15 Questions
According to the Fetal Adrenal Response theory, what initiates labor contractions?
Hormones from the fetal adrenal and pituitary glands
What effect does oxytocinase have on uterine contractions, according to the Oxytocin Stimulation theory?
Inhibits uterine contractions
As per the Uterine Stretch theory, what stimulates uterine contractions?
Distention of the uterus
Which theory proposes that the uterus becomes increasingly sensitive to oxytocin as pregnancy nears term?
Oxytocin Stimulation theory
According to the Fetal Adrenal Response theory, what is responsible for initiating labor contractions?
Fetal adrenal and pituitary glands
What causes the uterus to contract and empty itself, according to the Uterine Stretch theory?
Uterine distention
What is the mechanism by which progesterone helps to maintain pregnancy?
By relaxing the smooth muscles of the uterus
What is the role of prostaglandin in initiating labor according to the Prostaglandin Theory?
It initiates labor by promoting uterine contractions
What is the impact of increased arachidonic acid in the amniotic fluid during labor?
Increased production of prostaglandin
According to the Theory of the Aging Placenta, what allows the concentration of prostaglandin and estrogen to rise steadily?
Decreased efficiency of the placenta
What are the preliminary signs of labor related to increased uterine activity?
Stronger, longer, and more frequent contractions and significant degree of effacement
What is the impact of 'Lightening' before or during labor?
Relief of dyspnea and increased vaginal discharge
What is 'Floating' in the context of labor?
When the head is still moveable above the pelvic inlet on palpation
What is 'Engagement' in the context of labor?
The descent of the biparietal plane of the fetal head to a level of the ischial spine
What is 'Fixation' in the context of labor?
'Lightening' settling of presenting part to pelvic brim or inlet
Test your knowledge of the different theories of labor onset, including the fetal adrenal response theory and other key concepts related to the process of labor. Explore the theories that explain the series of rhythmic, progressive contractions of the uterus leading to childbirth.
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