Which of the following vascular shunts connects the fetal left and right atria?
A) foramen ovale
B) ductus arteriosus
C) fossa ovalis
D) ductus venosus
Correct Answer:
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Q52: From what do both lanugo and the
Q53: Determine the series of hormonal events that
Q54: What makes estrogen and progesterone after the
Q55: What is NOT allowed to pass through
Q56: Which hormone suppresses uterine contractions until birth?
A)melanocyte-stimulating
Q58: The first stage of labor is:
A)effacement.
B)dilation.
C)expulsion.
D)propulsion.
Q59: Which fetal hormone initiates labor?
A)estrogen
B)progesterone
C)prolactin
D)cortisol
Q60: An adult heart should have a:
A)ductus arteriosus.
B)ductus
Q61: If two alleles code for the same
Q62: What major event occurs during the first
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