Nokea
The most common coronary artery anomaly in Tetralogy of Fallot is
- A. Left anterior descending artery from right aortic sinus
- B. Single coronary artery from right aortic sinus
- C. Single coronary artery from left aortic sinus
- D. Left circumflex coronary artery from right aortic sinus
Correct Answer: A
Rationale: The most common coronary artery anomaly in Tetralogy of Fallot is the left anterior descending artery arising from the right aortic sinus.
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A nurse is caring for a child with Down syndrome. Which statement by the parent indicates the need for further teaching?
- A. I will make sure my child has regular hearing screenings.
- B. I will encourage my child to be active and participate in play.
- C. I should monitor my child's thyroid function regularly.
- D. I should avoid giving my child a multivitamin supplement.
Correct Answer: D
Rationale: Children with Down syndrome may benefit from a multivitamin supplement, especially if they are at risk for nutritional deficiencies.
Sinus bradycardia in neonates is considered if sinus rate is
- A. <100 beats/min
- B. <90 beats/min
- C. <80 beats/min
- D. <70 beats/min
Correct Answer: A
Rationale: Sinus bradycardia in neonates is typically defined as a heart rate <100 beats/min.
A nurse is preparing to administer an angiotensin-converting enzyme (ACE) inhibitor. Which drug should the nurse administer?
- A. Captopril (Capoten)
- B. Furosemide (Lasix)
- C. Spironolactone (Aldactone)
- D. Chlorothiazide (Diuril)
Correct Answer: A
Rationale: Captopril is an ACE inhibitor. Furosemide is a loop diuretic. Spironolactone blocks the action of aldosterone. Chlorothiazide works on the distal tubules.
Sudden death in an athlete immediately after forceful blunt trauma to the chest is most likely
- A. commotio cordis
- B. myocardial infarction
- C. lacerated coronary artery
- D. ruptured cardiac tendineae
Correct Answer: A
Rationale: Commotio cordis occurs due to sudden arrhythmias triggered by chest trauma during a vulnerable phase of the cardiac cycle.
All of the following reduces intensity of first heart sound (S1) except
- A. Mechanical ventilation
- B. Calcific mitral stenosis
- C. Short PR interval
- D. LV dysfunction
Correct Answer: B
Rationale: Calcific mitral stenosis typically increases the intensity of the first heart sound (S1).