47 workbook 5

Question 1

sonographically the gestatoinal sac size or mean sac diameter is determined by calculating the average sum of the __________, ___________and _______of the gestational sac

Answer 1

Length

width

height

Question 2

failure to visualize the yolk sac with a minimum of ______mm MSD using transvaginal sonography should provoke suspicion of abnormal pregnancy

Answer 2

12

Question 3

transabdominal studies have shown taht hte yolk sac should be seen wihtin mean sac diamters of ________mm and should always be visualized with a mean sac diameter of 20mm

Answer 3

10-15

Question 4

the growth rate of the yolk sac has been reported to be approxiametly ________mm per millimeter of growth of the MSD when the MSD is less than 15 mm

Answer 4

.1

(one tenth)

Question 5

the early embryo is not identified with transvaginal sonography until heart motion is detected and the crown rump length measure approx________mm

Answer 5

3

Question 6

the embryonic period is the time between ________and 10 weeks gestation

Answer 6

4

Question 7

the primitive neural tube close by the ______weeks gestation

Answer 7

6th

Question 8

at _____weeks three primary vesichles are seen within the fetal brain, the prosencephalon, the mesencephalon and the rhombencephalon

Answer 8

8

Question 9

during development the midgut look of the bowel continues to grow and rotate before it decends into the fetal abdomen at about the _______week

Answer 9

11th