Fertilization and Early Development Quiz

Fertilization typically occurs in the:

• Ovary

• Uterus

• Vagina

• Fallopian tube

The embryonic period lasts from:

• Week 1 to Week 12

• Fertilization to birth

• Week 1 to Week 8

• Week 9 to birth

What is the first step after fertilization?

• Implantation

• Cleavage

• Gastrulation

• Neurulation

Which of the following is the fluid-filled cavity inside the blastocyst?

• Amniotic cavity

• Morula

• Blastocoel

• Zona pellucida

The cell resulting from fertilization is known as a:

• Morula

• Zygote

• Blastocyst

• Oocyte

The process of cell division that leads to the formation of a morula is called:

• Fertilization

• Cleavage

• Implantation

• Gastrulation

The blastocyst implants into the uterus around:

• Day 2

• Day 5–9

• Day 12

• Day 15

The trophoblast will develop into the:

• Amnion

• Yolk sac

• Embryo

• Chorion

Which hormone is secreted by the trophoblast?

• FSH

• Estrogen

• hCG

• LH

Which cavity forms within the bilaminar embryonic disc?

• Chorionic cavity

• Neural cavity

• Amniotic cavity

• Blastocyst cavity