Humand Development by Trimesters Quiz

What is a zygote?

• A fertilized egg

• An unfertilized egg

• A sperm before it becomes semen

• A seminal fluid

What is a gestation period?

• A pregnancy

• An ovulation phase

• Period of sperm production

• A period of egg production

Where does fertilization take place?

• The Fallopian tube

• The uterus

• The vagina

• The testes

Which of the following is an extraembryonic membrane that provides nutrients to the developing fetus?

• The placenta

• The umbilical cord

• The amniotic sac

• The amniotic fluid

What is the role of amniotic fluid?

• To serve as a cushion to protect the developing fetus

• To provide nutrients to the developing fetus

• To provide the developing fetus with blood

• It is a vestigial structure with no function that remains from a common ancestor

When do we begin to call an embryo a fetus?

• Around the 8th or 9th week

• Right before it is born

• The second trimester

• The third trimester

What do we call the specialization of cells to perform specific tasks and functions?

• Differentiation

• Nuerulation

• Fertilization

• Reproduction

In which trimester do all of the offspring's organ systems begin to form?

• First trimester

• Second trimester

• Third trimester

• Fourth trimester