The MOST common cyanotic congenital cardiac lesion to present in the newborn period is
- A. dextroposed heart
- B. transposition of great arteries
- C. tetralogy of Fallot
- D. truncus arteriosus
Correct Answer: B
Rationale: Transposition of the great arteries is the most common cyanotic congenital heart defect presenting in the neonatal period.
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Specific receptor defects occur in:
- A. Guillain-Barre syndrome
- B. Myasthenia gravis
- C. Graves' disease
- D. Ulcerative colitis
Correct Answer: B
Rationale: Myasthenia gravis is characterized by antibodies against acetylcholine receptors at the neuromuscular junction, leading to muscle weakness.
The following syndromes are caused by chromosomal abnormalities:
- A. Cri-du-chat syndrome
- B. Kearns-Sayre syndrome
- C. Marfan's syndrome
- D. Turner's syndrome
Correct Answer: D
Rationale: Turner's syndrome: Turner's syndrome is caused by a monosomy of the X chromosome, characterized by short stature, infertility, and heart defects.
Nurse Kelly is teaching the parents of a young child how to handle poisoning. If the child ingests poison, what should the parents do first?
- A. Administer ipecac syrup
- B. Call an ambulance immediately
- C. Call the poison control center
- D. Punish the child for being bad
Correct Answer: C
Rationale: Calling the poison control center provides immediate guidance on how to handle the specific type of poisoning and whether further medical intervention is needed.
Correct statement regarding congenital rubella syndrome (CRS) is
- A. CRS with vaccine-strain of virus has not been reported
- B. Re-infections during pregnancy do not result in CRS
- C. Administration of immune globulin immediately after exposure to a case during pregnancy is effective in preventing CRS
- D. Patent ductus arteriosus is the commonest manifestation of CRS
Correct Answer: A
Rationale: CRS with the vaccine-strain of the virus has not been reported, as the vaccine strain is attenuated and does not cause congenital infection.
The parent of a 1-year-old child with tetralogy of Fallot asks the nurse, “Why do my child’s fingertips look like that?†On what understanding does the nurse base a response?
- A. Clubbing occurs as a result of untreated congestive heart failure.
- B. Clubbing occurs as a result of a left-to-right shunting of blood.
- C. Clubbing occurs as a result of decreased cardiac output.
- D. Clubbing occurs as a result of chronic hypoxia.
Correct Answer: D
Rationale: Clubbing of the fingers develops in response to chronic hypoxia.