Podcast
Questions and Answers
What is the primary function of the acrosomal reaction during fertilization?
What is the primary function of the acrosomal reaction during fertilization?
- To release enzymes that penetrate the corona radiata and zona pellucida (correct)
- To stimulate the capacitation of sperm
- To facilitate the fusion of sperm and oocyte nuclei
- To prevent the penetration of multiple sperm into the oocyte
What is the term for the process by which a sperm penetrates the corona radiata and zona pellucida to reach the oocyte's plasma membrane?
What is the term for the process by which a sperm penetrates the corona radiata and zona pellucida to reach the oocyte's plasma membrane?
- Fertilization
- Acrosomal reaction
- Capacitation
- Penetration (correct)
What is the primary function of the zona pellucida?
What is the primary function of the zona pellucida?
- To facilitate the capacitation of sperm
- To facilitate the fusion of sperm and oocyte nuclei
- To provide a barrier against the penetration of multiple sperm (correct)
- To nourish the oocyte during fertilization
What is the term for the stage of development during which the fertilized oocyte undergoes several cell divisions without significant growth?
What is the term for the stage of development during which the fertilized oocyte undergoes several cell divisions without significant growth?
What is the primary function of the placenta during embryonic development?
What is the primary function of the placenta during embryonic development?
What is the term for the layer of cells that surrounds the embryo and provides protection and nourishment?
What is the term for the layer of cells that surrounds the embryo and provides protection and nourishment?
What is the primary function of the yolk sac during embryonic development?
What is the primary function of the yolk sac during embryonic development?
What is the term for the process by which the embryonic cells undergo a series of complex transformations to form the three primary germ layers?
What is the term for the process by which the embryonic cells undergo a series of complex transformations to form the three primary germ layers?
What is the term for the stage of development during which the embryo undergoes rapid growth and differentiation?
What is the term for the stage of development during which the embryo undergoes rapid growth and differentiation?
What is the term for the abnormal implantation of the blastocyst in a location outside of the uterus?
What is the term for the abnormal implantation of the blastocyst in a location outside of the uterus?
Which of the following substances require active transport across the placenta?
Which of the following substances require active transport across the placenta?
When does sexual differentiation typically begin?
When does sexual differentiation typically begin?
What is the function of relaxin during pregnancy?
What is the function of relaxin during pregnancy?
What causes an increase in appetite during pregnancy?
What causes an increase in appetite during pregnancy?
What is the probable cause of nausea and vomiting during early pregnancy?
What is the probable cause of nausea and vomiting during early pregnancy?
What is the term for the plug of mucus that covers the cervix and is expelled along with a small amount of blood before labor?
What is the term for the plug of mucus that covers the cervix and is expelled along with a small amount of blood before labor?
What is the primary function of prolactin in lactation?
What is the primary function of prolactin in lactation?
What is the term for the mixing of alleles in a heterozygous individual?
What is the term for the mixing of alleles in a heterozygous individual?
What occurs in the heart after birth to adjust to extrauterine life?
What occurs in the heart after birth to adjust to extrauterine life?
What is the primary purpose of colostrum production in the first 72 hours after birth?
What is the primary purpose of colostrum production in the first 72 hours after birth?
What is the term for someone who carries a recessive gene that can be passed on?
What is the term for someone who carries a recessive gene that can be passed on?
What occurs to the uterus after childbirth?
What occurs to the uterus after childbirth?