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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 of female sexual characteristics depends on the presence of the |
| | A) | X chromosome alone. |
| | B) | Y chromosome alone. |
| | C) | Both the X and the Y chromosome. |
| | D) | Neither the X nor the Y chromosome. |
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4 | |
The Barr body is actually a(n) |
| | A) | Tightly coiled X chromosome. |
| | B) | Tightly coiled Y chromosome. |
| | C) | Pre-hormone that will differentiate into estrogen and testosterone. |
| | D) | Embryonic gonad. |
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5 | |
The term cryptorchidism applies to |
| | A) | An inguinal hernia. |
| | B) | Testicular cancer. |
| | C) | Undescended testicles. |
| | D) | The delayed onset of puberty. |
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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 is really a term that includes the __________ cycle and the __________ cycle. |
| | A) | Ovarian / uterine |
| | B) | Ovarian / follicular |
| | C) | Uterine / follicular |
| | D) | Ovulatory / follicular |
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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 spermatogenesis is/are true? |
| | A) | Primary spermatocytes develop into spermatogonia. |
| | B) | Secondary spermatocytes undergo the first meiotic division and become spermatids. |
| | C) | Spermatids lose much or their cytoplasm, develop tails, and are then known as sperm. |
| | 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. |
| | B) | The polar body is the smaller of two cells resulting from the first meiotic division. |
| | C) | Fertilization is required for fertilization to be completed. |
| | D) | All of the above. |
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11 | |
Birth-control pills |
| | A) | Raise the levels of estrogen and progesterone. |
| | B) | Suppress the production of FSH and LH. |
| | C) | Prevent the release of secondary oocytes from the ovary. |
| | D) | All of the above. |
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12 | |
Which of the following statements about embryonic development is/are true? |
| | A) | The fertilized ovum is called the morula. |
| | B) | The blastula develops into the gastrula. |
| | C) | As the limb buds develop, the embryo is known as a zygote. |
| | D) | All of the above. |
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13 | |
Which of the following statements about twins is/are true? |
| | A) | Fraternal twins are always of the same sex. |
| | B) | Approximately one-third of all twins are identical twins. |
| | 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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14 | |
The most popular contraceptive device is the |
| | A) | Condom. |
| | B) | Birth-control pill. |
| | C) | IUD. |
| | D) | Diaphragm and/or cervical cap. |
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15 | |
Which of the following statements about sexual function in the elderly is/are true? |
| | A) | Sexual enjoyment decreases as a result of aging. |
| | B) | Unlike the wane in female egg production, as males age their sperm production does not decrease. |
| | C) | Sexuality continues from birth until death. |
| | D) | All of the above. |
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16 | |
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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17 | |
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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18 | |
The sex of an individual is set |
| | A) | at conception. |
| | B) | at birth. |
| | C) | at puberty. |
| | D) | during pregnancy. |
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19 | |
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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20 | |
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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21 | |
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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22 | |
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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23 | |
Which of the following contraceptive methods is most effective? |
| | A) | condom |
| | B) | diaphragm |
| | C) | pill |
| | D) | spermicides |
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24 | |
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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25 | |
In humans, oogenesis begins |
| | A) | before birth. |
| | B) | at puberty. |
| | C) | each month. |
| | D) | at menopause. |
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26 | |
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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27 | |
A woman with Turner's Syndrome would have the sex chromosome combination: |
| | A) | XX. |
| | B) | XY. |
| | C) | XO. |
| | D) | XXY. |
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28 | |
The condition in which a portion of the intestines push through the inguinal canal into the scrotum is called |
| | A) | an inguinal hernia. |
| | B) | cryptorchidism. |
| | C) | a vasectomy. |
| | D) | a cesarean. |
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