46. Why did Berkeley think that Lockeâs philosophy led to skepticism? a. Locke was an atheist and Berkleyâs purpose is to combat atheism. b. Lockeâs postulation of âmaterial substancesâ as causes of our ideas make the causes of our ideas unknowable. c. Lockeâs distinction between primary and secondary qualities is unacceptable. d. Locke failed to distinguish between primary and secondary qualities. 47. What does âto be is to be perceived â mean? a.
Amniocentesis is a procedure used to obtain a small sample of the amniotic fluid that surrounds the fetus during pregnancy. Amniotic fluid is a clear, pale yellow fluid made by the fetus. The fluid protects the fetus from injury and helps to regulate the temperature of the fetus.
The results can help you decide whether to have amniocentesis, an invasive diagnostic test, to find out for sure about your baby's condition. Screening tests tell you how likely it is that your baby has a condition, but only a diagnostic test like amniocentesis tells you whether your baby actually has the condition. While the quad screen carries no risk for the mom or baby, amniocentesis does have a small risk of miscarriage.