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| 1 | |
The term "sexuality" is used to mean |
| | A) | structure and function of the sex organs. |
| | B) | psychological components of the male/female nature. |
| | C) | social and cultural behavioral patterns. |
| | D) | All of the above. |
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| 2 | |
Which of the following syndromes would be applied to an XO person: has external female genitalia, is sterile, and has little breast development? |
| | A) | Turner's |
| | B) | Klinefelter's |
| | C) | Jacob's |
| | D) | Down's |
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| 3 | |
Whether or not a person develops male or female sexual characteristics depends on the presence of |
| | A) | the X chromosome alone. |
| | B) | the Y chromosome alone. |
| | C) | both the X and the Y chromosome. |
| | D) | neither the X nor the Y chromosome. |
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| 4 | |
Orgasm involves |
| | A) | spasm of muscles of the body. |
| | B) | spasm of muscles of reproductive structures. |
| | C) | changes in heart rate. |
| | D) | All of the above are correct. |
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| 5 | |
The prostate, bulbourethral glands, and seminal vesicles |
| | A) | produce acid secretions. |
| | B) | contain sperm. |
| | C) | produce semen. |
| | D) | All of the above are correct. |
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| 6 | |
Which of the following statements is true about puberty? |
| | A) | On an average, males reach puberty before females. |
| | B) | On an average, females reach puberty before males. |
| | C) | On an average, both males and female reach puberty at about the same age. |
| | D) | Whether males or females reach puberty first is dependent on diet and living conditions. |
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| 7 | |
The menstrual cycle |
| | A) | occurs as a result of changes in the levels of reproductive hormones. |
| | B) | results in ovulation. |
| | C) | occurs after ovulation. |
| | D) | None of the above is correct. |
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| 8 | |
Follicle-stimulating hormone (FSH) is produced in the __________ and stimulates __________ development. |
| | A) | pituitary gland; ovarian (only) |
| | B) | pituitary gland; testicular (only) |
| | C) | pituitary gland; both ovarian and testicular |
| | D) | primordial gonadal tissue; both ovarian and testicular |
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| 9 | |
Which of the following statements about sperm is/are true? |
| | A) | Primary spermatocytes develop into spermatogonia. They have only a small amount of stored food. |
| | B) | Secondary spermatocytes undergo the first meiotic division and become spermatids. They live no more than 72 hours. |
| | C) | Spermatids lose much or their cytoplasms, develop tails, and are then known as sperm. Men with sperm counts under 50 million/mL are often infertile. |
| | D) | All of the above. |
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| 10 | |
Which of the following statements about oogenesis is/are true? |
| | A) | All primary oocytes are present before birth. In telophase I, the two cells that form receive unequal portions of cytoplasm. |
| | B) | The polar body is the smaller of two cells resulting from the first meiotic division. Egg cells are diploid. |
| | C) | Fertilization is required for oogenesis to be completed. An egg produced at 30 years of age is only hours old. |
| | D) | All of the above. |
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| 11 | |
Which of the following statements about embryonic development is/are true? |
| | A) | The fertilized egg is called the morula. |
| | B) | Implantation of the embryo in the uterus occurs at about day 7 of embryonic development. |
| | C) | The zygote is released from the ovary. |
| | D) | All of the above. |
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| 12 | |
Which of the following statements about twins is/are true? |
| | A) | Fraternal twins are always of the same sex. |
| | B) | Identical twins have the same genes. |
| | C) | Identical twins result when the egg splits and each part is fertilized by a separate sperm. |
| | D) | All of the above. |
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| 13 | |
Which of the following contraceptive devices is effective against the spread of sexually transmitted diseases? |
| | A) | condom |
| | B) | birth-control pill |
| | C) | IUD |
| | D) | diaphragm and/or cervical cap |
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| 14 | |
You could identify human cells as being either male or female by |
| | A) | looking at the size of a cell. |
| | B) | examining the chromosomes. |
| | C) | looking for differentiation. |
| | D) | weighing them. |
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| 15 | |
Ovaries and testes differ from other kinds of organs because |
| | A) | their cells divide. |
| | B) | their cells only live for a short time. |
| | C) | meiosis occurs in them. |
| | D) | they grow continuously. |
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| 16 | |
The sex of an individual is determined |
| | A) | by the sex determining gene (SRY) on the Y-chromosome. |
| | B) | at birth. |
| | C) | at puberty. |
| | D) | at conception. |
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| 17 | |
Which one of the following would be a secondary sex characteristic? |
| | A) | ovaries in a female |
| | B) | the presence of a penis in a male |
| | C) | a menstrual cycle in a female |
| | D) | pubic hair in males and females |
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| 18 | |
Ovulation is most likely to occur |
| | A) | during the middle of the menstrual cycle. |
| | B) | after the menstrual cycle. |
| | C) | any time during the menstrual cycle. |
| | D) | before the first meiotic division. |
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| 19 | |
Which one of the following hormones is responsible for stimulating the testes to produce testosterone? |
| | A) | interstitial-cell-stimulating-hormone |
| | B) | estrogen |
| | C) | androgens |
| | D) | oxytocin |
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| 20 | |
Which one of the following is NOT a difference between oogenesis and spermatogenesis? |
| | A) | Spermatogenesis doesn't involve meiosis. |
| | B) | Spermatogenesis produces 4 sperm and oogenesis produces one viable sex cell. |
| | C) | Sperm are smaller than eggs. |
| | D) | Many more sperm are produced than eggs. |
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| 21 | |
The placenta |
| | A) | allows blood from the mother to mix with blood from the embryo. |
| | B) | is also known as the amnion. |
| | C) | produces hormones. |
| | D) | All of the above are correct. |
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| 22 | |
In a healthy adult male, each ejaculation will release approximately ______ sperm. |
| | A) | 300 |
| | B) | 3000 |
| | C) | 3 million |
| | D) | 300 million |
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| 23 | |
In humans, oogenesis begins |
| | A) | before birth. |
| | B) | at puberty. |
| | C) | each month. |
| | D) | at menopause. |
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| 24 | |
Fraternal twins |
| | A) | result from the fertilization of two different oocytes by two different sperm. |
| | B) | result when a zygote splits into two separate cells which develop independently. |
| | C) | are always the same sex. |
| | D) | are genetically identical. |
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| 25 | |
A woman with Turner's Syndrome would have the sex chromosome combination: |
| | A) | XX. |
| | B) | XY. |
| | C) | XO. |
| | D) | XXY. |
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| 26 | |
In vitro fertilization refers to |
| | A) | fertilization that occurs outside the body in a container. |
| | B) | normal fertilization in the female reproductive tract. |
| | C) | artificial introduction of sperm into the female reproductive tract. |
| | D) | using hormones to stimulate the production of eggs. |
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| 27 | |
Individuals whose physical gender does not match their psychological gender are sometimes referred to as |
| | A) | transgender. |
| | B) | intersexual. |
| | C) | homosexual. |
| | D) | All of the above are correct. |
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