NUR 345 -Exam I Study Guide.

NUR 345 -Exam I Study Guide/NUR 345 -Exam I Study Guide. I. Be familiar with the different categories of genetic testing and examples that belong in each category. a. Newborn screening is the most widespread type of genetic testing. It is an important public health program that can find disorders in newborns that might have long-term health effects. Newborn screening analyzes infant blood samples for abnormal or missing gene products (proteins). Regulations vary from state to state, but all states are now required by law to test for at least 21 disorders, although some states test for 30 or more disorders. These programs now test for disorders that can lead to increased risk of infectious disease, premature death, hearing loss, and heart problems.