Nokea
Which is the leading cause of death after heart transplantation?
- A. Infection
- B. Rejection
- C. Cardiomyopathy
- D. Heart failure
Correct Answer: B
Rationale: The posttransplant course is complex. The leading cause of death after cardiac transplantation is rejection. Infection is a continued risk secondary to the immunosuppression necessary to prevent rejection. Cardiomyopathy is one of the indications for cardiac transplant. Heart failure is not a leading cause of death.
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Drug of choice for infective endocarditis due to HACEK organisms is
- A. Vancomycin
- B. Gentamicin
- C. Ampicillin
- D. Ceftriaxone
Correct Answer: D
Rationale: Ceftriaxone is the drug of choice for infective endocarditis due to HACEK organisms.
A 12-month-old infant who had cardiopulmonary bypass with RBC and plasma infusions during surgery at 8 months is seen for a well child examination. Which vaccine may be administered at this visit?
- A. Measles
- B. mumps
- C. and rubella (MMR)
- D. Oral polio vaccine (OPV)
Correct Answer: C
Rationale: Live vaccines should be delayed until 6 months after cardiopulmonary bypass and exposure to RBCs and plasma. PCV-13 is not a live-virus vaccine.
A nursing action that promotes ideal nutrition in an infant with congestive heart failure (CHF) is:
- A. Feeding formula that is supplemented with additional calories.
- B. Allowing the infant to nurse at each breast for 20 minutes.
- C. Providing large feedings every 5 hours.
- D. Using firm nipples with small openings to slow feedings.
Correct Answer: A
Rationale: Supplementing formula with extra calories increases the caloric density to support growth in infants with CHF.
The most common cardiac anomaly associated with Coarctation of aorta is
- A. Bicuspid aortic valve
- B. Subaortic ventricular septal defect
- C. Atrial septal defect
- D. Supramitral ring
Correct Answer: A
Rationale: Bicuspid aortic valve is the most common cardiac anomaly associated with coarctation of the aorta.
In the most common type of CAH:
- A. Autosomal dominant transmission occurs
- B. II -Hydroxylase is deficient
- C. Hypertension is seen
- D. 17-OH progesterone is increased
Correct Answer: D
Rationale: 17-OH progesterone is increased: In congenital adrenal hyperplasia (CAH), the most common form is 21-hydroxylase deficiency, leading to increased 17-hydroxyprogesterone levels.