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Questions and Answers
What type of transport is required for amino acids and iron to cross the placenta?
What type of transport is required for amino acids and iron to cross the placenta?
- Active transport (correct)
- Simple diffusion
- Osmosis
- Facilitated diffusion
During which weeks does the placenta take over the endocrine function from the corpus luteum?
During which weeks does the placenta take over the endocrine function from the corpus luteum?
- Weeks 10-14
- Weeks 20-24
- Weeks 12-17 (correct)
- Weeks 15-20
What is the function of relaxin during pregnancy?
What is the function of relaxin during pregnancy?
- To loosen the pelvis and dilate the cervix (correct)
- To stimulate maternal tissue growth
- To inhibit contractions
- To stimulate fetal development
What is the name of the plug of mucus that is expelled from the cervix about 2 days before labor?
What is the name of the plug of mucus that is expelled from the cervix about 2 days before labor?
What is the primary function of estrogen during pregnancy?
What is the primary function of estrogen during pregnancy?
What is the name of the stage of childbirth where the fetus is expelled from the birth canal?
What is the name of the stage of childbirth where the fetus is expelled from the birth canal?
What is the primary function of the foramen ovale and ductus arterioles in a newborn?
What is the primary function of the foramen ovale and ductus arterioles in a newborn?
What is the significance of colostrum in lactation?
What is the significance of colostrum in lactation?
What is the term for an individual who carries a recessive allele and can pass it on to their offspring?
What is the term for an individual who carries a recessive allele and can pass it on to their offspring?
What is the process by which the uterus returns to its pre-pregnancy size after birth?
What is the process by which the uterus returns to its pre-pregnancy size after birth?
What triggers the production of breast milk in lactation?
What triggers the production of breast milk in lactation?
What determines an individual's sex?
What determines an individual's sex?
What is the primary function of the corona radiata and zona pellucida?
What is the primary function of the corona radiata and zona pellucida?
What is the fate of the sperm that do not penetrate the corona radiata and zona pellucida?
What is the fate of the sperm that do not penetrate the corona radiata and zona pellucida?
What is the term for the process by which the sperm releases enzymes to penetrate the corona radiata and zona pellucida?
What is the term for the process by which the sperm releases enzymes to penetrate the corona radiata and zona pellucida?
What is the approximate percentage of blastocysts that fail to implant in the uterine wall?
What is the approximate percentage of blastocysts that fail to implant in the uterine wall?
What is the term for the fluid-filled sac that surrounds the embryo and provides protection?
What is the term for the fluid-filled sac that surrounds the embryo and provides protection?
What is the purpose of the primitive streak in embryogenesis?
What is the purpose of the primitive streak in embryogenesis?
What is the term for the development of the placenta from embryonic and maternal tissues?
What is the term for the development of the placenta from embryonic and maternal tissues?
What is the approximate time period during which the placenta develops?
What is the approximate time period during which the placenta develops?
What is the term for the process by which the embryo becomes cylindrical in shape due to embryonic folding?
What is the term for the process by which the embryo becomes cylindrical in shape due to embryonic folding?
What is the term for the formation of identical twins, resulting from the splitting of a single zygote?
What is the term for the formation of identical twins, resulting from the splitting of a single zygote?
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