Choose the One Most Appropriate Answer for Each

question 47

Multiple Choice

Choose the one most appropriate answer for each.
-Endometrium

• A)Acts to trigger ovulation in females
• B)Structures that secrete fructose-rich fluid used as sperm energy source
• C)Forms as an outgrowth of the yolk sac; becomes part of umbilical cord and urinary bladder
• D)A drug that causes severely deformed arms and legs in developing embryos
• E)Sperm enter this coiled duct on its way to vas deferens
• F)Opening between uterus and vagina
• G)Organ that supplies the mammalian embryo/fetus with nutrients and removes wastes
• H)Connects epididymis with ejaculatory duct
• I)Hormone that stimulates smooth muscle contractions in male and female reproductive tracts
• J)Cap over the head of a sperm; contains lytic enzymes to penetrate egg membranes
• K)Inner cell mass plus trophoblast; attaches to uterine wall
• L)Testosterone-secreting cells in the testis
• M)Sensitive to sexual stimulation; develops from same embryonic tissues as does the penis in males
• N)The uterine lining
• O)Stimulates maturation of an ovarian follicle

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Definitions:

Density

A physical property representing mass per unit volume.

Serotonin

A neurotransmitter that plays a key role in mood regulation, appetite, sleep, and other physiological processes.

Dopamine

A neurotransmitter in the brain that plays a major role in reward-motivated behavior, movement, and cognitive functions.

Testosterone

The male sex hormone, high levels of which have been linked to aggression and violence in both animals and humans.