Podcast
Questions and Answers
What are the main hormones involved in the initiation and maintenance of parturition?
What are the main hormones involved in the initiation and maintenance of parturition?
- Glucagon and aldosterone
- Sex steroids, oxytocin, prostaglandins, and relaxin (correct)
- Insulin and cortisol
- Leptin and growth hormone
What is the primary effect of oxytocin during parturition?
What is the primary effect of oxytocin during parturition?
- Promotion of uterine quiescence
- Prevention of cervical dilation
- Induction of myometrial contraction (correct)
- Inhibition of prostaglandin synthesis
During which phase of parturition does the myometrium transform from a quiescent state to a highly contractile state?
During which phase of parturition does the myometrium transform from a quiescent state to a highly contractile state?
- Quiescence Phase 0
- Transformation/Activation Phase 1 (correct)
- Involution Phase 3
- Active Labor Phase 2
What happens immediately after the expulsion of uterine content during parturition?
What happens immediately after the expulsion of uterine content during parturition?
Which hormones are primarily responsible for mammary gland development during pregnancy and lactation?
Which hormones are primarily responsible for mammary gland development during pregnancy and lactation?
What is the role of prolactin in lactation?
What is the role of prolactin in lactation?
What is the primary stimulus for the release of oxytocin during labor?
What is the primary stimulus for the release of oxytocin during labor?
What role does progesterone play in the initiation of human labor?
What role does progesterone play in the initiation of human labor?
What is the function of estrogen in labor?
What is the function of estrogen in labor?
Which hormone is synthesized in the hypothalamus and plays a crucial role in stimulating uterine smooth muscle contractions?
Which hormone is synthesized in the hypothalamus and plays a crucial role in stimulating uterine smooth muscle contractions?
What is the effect of oxytocin on uterine smooth muscle contraction?
What is the effect of oxytocin on uterine smooth muscle contraction?
When does oxytocin levels peak significantly during labor?
When does oxytocin levels peak significantly during labor?
What is the primary action of Relaxin during pregnancy?
What is the primary action of Relaxin during pregnancy?
Which hormone is responsible for the initiation of milk secretion after childbirth?
Which hormone is responsible for the initiation of milk secretion after childbirth?
What stimulates the release of oxytocin for the 'Milk Let Down' process?
What stimulates the release of oxytocin for the 'Milk Let Down' process?
Which hormone plays a crucial role in promoting mammary growth?
Which hormone plays a crucial role in promoting mammary growth?
In lactation, what is the main function of oxytocin?
In lactation, what is the main function of oxytocin?
What is the main action of prolactin in the context of lactation?
What is the main action of prolactin in the context of lactation?
Which hormone is essential for milk production and maintenance?
Which hormone is essential for milk production and maintenance?
What is the physiological role of Prostaglandins in lactation?
What is the physiological role of Prostaglandins in lactation?
What is the main effect of oxytocin on myoepithelial cells during lactation?
What is the main effect of oxytocin on myoepithelial cells during lactation?
