1.Sperm cells are functionally incomplete at the time of ejaculation.
Group of answer choices
True
False
2. The tail of the epididymis is connected to the testis by the vas afferens.
Group of answer choices
True
False
3. As part of the maturation process, sperm will stay in the epididymis for:
Group of answer choices
1 to 3 days.
4 to 7 days.
1 to 3 weeks.
1 to 2 months.
4. Functional sterility results when the sperm count per milliliter falls below which number?
Group of answer choices
10 million
25 million
100 million
150 million
5. Which of the following statements is not true of the bulbourethral gland?
Group of answer choices
It joins the urethra at the prostate gland.
It is also called the Cowper gland.
It produces mucus to help lubricate the urethra.
It produces an alkaline secretion in semen.
6. The female reproductive system can provide nutrition for the offspring even after birth.
Group of answer choices
True
False
7. The follicular phase of the menstrual cycle is the same as the:
Group of answer choices
ovulatory phase.
menstrual period.
postmenstrual phase.
postovulatory phase.
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8. The postmenstrual phase is also called the proliferative phase.
Group of answer choices
True
False
9. Another name for the uterine tubes is the fallopian tubes.
Group of answer choices
True
False
10. An imperforate hymen may prevent the escape of menstrual flow from the body.
Group of answer choices
True
False
11. The sequence of early development of the fetus is:
Group of answer choices
morula, zygote, and blastocyst.
zygote, morula, and blastocyst.
zygote, blastocyte, and morula.
morula, blastocyst, and zygote.
12. Which of the following structures is not formed by the ectoderm?
Group of answer choices
Cornea of the eye
Dermis of the skin
Brain
Enamel of the teeth
13. Because progesterone and estrogen are needed throughout pregnancy, the corpus luteum is maintained until the baby is born.
Group of answer choices
True
False
14. The solid mass of cells formed when the zygote begins to divide is called the:
Group of answer choices
blastocyst.
trophoblast.
morula.
embryo.
15. The process of spermatogenesis forms:
Group of answer choices
two spermatozoa, each with 23 chromosomes.
four spermatozoa, each with 23 chromosomes.
two spermatozoa, each with 46 chromosomes.
four spermatozoa, each with 46 chromosomes.
16. In a pedigree, a completely empty square would indicate a male that had the trait.
Group of answer choices
True
False
17. One specific transcribed mRNA strand will always produce the same polypeptide.
Group of answer choices
True
False
18. The shorter segment of a chromosome is called the:
Group of answer choices
centromere.
s-arm.
p-arm.
q-arm.
19. The human genome contains about:
Group of answer choices
200,000 to 300,000 genes.
150,000 to 250,000 genes.
75,000 to 100,000 genes.
20,000 to 25,000 genes.
20.
