Q 01/05

Which temporary organ attaches to the wall of the uterus during pregnancy to supply the baby with oxygen and food?

A) The umbilical cord

B) The yolk sac

C) The fundus

D) The placenta

Answer · why

D) The placenta

The placenta. It also carries the baby's waste away, and because it is delivered shortly after the baby, it is commonly known as the afterbirth.

Q 02/05

What is the inner lining of the uterus, the layer shed during a period, called?

A) Myometrium

B) Epithelium

C) Perimetrium

D) Endometrium

Answer · why

D) Endometrium

Endometrium. It thickens each cycle ready to receive an embryo, and if none implants only its upper layer is shed, leaving a deeper layer behind to re...

Q 03/05

Shortly after an egg is released, sperm usually meet and fertilise it inside which structure?

A) Uterine cavity

B) Vaginal canal

C) Fallopian tube

D) Ovarian follicle

Answer · why

C) Fallopian tube

Fallopian tube. The embryo normally drifts on to the uterus, and when it implants in the tube instead the result is an ectopic pregnancy, because the ...

Q 04/05

What is the narrow neck of the uterus, where it joins the vagina, called?

A) Fundus

B) Vestibule

C) Isthmus

D) Cervix

Answer · why

D) Cervix

Cervix. A plug of mucus keeps it sealed throughout pregnancy, then in labour it thins and opens to about 10 centimetres so the baby's head can pass th...

Q 05/05

What is the first cell of a new human, formed when a sperm fertilises an egg, called?

A) Follicle

B) Morula

C) Zygote

D) Oocyte

Answer · why

C) Zygote

Zygote. Only one sperm gets in: the moment it fuses with the egg, the egg's outer coat changes to lock out all the others, and the new cell starts to ...