With regard to prenatal genetic testing,nurses should be aware that:
A)Maternal serum screening can determine whether a pregnant woman is at risk of carrying a fetus with Down syndrome
B)Carrier screening tests look for gene mutations of people already showing symptoms of a disease
C)Predisposition testing predicts with near certainty that symptoms will appear
D)Presymptomatic testing is used to predict the likelihood of breast cancer

Question

Quizplus · Accepted Answer

Maternal serum screening identifies the risk for the neural tube defect and the specific chromosome abnormality involved in Down syndrome.Carriers of some diseases,such as sickle cell disease,do not display symptoms.Predisposition testing determines susceptibility,such as for breast cancer.Presymptomatic testing indicates that if the gene is present,symptoms are certain to appear.

With Regard to Prenatal Genetic Testing,nurses Should Be Aware That