BIOD 121 MODULE 6 QUESTIONS WITH CORRECT ANSWERS

Healthy pregnancy CORRECT ANSWER adequate intake of vitamins and minerals healthy body weight controlling existing health conditions avoidance of teratogens Teratogens CORRECT ANSWER compounds that can increase the risk of a birth defect caffeine, drugs, alcohol, and tobacco. Tobacco: miscarriage, stillbirth, preterm delivery, and low birth weight infants alcohol: FAS, physical and mental disabilities and growth retardation drugs: low birth weight, preterm delivery, miscarriage, birth defects, and infant addiction. Blastogenic stage CORRECT ANSWER (Day 1 to 14): A period of rapid cell division Day 14: An embryo is formed. Embryonic stage CORRECT ANSWER (Week 2 to 8): The organ system develops. Week 5: The heart begins to beat. Week 8: The embryo is now known as a fetus. Fetal Stage CORRECT ANSWER (Week 9 to 40): Period of continual growth and development zygote CORRECT ANSWER formed from combination of egg and sperm placenta CORRECT ANSWER provides oxygen and nutrients from the mother's blood to the fetus and also allows for the transfer of waste from the fetus and into the mother's system for excretion first trimester CORRECT ANSWER exposure to toxins and inadequate nutrient intake can have an adverse effect on the fetus quality of the mother's diet is more important than the quantity second trimester CORRECT ANSWER development of the hands, feet, arms, and legs occurs, and the fetus begins to resemble a baby physiological changes to mom's body in order to support the pregnancy and prepare for birth. third trimester CORRECT ANSWER fetus will double in length and will increase weight to approximately 7 to 9 pounds. low birth weight (LBW) CORRECT ANSWER a birth weight of less than 5.5 pounds small for gestational age (SGA) CORRECT ANSWER an infant small in size, measured relative to its gestational stage