Genetics and Congenital Anomalies

Chapter 21 Genetics and Congenital Anomalies




1. The parents of an infant with an autosomal dominant disorder ask the nurse about their chances of having another baby with the same disorder. The nurse should explain that:


A. all future babies born to the parents will have the disorder.

B. no future babies born to the parents will have this disorder.

C. there is a 50% chance with each pregnancy of having another affected offspring.

D. if the baby is a girl, she will be a carrier; if the baby is a boy, there is a 50% chance that he will have the disorder.

2. Loss of a chromosomal segment is called:


A. deletion.

B. mosaicism.

C. translocation.

D. nondisjunction.

3. The clinical features of VATER association include:


A. abdominal mass, imperforate anus, and myelodysplasia.

B. anal atresia, vertebral abnormalities, and cardiac defects.

C. anal atresia, tracheoesophageal fistula, and dysplasia of the kidneys.

D. abdominal mass, ventricular septal defect, and a single umbilical artery.

4. An infant is born with an amputated hand caused by amniotic bands. This defect is an example of which of the following?


A. Sequence
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Related posts:

  1. Adaptation to Extrauterine Life
  2. Pharmacology
  3. Neurologic Disorders
  4. Legal Issues

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Jul 11, 2016 | Posted by in NURSING | Comments Off on Genetics and Congenital Anomalies

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