Straighterline PSY120 - Final Exam

Which maternal age group has increased risk of low birth weight, preterm delivery, and fetal death? a. eighteen years or younger b. between 18 and 25 years c. between 25 and 30 years d. thirty-five years and older - Answer-d. thirty-five years and older Jerome and Tyrone are fraternal twins. This means that they developed from a. a single egg that was fertilized by a single sperm. b. a single egg that was fertilized by two different sperms. c. two eggs that were fertilized by a single sperm. d. two eggs that were fertilized by two different sperms. - Answer-d. two eggs that were fertilized by two different sperms. Which of the following women has the highest probability of giving birth to a child with Down syndrome? a. Sarah, a 21-year-old Asian woman b. Jane, a 41-year-old Euro-American woman c. Ella, a 27-year-old African American woman d. Destiny, a 38-year-old African American woman - Answer-b. Jane, a 41-year-old EuroAmerican woman The current maternal blood screening test is called the triple screen because a. it is performed three times. b. it diagnoses three diseases. c. it measures three substances in the mother's blood. d. it is the third prenatal diagnostic test performed in a pregnancy. - Answer-c. it measures three substances in the mother's blood. Roger looks back on his life and feels that he failed to reach his potential, squandered opportunities, and hurt a lot of people. At 82 years of age, he knows it is too late to make amends. Roger is slipping into a. stagnation. b. identity confusion. c. despair. d. mistrust. - Answer-c. despair. During which period of development is the unborn baby most at risk of developing a structural defect due to the effects of a teratogen? a. at conception b. during the germinal period c. during the embryonic period d. during the fetal period - Answer-c. during the embryonic period