Which of the following is a function of hCG?
A) It breaks down the corpus luteum.
B) It helps protect the blastocyst against being rejected.
C) It prevents the developing placenta from secreting hormones.
D) It stimulates the release of enzymes that enable the blastocyst to implant into the endometrium.
Correct Answer:
Verified
Q54: The yolk sac
A)forms blood cells in early
Q55: Amniotic fluid
A)stores nutrients for the fetus.
B)absorbs wastes
Q56: Following birth, the infant's metabolic rate
A)increases and
Q57: The inner cell mass
A)becomes part of the
Q58: Changes that occur as death approaches include
A)limbs
Q60: After birth, the foramen ovale is closed
Q61: The umbilical cord contains two umbilical veins.
Q62: Apoptosis occurs
A)only in the aged.
B)only in adults.
C)from
Q63: Factors that can cause congenital malformations by
Q64: Jeremy cannot ejaculate because of an injury
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