Quiz 2: Ricci Ch. 9, 10, 11, 12 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
how many calendar days is a pregnancy? - CORRECT ANSWER - 266
how many weeks is a pregnancy? - CORRECT ANSWER - 40
three stages of fetal development - CORRECT ANSWER - pre-embryonic, embryonic,
fetal stage
weeks for pre-embryonic - CORRECT ANSWER - fertilization- week 2
weeks for embryonic stage - CORRECT ANSWER - end of week 2 - week 8
weeks for fetal stage - CORRECT ANSWER - end of week 8 - birth
where does fertilization take place? - CORRECT ANSWER - ampulla of the fallopian tube
morula - CORRECT ANSWER - 16 cell embryo
blastocyst - CORRECT ANSWER - hollow ball of cells that comes after the morula
trophoblast - CORRECT ANSWER - the outer layer of cells surrounding the blastocyst
cavity
sperm and egg have how many chromosomes? - CORRECT ANSWER - 23
,zygote has how many chromosomes? - CORRECT ANSWER - 46
how many cleavages to get to morula? - CORRECT ANSWER -4
how long until 16-cell morula reaches the uterine cavity? - CORRECT ANSWER - 72 hrs
after fertilization
how long from fertilization to implantation? - CORRECT ANSWER - 5-7 days
blastocyst is made of what two parts? - CORRECT ANSWER - inner cell mass and outer
cell layer
inner cell mass of blastocyst two parts - CORRECT ANSWER - amnion and embryo
outer cell layer (trophoblast) of blastocyst two parts - CORRECT ANSWER - chorion and
placenta
ectoderm develops into: - CORRECT ANSWER - CNS, PNS, special senses, glands, hair
and nails
mesoderm develops into: - CORRECT ANSWER - bones, teeth, skeletal muscles, urinary
organs, circulatory organs, reproductive organs
endoderm develops into: - CORRECT ANSWER - respiratory system, liver, pancreas,
digestive system
CNS, PNS, special senses: which germ layer? - CORRECT ANSWER - ectoderm
glands, hair, nails: which germ layer? - CORRECT ANSWER - ectoderm
, bones, teeth, muscles: which germ layer? - CORRECT ANSWER - mesoderm
urinary, circulatory, reproductive organs: which germ layer? - CORRECT ANSWER -
mesoderm
respiratory system: which germ layer? - CORRECT ANSWER - endoderm
liver, pancreas, digestive system: which germ layer? - CORRECT ANSWER - endoderm
chorionic villi develop on chorion during which stage? - CORRECT ANSWER -
embryonic stage
amniotic sac made up of: - CORRECT ANSWER - chorion and amnion (bag of waters)
roles of amniotic fluid: - CORRECT ANSWER - temperature, symmetric growth and
development, cushion, keeps cord free from compression, promotes fetal movement
hydramnios - CORRECT ANSWER - too much amniotic fluid
oligohydramnios - CORRECT ANSWER - too little amniotic fluid
umbilical cord formed from - CORRECT ANSWER - amnion
vessels in the umbilican cord - CORRECT ANSWER - one vein, two arteries
surrounds the vessels of the umbilical cord: - CORRECT ANSWER - Wharton's jelly
ACTUAL Exam Questions and CORRECT
Answers
how many calendar days is a pregnancy? - CORRECT ANSWER - 266
how many weeks is a pregnancy? - CORRECT ANSWER - 40
three stages of fetal development - CORRECT ANSWER - pre-embryonic, embryonic,
fetal stage
weeks for pre-embryonic - CORRECT ANSWER - fertilization- week 2
weeks for embryonic stage - CORRECT ANSWER - end of week 2 - week 8
weeks for fetal stage - CORRECT ANSWER - end of week 8 - birth
where does fertilization take place? - CORRECT ANSWER - ampulla of the fallopian tube
morula - CORRECT ANSWER - 16 cell embryo
blastocyst - CORRECT ANSWER - hollow ball of cells that comes after the morula
trophoblast - CORRECT ANSWER - the outer layer of cells surrounding the blastocyst
cavity
sperm and egg have how many chromosomes? - CORRECT ANSWER - 23
,zygote has how many chromosomes? - CORRECT ANSWER - 46
how many cleavages to get to morula? - CORRECT ANSWER -4
how long until 16-cell morula reaches the uterine cavity? - CORRECT ANSWER - 72 hrs
after fertilization
how long from fertilization to implantation? - CORRECT ANSWER - 5-7 days
blastocyst is made of what two parts? - CORRECT ANSWER - inner cell mass and outer
cell layer
inner cell mass of blastocyst two parts - CORRECT ANSWER - amnion and embryo
outer cell layer (trophoblast) of blastocyst two parts - CORRECT ANSWER - chorion and
placenta
ectoderm develops into: - CORRECT ANSWER - CNS, PNS, special senses, glands, hair
and nails
mesoderm develops into: - CORRECT ANSWER - bones, teeth, skeletal muscles, urinary
organs, circulatory organs, reproductive organs
endoderm develops into: - CORRECT ANSWER - respiratory system, liver, pancreas,
digestive system
CNS, PNS, special senses: which germ layer? - CORRECT ANSWER - ectoderm
glands, hair, nails: which germ layer? - CORRECT ANSWER - ectoderm
, bones, teeth, muscles: which germ layer? - CORRECT ANSWER - mesoderm
urinary, circulatory, reproductive organs: which germ layer? - CORRECT ANSWER -
mesoderm
respiratory system: which germ layer? - CORRECT ANSWER - endoderm
liver, pancreas, digestive system: which germ layer? - CORRECT ANSWER - endoderm
chorionic villi develop on chorion during which stage? - CORRECT ANSWER -
embryonic stage
amniotic sac made up of: - CORRECT ANSWER - chorion and amnion (bag of waters)
roles of amniotic fluid: - CORRECT ANSWER - temperature, symmetric growth and
development, cushion, keeps cord free from compression, promotes fetal movement
hydramnios - CORRECT ANSWER - too much amniotic fluid
oligohydramnios - CORRECT ANSWER - too little amniotic fluid
umbilical cord formed from - CORRECT ANSWER - amnion
vessels in the umbilican cord - CORRECT ANSWER - one vein, two arteries
surrounds the vessels of the umbilical cord: - CORRECT ANSWER - Wharton's jelly
