Author Question: Concerning amniocentesis, nurses should be aware that: 1. because of new imaging techniques, it ... (Read 94 times)

EAugust · **on:** Jun 27, 2018

Concerning amniocentesis, nurses should be aware that:

1. because of new imaging techniques, it is now possible in the first trimester.
2. despite the use of ultrasonography, complications still occur in the mother or in-fant in 5 to 10 of cases.
3. the shake test or bubble stability test is a quick means of determining fetal matur-ity.
4. the presence of meconium in the amniotic fluid is always cause for concern.

Question 2

Mr. J.'s wife is pregnant for the third time. One child was born with cystic fibrosis and the other is healthy. He questions the chance that this child will have cystic fibrosis. This type of testing is known as:

1. occurrence risk
2. recurrence risk.
3. predictive testing.
4. predisposition testing.

aprice35067 · **Reply #1 on:** Jun 27, 2018

Answer to Question 1

3
1. Incorrect. Amniocentesis is possible after the 14th week of pregnancy, when the uterus becomes an abdominal organ.
2. Incorrect. Complications occur in less than 1 of the cases; many have been minimalized or eliminated by using ultrasonography.
3. Correct. Diluted fluid is mixed with ethanol and shaken. After 15 minutes, the bubbles tell the story.
4. Incorrect. Meconium in the amniotic fluid before the beginning of labor is not usually a problem.

Answer to Question 2

2
1. Incorrect. If a couple has not yet had children but they are known to be at risk for having children with a genetic disease, they will be given an occurrence risk. This couple already has a child with a genetic disorder.
2. Correct. This couple already has a child with a genetic disease and will be given a re-currence risk.
3. Incorrect. Predictive testing is used to clarify the genetic status of an asymptomatic fami-ly member.
4. Incorrect. Predispositional testing differs from presymptomatic testing in that a positive result does not indicate 100 risk of developing a condition.