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Pre-Test
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1
The process whereby a sperm combines with an egg is known as:
A)ovulation
B)oogenesis
C)fertilization
D)morulation
2
After implantation in the endometrium, the cells surrounding the embryo produce _____, the presence of which is the basis for a positive pregnancy test.
A)human chorionic gonadotropin (HCG)
B)luteinizing hormone (LH)
C)cortisol
D)estrogen
3
In the _______ fetal blood exchanges molecules with the maternal blood.
A)uterus
B)vagina
C)placenta
D)umbilical cord
4
The birth of the baby occurs during the ______ stage of parturition.
A)first
B)second
C)third
D)fourth
5
The leading cause of death among the elderly is ______.
A)kidney malfunction
B)cardiovascular disorders
C)cancer
D)osteoporosis





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