The Developing Person Through the Life Span, Ninth Edition by Kathleen Stassen Berger Clicker Question Presentation Slides Chapter 4 Critical Thinking Questions created by Jason S. Spiegelman, The Community College of Baltimore County

The proper order for human growth before birth is: embryonic period, germinal period, zygotic period. embryonic period, germinal period, fetal period. germinal period, embryonic period, fetal period. fetal period, germinal period, embryonic period. Answer C

The age of viability refers to: the age when the fetus can survive outside the womb with medical help. the moment when fusion occurs and the zygote is formed. the age when the embryo becomes a fetus. the age of a full-term infant. Answer A

The most critical period of vulnerability to teratogens occurs during: the germinal period. the embryonic period. the fetal period. the entire pregnancy. Answer B

The most prevalent cause for small gestational age (SGA) babies is: marijuana. tobacco. heroin. alcohol. Answer B

The Apgar scale measures which of the following? heart rate eye color irritability capillary refill Answer A

Critical Thinking Questions

may cause premature labor normal use poses no threat You know that your friend is 3 months pregnant, and you notice that she is drinking wine. What is the potential outcome of her continued drinking during her pregnancy? may cause premature labor normal use poses no threat fetal alcohol effects (FAE) can harm teeth Answer C

Less than two weeks after conception the pregnancy test is positive Less than two weeks after conception the pregnancy test is positive. Why should you wait to share the news with friends and family? 70 percent of all natural conceptions fail to implant. The test could be a false positive. 40 percent of all natural conceptions fail to implant. 20 percent of all embryos spontaneously abort. Answer D

Because the entire embryonic stage is a critical period: pregnant women should do their best to “live clean” and avoid teratogens during this stage. pregnant women should wait until this period is completed before seeing a physician. this stage should be eliminated from prenatal development. pregnant women should seek advice from their friends. Answer A