SOLVED

1. When does ovulation typically occur? a. during menstruation b. the day before the onset of menstruation c. the 14th day after the onset of menstruation d. the day after menstruation has ceased 2. The digestive system, lungs, and some other internal organs develop from which of the following layers of cells present in the embryo? a. ectoderm b. mesoderm c. endoderm d. zygoderm  According to the text, traditional childbirth is typically done: a. in a birthing center b. in a hospital c. at home d. anywhere, including in a birthing center, in a hospital, or at home 4. If a pregnancy test can detect pregnancy within two weeks after fertilization, it most likely works by: a. detecting the hormone human chorionic gonadotropin in the woman’s urine b. detecting a rise in the woman’s body temperature from 98.6 to about 99.3 c. detecting the presence of a much higher percentage of alpha brain waves during the woman’s sleep cycles d. detecting a dramatic increase in the acidity of the woman’s urine 5. Doug is told that his wife should not visit his office during the second and third month of her pregnancy because chemicals there could negatively affect the development of their baby. However, he is also told that it would be safe for her to visit after the fourth month, since the chemicals would not affect fetal development. This example highlights the concept of: a. critical period b. gross-to-specific trend c. fetal development d. ectopic pregnancy risk 6. Heart defects are especially common when pregnant mothers are exposed to a teratogen during which prenatal period? a. the germinal period b. the embryonic period c. the fetal period d. the last two weeks before birth 7. Suppose a baby is born whose Apgar score is  What would such a score most likely indicate? a. All vital signs are perfect. b. All vital signs are normal. c. Some of the baby’s bodily processes are not functioning fully. d. Immediate emergency measures are required. 8. Suppose Dr. Barnes is a fertility specialist who studies the sex of recently fertilized ova. If her research population included all fertilized ova conceived in a population, and if she found that 1,000 of these zygotes were female, she should expect that the population would also include _____ male zygotes. a. 960 b. 1,000 c. 1,040 d. 1,250 9. Maria is in her ninth month of pregnancy. She begins to feel contractions, but when she gets up and walks around, the contractions go away. Most likely, she has experienced which of the following? a. showing b. the first stage of labor c. the second stage of labor d. Braxton-Hicks contractions 10. Jackie is a new mother who says, “I just can’t stand to be away from my baby. I feel so close to him emotionally that I just love him.” Jackie’s comments reflect the core principle involved in: a. crowning b. attachment c. the Moro reflex d. the Babinski reflex