Nokea
Hypertrophic obstructive cardiomyopathy
- A. Causes LV outflow tract obstruction
- B. Occurs after adenoviral infection
- C. Commonly occurs in infancy
- D. Double apical impulse
Correct Answer: A
Rationale: Hypertrophic obstructive cardiomyopathy primarily causes left ventricular outflow tract obstruction.
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Indications for an exchange transfusion include:
- A. ABO incompatibility
- B. Acute chest syndrome
- C. Sepsis
- D. Polycythaemia
Correct Answer: A
Rationale: Exchange transfusion is indicated in conditions like ABO incompatibility to prevent severe hemolytic disease in newborns. Acute chest syndrome sepsis polycythaemia and sickle nephropathy are not typical indications for exchange transfusion.
All are true about genotype - phenotype correlation in Brugada syndrome, except
- A. SCN5A mutation is associated with short PR interval
- B. LTCC mutation is associated with short QT interval
- C. Yield of genetic testing is low (25%)
- D. No major therapeutic implication of genetic testing
Correct Answer: D
Rationale: There are therapeutic implications of genetic testing in Brugada syndrome.
Regarding a supracristal VSD, the following are true EXCEPT
- A. incidence is higher in Asian children
- B. complicated by aortic insufficiency in 50-90% of patients
- C. aortic insufficiency is most often not recognized until late in the lst decade of life
- D. murmur of a supracristal VSD is usually heard at the mid to upper left sternal border
Correct Answer: D
Rationale: Closure of asymptomatic supracristal VSDs at the time of diagnosis is not recommended.
Which of the following is an example of humanized anti-human IL-6 receptor monoclonal antibody?
- A. Infliximab
- B. Adalimumab
- C. Tocilizumab
- D. Anakinra
Correct Answer: C
Rationale: Tocilizumab is a humanized monoclonal antibody that targets the IL-6 receptor, used in treating inflammatory conditions.
The primary care pediatric nurse practitioner is performing a sports physical on an adolescent whose history reveals mild aortic stenosis (AS). What will the nurse practitioner recommend?
- A. Avoidance of all sports to prevent sudden death
- B. Clearance for any sports since this is mild
- C. Evaluation by a cardiologist prior to participation
- D. Low-intensity sports
Correct Answer: C
Rationale: Children with mild AS may participate in any sport but must have annual cardiac evaluations.