What are FOUR possible causes of left axis deviation in a newborn with features of Trisomy 21?
- A. AVSD
- B. Tricuspid atresia
- C. Pulmonary atresia with intact ventricular septum
- D. Mechanical shift
Correct Answer: A
Rationale: AVSD is a common congenital heart defect associated with Trisomy 21 and can lead to left axis deviation seen on ECG.
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A male client with bilateral carpal tunnel syndrome reports to the nurse that the pain and tingling he is experiencing worsens at night. What client teaching should the nurse provide?
- A. Elevate the hands on two pillows at night
- B. Notify the healthcare provider as soon as possible
- C. Wear braces as both wrists during the night
- D. Apply cold compresses for 30 minutes before bedtime
Correct Answer: C
Rationale: Wearing wrist braces during the night helps prevent exacerbation of carpal tunnel syndrome symptoms.
Complement C3 levels are decreased in:
- A. Systemic lupus erythematoses
- B. Henoch-Schoenlein purpura
- C. Haemolytic uraemic syndrome
- D. Type II membrano-proliferative glomerulonephritis
Correct Answer: A
Rationale: Decreased C3 levels are characteristic of systemic lupus erythematosus due to immune complex deposition and complement consumption.
SVT in children differ from physiologic sinus tachycardia by all the following EXCEPT
- A. sudden onset and termination
- B. persistent ventricular rate of >180 bpm
- C. fixed RR interval on ECG
- D. evident change in heart rate with activity
Correct Answer: D
Rationale: Physiologic sinus tachycardia can show changes in heart rate with activity, unlike SVT which has a fixed rate.
List FOUR other cardiac manifestations for Marfan’s syndrome, aside from aortopathy.
- A. Mitral valve prolapse/regurgitation
- B. Calcification of the mitral valve <40 years
- C. Dilation of pulmonary artery
- D. Dilation or dissection of ascending/descending aorta (<50 years old)
Correct Answer: A
Rationale: Marfan's syndrome may involve multiple cardiac complications including mitral valve prolapse and other structural heart abnormalities.
The nurse is caring for a child with a diagnosis of Kawasaki disease. The child’s parent asks the nurse, “How does Kawasaki disease affect my child’s heart and blood vessels?†On what understanding is the nurse’s response based?
- A. Inflammation weakens blood vessels, leading to aneurysm.
- B. Increased lipid levels lead to the development of atherosclerosis.
- C. Untreated disease causes mitral valve stenosis.
- D. Altered blood flow increases cardiac workload with resulting heart failure.
Correct Answer: A
Rationale: Inflammation of vessels weakens the walls of the vessels and often results in aneurysm.