Term
1. The gonads are part of the endocrine system.
a. True
b. False |
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Definition
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2. Hormonal treatments to induce ovulation for harvesting human eggs are usually successful.
a. True
b. False |
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Definition
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3. The outer layer of trophoblast cells of the blastocyst secretes an enzyme that allows the blastocyst to implant in the uterine lining.
a. True
b. False |
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Definition
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4.The multicelled structure called a ____________ implants in the uterus about one week after fertilization.
a. varicocoele
b. zygote
c. chorionic villus
d. blastocyst |
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5. A single gene, SRY, on the short arm of human Y chromosome is responsible for the development of male gonads
a. True
b. False |
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Definition
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6. Biological sex chromosome disorders are characterized by
a. Errors occurring at the first level of sex differentiation
b. Individuals born with one or more extra sex chromosomes
c. Individuals born with missing one sex chromosome
d. All the above |
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Definition
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7. Male infertility is usually related to abnormalities in
a. sperm quality
b. sperm number
c. sperm mobility and swimming patterns
d. all the above |
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Definition
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Term
Matching Question. Use the terms (a-d) to fill in the blanks for questions 8 - 11. Use each term only once.
a. zygote b. embryo c. implanted d. cleavages
The invitro fertilization, IVF, technique has become an excellent tool for many couples having problems conceiving children naturally.
The technique involves the harvesting or removal of mature eggs from a woman's ovaries. The eggs are then fertilized by sperm in a laboratory dish or by intra cellular sperm injection (ICSI). The fusion of an egg and a sperm result in a ___(8)______ that needs to under go several more ______(9)_________ to form a blastocyst. The inner cell mass of the blastocyst will eventually give rise to the _______(10)___________ once the blastocyst has been ________(11)___________ in the endometrial lining of the uterus. |
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Definition
8. Zygote
9. Cleavages
10. embryo
11. implanted |
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12. A person whose gender identity is opposite to his or her biological sex is called a /an
a. transvestite
b. bisexual
c. androgynous person
d. transsexual |
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14. Microscopically normal looking sperm may cause birth defects because
a. they may absorb toxins while residing in the testicles.
b. pre-maturely released from the testicle
c. awkward swimming technique
d. all the above |
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Definition
| A They may absorb toxins while residing in the testicles |
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15. In artificial insemination, AI,
a. the eggs are removed from a woman's ovary, are fertilized in a laboratory dish by sperm, and then introduced into her uterus.
b. the male partner of a childless couple impregnates another woman, who carries the baby to term and then lets the couple adopt the baby.
c. the semen from a man is introduced into the woman's fallopian tubes.
d. the semen from a man is mechanically introduced into the woman's vagina, cervix or uterus. |
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Definition
| D. Semen from a man is mechanically introduced into the woman's vagina, cervix or uterus. |
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16. A clinical determination of pregnancy using ultra-sonogram can be done as early as
a. 3 weeks
b. 5 weeks
c. 10 weeks
d. 16 weeks |
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Definition
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17. Natural fertilization of an egg usually takes place in
a. the ovary
b. the fallopian tube/oviduct
c. the uterus
d. the fimbriae |
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Definition
| B. the fallopian tube/oviduct |
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Term
18. In general, a pregnancy test of presence of human chorionic gonadotropin HCG in blood, can be done as early as
a. 2 days after conception
b. 7-10 days after conception
c. 2 weeks after conception
d. the day after conception |
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19.The blastocyst secretes an______________ that tells the mother it is not an intruder
a. androgen
b. estrogen
c. enzyme
d. antibody |
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Definition
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20. Female infertility, such as failure to ovulate, may stem from a variety of factors.
a. True
b. False |
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Definition
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Term
13. The blood of a pregnant woman contains
a. human chorionic gonadotropin, HCG
b. trophoblast cells
c. vernix caseosa
d. amniotic fluid |
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Definition
| A. Human chorionic gonadotrophin, HCG |
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