Normal 1st Trimester

Question 1

Where does fertilization occur?

Answer 1

Ampulla

Question 2

What is the name of a fertilized egg?

Answer 2

Zygote

Question 3

What is the name of a fertilized cluster of cells?

Answer 3

Morula

Question 4

What part of the blastocyst begins to produce hCG?

Answer 4

Trophoblast

Question 5

What maintains the corpus luteum?

Answer 5

hCG

Question 6

What part of the blastocyst eventually becomes the chorion and placenta?

Answer 6

Throphoblast

Question 7

What part of the blastocyst will develop into the embryo, amnion, cord, and yolk sac?

Answer 7

Embryoblast

Question 8

What hCG level should you be able to visualize a gestational sac TV?

Answer 8

1000-2000

Question 9

What hCG level should you be able to visualize a gestational sac TA?

Answer 9

3500

Question 10

What MSD should a yolk sac be visualized within a gestational sac?

Answer 10

10mm

Question 11

How many mm does a MSD grow a day?

Answer 11

1mm

Question 12

What should a normal yolk sac measure?

Answer 12

<6mm

Question 13

At what MSD should a fetal pole be visualized?

Answer 13

25mm

Question 14

How many mm does a fetal pole grow per day?

Answer 14

1mm

Question 15

At what mm must cardiac activity be visualized by?

Answer 15

5mm

Question 16

What does the rhombencephalon develop into?

Answer 16

4th ventricle

Question 17

At what week should the physiologic bowel herniation be completed by?

Answer 17

Week 12

Question 18

What is the maternal side of placenta called?

Answer 18

Decidua basalis

Question 19

What is the fetal side of the placenta called?

Answer 19

Chorion frondosum

Question 20

What should the NT measure?

Answer 20

<3mm