BSC2085 Week 4 Exam Review UPDATED ACTUAL
Questions and CORRECT Answers
What is a normal sperm count and Normal sperm count is 50-120 million sperm per mL
what qualifies as infertile? of semen. Infertile is below 20-25 million sperm per
mL.
What is the placenta and what does The placenta is an organ that connects the fetus to
it do? the uterine wall via the umbilical cord, facilitating
nutrient and gas exchange, removing fetal waste,
and acting as a barrier.
What is the corpus luteum and what The corpus luteum is formed from the follicle after
does it do? ovulation and produces estradiol and
progesterone to sustain pregnancy. Prepare
mammary glands for lactation.
What is phenylketonuria (PKU) and PKU is a genetic disorder where the body cannot
when do we test infants for it? metabolize phenylalanine, leading to toxic buildup.
Newborns are screened shortly after birth.
What is the structure of a Head contains nucleus - (haploid chromosomes)
spermatozoon and the function of acrosome- (enzymes to penetrate egg); midpiece-
each part? contains mitochondria for ATP production
(Movement).
tail- (flagellum) provides motility.
What is a teratogen? A teratogen is any agent that causes anatomical
deformities in a fetus without altering DNA.
(Thalidomdie, alcohol, smoking, X-rays)
Questions and CORRECT Answers
What is a normal sperm count and Normal sperm count is 50-120 million sperm per mL
what qualifies as infertile? of semen. Infertile is below 20-25 million sperm per
mL.
What is the placenta and what does The placenta is an organ that connects the fetus to
it do? the uterine wall via the umbilical cord, facilitating
nutrient and gas exchange, removing fetal waste,
and acting as a barrier.
What is the corpus luteum and what The corpus luteum is formed from the follicle after
does it do? ovulation and produces estradiol and
progesterone to sustain pregnancy. Prepare
mammary glands for lactation.
What is phenylketonuria (PKU) and PKU is a genetic disorder where the body cannot
when do we test infants for it? metabolize phenylalanine, leading to toxic buildup.
Newborns are screened shortly after birth.
What is the structure of a Head contains nucleus - (haploid chromosomes)
spermatozoon and the function of acrosome- (enzymes to penetrate egg); midpiece-
each part? contains mitochondria for ATP production
(Movement).
tail- (flagellum) provides motility.
What is a teratogen? A teratogen is any agent that causes anatomical
deformities in a fetus without altering DNA.
(Thalidomdie, alcohol, smoking, X-rays)
