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Ch 10, Life Science, Part 2
Test Description: Controlling Body Processes
Instructions: Answer all questions to get your test result.
1) THe ___ gland regulates the blood's calcium levels.
A
thyroid
B
thymus
C
parathyroid
D
hypothalamus
2) The ___ produces insulin and glucagon, which control the blood's glucose levels
A
pituitary gland
B
ovaries
C
testes
D
pancreas
3) Which two glands work together to control many body activities?
A
hypothalamus and parathyroid
B
pancreas and pituitary
C
thyroid and thymus
D
hypothalamus and pituitary
4) When does a zygote turn into an embryo?
A
when it divides into two cells
B
when it is born
C
after 8 weeks
D
after it has attached to the uterus
5) Which is NOT true of the tesets
A
sperm is produced here
B
urine is produced here
C
testosterone is produced here
D
they are located in the scrotum
6) Fertilization usually occurs in
A
the vagina
B
the uterus
C
a Fallopian tube
D
an ovary
7) The uterus develops a thick lining in order to
A
prepare for a fertilized egg
B
prevent sperm from entering
C
produce an egg
D
feed sperm
8) The menstrual cycle takes about
A
35 days
B
21 days
C
14 days
D
28 days
9) An embryo becomes a fetus
A
at the end of the eighth week
B
when the heart starts beating
C
when it attaches to the uterus
D
once it divides into 2 cells
10) The amniotic sac's job is to
A
keep the baby warm
B
cushion and protect the embryo/fetus
C
get rid of waste
D
exchange materials with the mother
11) During labor,
A
the placenta is pushed out of the vagina
B
the baby is pushed out of the vagina
C
the cervix opens until it is large enough for the baby to fit through
D
the uterus prepares for a fertilized egg
12) Identical twins come from
A
none of the above
B
two sperm fertilizing two eggs
C
a sperm fertilizing a single egg
D
one sperm fertilizing two eggs
13) ___ controls the development of adult male characteristics
A
estrogen
B
progesterone
C
testosterone
D
adrenaline
14) Which is true about semen?
A
it leaves through a tube called the uterus
B
it provides an environment where sperm can swim and nutrients for energy
C
it is a combination of fluid mixed with egg cells
D
all of the above
15) Which is not part of the female reproductive system?
A
cervix
B
urethra
C
ovary
D
uterus
16) How often are eggs released?
A
they are constantly being released daily
B
twice a month
C
every week
D
once a month
17) An unfertilized egg will
A
go back to the ovary to try again next month
B
become a zygote by itself
C
stay in the uterus until it is fertilized
D
break down in the uterus and leave through the vagina
18) The blood of the fetus and the mother do not mix.
A
false
B
true
19) A fetus is connected to the placenta by the
A
zygote
B
umbilical cord
C
amniotic sac
D
urethra
20) The last stage of childbirth is
A
afterbirth
B
labor
C
placenta
D
delivery
*select an answer for all questions
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