Typically, at the moment a full-term baby is born, the child's lungs are
A. fully inflated due to practice respiratory movements in the womb.
B. not fully inflated, but they will inflate within about ten seconds.
C. not fully inflated, and will not inflate fully for ten days, when surfactant production begins.
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Question 2) Upon a newborn's first breath, pulmonary arterioles
A. constrict.
B. dilate.
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Question 3) Shortly after birth the pressure within the right side of the heart rises.
Indicate whether this statement is true or false.
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Question 4) Neonates will take their first breath only after umbilical cord vessels have been clamped.
Indicate whether this statement is true or false.
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Question 5) Shortly after birth, the foramen ovale of the fetal heart ceases to function as an open pathway for blood.
Indicate whether this statement is true or false.
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Question 6) What is expelled during the expulsion stage of labor?
A. Colostrum
B. The fetus
C. The placenta and remaining fetal membranes
D. Only amniotic fluid
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Question 7) During the dilation stage, the cervix expands and becomes thinner. This stage ends once the cervix has fully dilated and ________ (thinned).
Fill in the blank with correct word.
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Question 8) Which stage would you expect to take the longest time?
A. Dilation stage of labor of a parous woman
B. Dilation stage of labor of a nulliparous woman
C. Expulsion stage of labor of a parous woman
D. Expulsion stage of labor of a nulliparous woman
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Question 9) Which statement accurately describes the effects of oxytocin and prostaglandins on uterine contractions?
A. Both oxytocin and prostaglandins stimulate uterine contraction.
B. Both oxytocin and prostaglandins inhibit uterine contraction.
C. Oxytocin stimulates uterine contractions, but prostaglandins inhibit them.
D. Prostaglandins stimulate uterine contractions, but oxytocin inhibits them.
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Question 10) Explain the feedback mechanism involved in true labor. Indicate the components of the feedback system (for example, identify the control center), their responses to stimuli, and the nature of the response (is it positive or negative feedback?).
What will be an ideal response?
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