Podcast
Questions and Answers
Which of the following substances requires active transport across the placenta?
Which of the following substances requires active transport across the placenta?
- O2
- Lipid soluble fetotoxic substances
- CO2
- Amino acids (correct)
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?
- 6-10
- 12-17 (correct)
- 18-22
- 24-28
What is the primary function of relaxin during pregnancy?
What is the primary function of relaxin during pregnancy?
- Regulating blood sugar levels
- Inhibiting contractions
- Loosening the pelvis and dilating the cervix (correct)
- Stimulating fetal development
How many calories per day should a pregnant woman increase her intake during the 2nd and 3rd trimesters?
How many calories per day should a pregnant woman increase her intake during the 2nd and 3rd trimesters?
What is the name of the plug of mucus that covers the cervix and is expelled along with a small amount of blood before labor?
What is the name of the plug of mucus that covers the cervix and is expelled along with a small amount of blood before labor?
How many stages are there in the process of childbirth?
How many stages are there in the process of childbirth?
What is the primary function of the foramen ovale and ductus arterioles in the infant's circulation?
What is the primary function of the foramen ovale and ductus arterioles in the infant's circulation?
What is the primary function of prolactin in lactation?
What is the primary function of prolactin in lactation?
What is the genetic term for the expression of a gene's effect?
What is the genetic term for the expression of a gene's effect?
What is the term for an individual who carries a recessive gene that can be passed on to their offspring?
What is the term for an individual who carries a recessive gene that can be passed on to their offspring?
What is the primary function of brown fat in the infant?
What is the primary function of brown fat in the infant?
What is the term for the first milk produced by the mother, rich in immunoglobulins?
What is the term for the first milk produced by the mother, rich in immunoglobulins?
During fertilization, what is the purpose of the acrosomal reaction?
During fertilization, what is the purpose of the acrosomal reaction?
What is the main function of the zona pellucida?
What is the main function of the zona pellucida?
What is the result of fertilization, in terms of the genetic material of the zygote?
What is the result of fertilization, in terms of the genetic material of the zygote?
What is the purpose of the fertilization membrane?
What is the purpose of the fertilization membrane?
What is the term for the process by which the sperm penetrates the layers surrounding the oocyte?
What is the term for the process by which the sperm penetrates the layers surrounding the oocyte?
What is the term for the failure of a blastocyst to implant in the uterine wall?
What is the term for the failure of a blastocyst to implant in the uterine wall?
What is the function of the yolk sac?
What is the function of the yolk sac?
What is the term for the process by which the embryonic cells organize into three layers?
What is the term for the process by which the embryonic cells organize into three layers?
What is the function of the placenta in terms of gas exchange?
What is the function of the placenta in terms of gas exchange?
At what stage is the placenta fully developed?
At what stage is the placenta fully developed?