Chap 17 quiz

While human cells normally contain...... chromosomes, called the......number, gametes (eggs and sperm) contain 23 chromosomes, the......number.
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Terms in this set (21)
While human cells normally contain...... chromosomes, called the......number, gametes (eggs and sperm) contain 23 chromosomes, the......number.
46, diploid, 23, haploid
When a vasectomy is performed, the tube that is cut and tied off is the
vas deferens
Which statement about the testes and sperm is NOT true?
all the sperm a man will ever use are present at his birth
tail
movement, propels the sperm
acrosome
contains enzymes to help penetrate the egg
midpiece
contains mitochondria-fuel for the trip
head
contains chromosomes
These are statements about the oviducts
the egg travels through it from the ovary to the uterus
also called fallopian or uterine tubes
one possible site for an ectopic pregnancy
vagina
receives penis during intercourse, birth canal
ovary
produces eggs, estrogen, progesterone
breastsproduce milkuterusreceives and nourishes embryodiaphragmbarrier methodcondomsonly contraception method that protects against STD'SSpermicideskill sperm, available in foam, jelly, cream, tabletintrauterine devicedevice inserted into the uterus by a physiciansterilizationpermanent method, involves cutting tubes in male or femalehormonal contraceptionestrogen/ progesterone or progesterone alone given to prevent ovulationa woman is most fertilefor about 4 days following ovulationKnowledge about sexually-transmitted infections is important because:viral diseases cannot be cured these diseases can show no symptoms untreated, these diseases can be transmitted for life bacterial diseases can be cured, but only if treated earlyHIV cannot be transmitted by which of the following?hugging