutamol can cause bronchoconstriction in some cases due to its paradoxical effect, especially if overused or misused.
Following are correctly matched
- A. Tuberous sclerosis-Cardiac rhabdomyoma
- B. WPW syndrome-SVT
- C. Maternal SLE-Irreversible complete heart block
- D. Parvo B19-Roseola infectiosum
Correct Answer: A
Rationale: Tuberous sclerosis is associated with cardiac rhabdomyomas.
The vast majority of tumors originating from the heart are benign. Of the following, the MOST common pediatric cardiac tumors are
- A. fibromas
- B. rhabdomyomas
- C. myxomas
- D. hemangiomas
Correct Answer: B
Rationale: Rhabdomyomas are the most common benign cardiac tumors in children.
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