Theories of Labor Onset in Nursing and Midwifery

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Questions and Answers

What is the role of progesterone in maintaining pregnancy?

  • Stimulating uterine contractions
  • Preventing uterine contractions (correct)
  • Initiating labor through prostaglandin production
  • Increasing fetal membrane production

What happens to the production of progesterone as pregnancy nears term?

  • Decreases (correct)
  • Increases significantly
  • Stops completely
  • Remains stable

What is the effect of decreased progesterone production as pregnancy nears term?

  • Causes increased fetal membrane production
  • Results in decreased levels of arachidonic acid
  • Allows uterine contraction to occur (correct)
  • Stimulates the production of estrogen

What is the source of prostaglandin during labor according to the Prostaglandin Theory?

<p>The maternal deciduas (D)</p> Signup and view all the answers

What is the impact of high levels of arachidonic acid in the amniotic fluid during labor?

<p>Increased production of prostaglandin (D)</p> Signup and view all the answers

According to the Theory of the Aging Placenta, what happens as the placenta ages?

<p>It produces decreased amounts of progesterone (C)</p> Signup and view all the answers

What does Lightening refer to in relation to pregnancy?

<p>The fetal head descending to the ischial spine level (D)</p> Signup and view all the answers

What does Engagement refer to in relation to pregnancy?

<p>&quot;Engagement&quot; as the descent of the biparietal plane of the fetal head to a level of the ischial spine (C)</p> Signup and view all the answers

What is a common sign that might lead a mother to believe she has entered true labor?

<p>&quot;Lightening&quot; resulting in relief of dyspnea (D)</p> Signup and view all the answers

What is the main function of labor in pregnancy?

<p>Causing contractions of the uterus (C)</p> Signup and view all the answers

Who proposed the Fetal Adrenal Response Theory?

<p>Hippocrates (B)</p> Signup and view all the answers

What happens as pregnancy nears term according to the Oxytocin Stimulation Theory?

<p>Oxytocin production increases (D)</p> Signup and view all the answers

What is the main concept behind the Uterine Stretch Theory?

<p>Emptying the uterus (B)</p> Signup and view all the answers

Which hormone stimulates uterine contractions according to the Oxytocin Stimulation Theory?

<p>Oxytocin (A)</p> Signup and view all the answers

What is the primary cause of labor initiation according to the Fetal Adrenal Response Theory?

<p>Hormones from fetal adrenal and pituitary glands (B)</p> Signup and view all the answers

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