HUMAN DEVELOPMENT BEFORE BIRTH

Multiple Choice

In what order does sperm travel through the female reproductive system?

• Vagina > Uterus > Cervix > Fallopian Tubes

• Vagina > Urethra > Cervix > Fallopian Tubes

• Cervix > Vagina > Uterus > Fallopian Tubes

• Vagina > Cervix > Uterus > Fallopian Tubes

• Vagina > Cervix > Urethra > Fallopian Tubes

Multiple Choice

Process in which a sperm cell is joining with an egg cell is called

• zygote

• fertilization

• implantation

• ovulation

Multiple Choice

This part of sperm cell releases enzymes that breaks down the outer membrane of egg cell

• Acrosome

• Mitochondrion

• Zona Pellucida

• Cortical Granule

Multiple Choice

Embryonic structure of an animal that consists of TWO cell layers

• blastula

• gastrula

• morula

• blastocyst

Multiple Choice

______ implants itself into the lining of the uterus.

• blastual

• gastrula

• blastocyst

• morula

Multiple Choice

The embryo become a solid ball of cells

• morula

• gamete

• zygote

• blastula

Multiple Choice

The diagram below represents some stages of early embryonic development. Which process is represented by the arrows in the diagram?

• meiosis

• Mitosis

• Fertilization

• Evolution

Multiple Choice

When an ovum is first fertilized it is known as

• a nucleus

• an embryo

• a zygote

• a fetus

Multiple Choice

Sexual reproduction is vital to the propagation of the Human race. Which of the following sequences represents the correct order of events in the formation of a human fetus?

• Zygote → Blastocyst → Embryo → Fertilization

• Fertilization → Zygote → Blastocyst → Embryo

• Blastocyst → Embryo → Differentiation → Zygote

• Fertilization → Growth → Differentiation → Zygote

Multiple Choice

What are the components of an extraembryonic membranes?

• Amnion, Allantois, Air Cavity, and Yolk Sac

• Operculum, Cuticle, Amnion, and Yolk Sac

• Amnion, Allantois, Chorion, and Yolk Sac

• Allantois, Amnion, Chorion, and Amplexus

Multiple Choice

What is the structure that acts as temporary organ to allow exchange of substances between mother and foetus.

• umbilical cord

• uterus

• placenta

• amniotic sac

Multiple Select

Choose the correct statements about umbilical cord.

• a tube that connect placenta and the foetus

• a thin and strong membrane

• contains blood vessel

• prevents blood form mother and foetus from mixing

• to transport substance between the foetus and the mother

Multiple Choice

Approximately how many weeks after fertilization is baby is ready to be born ?

• 17 to 24
• 24 to 36
• 22 to 48
• 40 to 42

Multiple Choice

Pregnancy is divided into three_________.

• Trimesters
• Periods
• Months

Multiple Choice

At the end of 8 weeksnthe new life is classified as which of the following?

• Fetus

• Embryo

• Zygote

• Infant

Multiple Select

The second trimester is primarily the period of ____________.

• growth

• decrease

• lump formation

• produce

Multiple Choice

The brain develops rapidly during the ____________ trimester.

• first

• second

• both first and second

• third

Multiple Choice

test used by taking amniotic fluid from the mother (to check for abnormalities)

• ultrasound

• amniocentesis

• premature

Multiple Choice

sound waves used to make images (picture) of the fetus

• amniocentisis

• ultrasound

• placenta

Multiple Choice

What is the name of the prenatal test that involves taking a sample of placenta?

• alpha-fetaprotein

• amniocentesis

• chorionic villi sampling

• ultrasound