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Which of these is a requirement for reproduction to be defined as sexual?a. separate male and female parentsb. the production of gametesc. optimal environmental conditionsd. an aquatic habitate. All of these are correct.
. Internal fertilizationa. can prevent the drying out of gametes and zygotes.b. must take place on land.c. is practiced by humans.d. requires that males have a penis.e. Both a and c are correct.
Which term is incorrectly defined?a. oviparous—deposits egg(s) in the external environmentb. ovoviviparous—retains eggs prior to releasing the youngc. viviparous—lacks eggs and always has a placentad. placenta—allows some mammals to be nourished inside the mother
In tracing the path of sperm, you would mention vasa deferentiabeforea. testes.b. epididymides.c. urethra.d. seminiferous tubules.e. All of these are correct.
Which of these pairs is mismatched?a. interstitial cells—testosteroneb. seminiferous tubules—sperm productionc. vasa deferentia—seminal fluid productiond. urethra—conducts sperme. Both c and d are mismatched.
Testosterone is produced bya. interstitial cells.b. seminiferous tubules.c. the hypothalamus.d. the prostate.e. All of these are correct.
Which of these is the correct path of an oocyte?a. uterine tube, fimbriae, uterus, vaginab. ovary, fimbriae, uterine tube, uterine cavityc. uterine tube, fimbriae, abdominal cavityd. fimbriae, uterine tube, uterine cavity, ovary
Fertilization of the oocyte usually occurs ina. the vagina.b. the uterus.c. the uterine tube.d. the ovary.e. All of these are correct
The secretory phase of the uterine cycle occurs during whichovarian phase?a. follicular phaseb. ovulationc. luteal phased. menstrual phase
. Following ovulation, the corpus luteum develops under theinfluence ofa. progesterone.b. FSH.c. LH.d. estradiol.
During pregnancy,a. the ovarian and uterine cycles occur more quickly than before.b. GnRH is produced at a higher level than before.c. the ovarian and uterine cycles do not occur.d. the female secondary sex characteristics are not maintained.e. Both b and c are correct.
Which means of birth control is most effective in preventing sexually transmitted diseases?a. condomb. pillc. diaphragmd. spermicidal jellye. vasectomy
Using currently available technology, which is the most reliable method to achieve male sterilization?a. condomb. contraceptive vaccinec. hormonal implantd. vasectomy
In which process are oocytes and sperm placed directly into the uterine tubes?a. artificial insemination by donorb. in vitro fertilizationc. intracytoplasmic sperm injectiond. gamete intrafallopian transfer
Which of these is a sexually transmitted disease caused by abacterium?a. gonorrheab. hepatitis Bc. genital wartsd. genital herpese. HIV
The human immunodeficiency virus has a preference for infectinga. B lymphocytes.b. cytotoxic T lymphocytes.c. helper T lymphocytes.d. All of these are correct.
For questions 17–19, match the descriptions with the sexuallytransmitted diseases in the key (use three from choices a–g).Key:a. AIDSb. hepatitis Bc. genital herpesd. genital wartse. gonorrheaf. chlamydiag. syphilis
genital blisters and painful ulcers, which heal and then recur
flulike symptoms, jaundice, eventual liver failure possible
males have a thick, greenish-yellow urethral discharge; can leadto PID and infertility, can also infect the eyes, throat, and anus