Module 2: Sections 28.02-28.03(already graded A+)

Module 2: Sections 28.02-28.03
Correctly match the following: Implantation begins. - answer 6-7 days after ovulation

coitus - answer sexual intercourse

Which of the following is not a function of the placenta? - answer Urine formation

Identify the item associated with early development of the embryo indicated by "A." -
answer Zygote (fertilized egg cell)

Identify the item associated with early development of the embryo indicated by "B." -
answer Four-cell stage

Identify the item associated with early development of the embryo indicated by "C." -
answer Morula

Identify the item associated with early development of the embryo indicated by "E." -
answer Implanting blastocyst

Identify the item associated with early development of the embryo indicated by "D." -
answer Early blastocyst

The usual site of fertilization is the __________. - answer uterine tube ( AKA fallopian
tube)

Implantation of the blastocyst begins __________. - answer 6-7 days after ovulation

The disc-shaped placenta is formed from the __________. - answer chronic villi and the
decidua basalis

A blastocyst grows by __________. - answer mitosis

Correctly match the following: Inner cell mass (embryoblast). - answer Forms the
embryo proper

Match the embryonic term with its correct characteristic: Blastocyst. - answer A fluid-
filled, hollow ball of cells

For successful fertilization to occur, coitus must occur no more than __________ and
no later than __________. - answer two days before ovulation; 24 hours after

In humans, the extra embryonic membrane that comprises the structural base for the
umbilical cord is the __________. - answer allantois

After fertilization, the zygote goes through a rapid period of cell divisions called
__________. - answer cleavage