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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Insulin-like growth factor-l (IGF-I):
- A. Increases during pubertal growth spurt
- B. Is a single polypeptide chain
- C. Is produced in pancreas
- D. Is secreted in a pulsatile manner
Correct Answer: A
Rationale: IGF-I levels rise significantly during the pubertal growth spurt, contributing to rapid growth and development.
Coxsackie viruses are implicated in:
- A. Herpangina
- B. Dermatitis herpetiformis
- C. Meningitis
- D. Orchitis
Correct Answer: A
Rationale: Coxsackie viruses are a common cause of herpangina. They can also cause meningitis and orchitis, but dermatitis herpetiformis is not associated with Coxsackie viruses.
During a well baby examination of a 6-week-old infant, poor weight gain, acrocyanosis of the hands and feet, and a respiratory rate of 60 breaths per minute are noted. Oxygen saturation on room air is 93%. What is the correct action?
- A. Follow-up in 1 week to assess the infant's weight.
- B. Order a chest radiograph and an electrocardiogram.
- C. Reassure the parents that the exam is within normal limits.
- D. Refer the infant to a pediatric cardiologist.
Correct Answer: D
Rationale: Infants with oxygen saturation less than 95% and those with poor feeding should be referred emergently to a cardiologist.
While looking through the chart of an infant with a congenital heart defect (CHD) of decreased pulmonary blood flow, the nurse would expect which laboratory finding?
- A. Decreased platelet count
- B. Decreased ferritin level
- C. Respiratory alkalosis
- D. Polycythemia
Correct Answer: D
Rationale: Polycythemia is often seen in infants with congenital heart defects that cause decreased pulmonary blood flow, as the body produces more red blood cells to compensate for low oxygen levels.
Three days after a female client with multiple sclerosis (MS) is admitted to the hospital with a severe urinary tract infection, she reports experiencing double vision. Which intervention should the nurse implement?
- A. Patch one eye and then the other every few hours
- B. Encourage bedrest until the diplopia is resolved
- C. Instruct the client to limit intake of oral fluids
- D. Administer artificial tear drops to both eyes
Correct Answer: A
Rationale: Patching each eye helps alleviate double vision caused by MS-related vision impairment.