Pregnancy and labour

Question 1

How dilated does a patient need to be before FBS can be performed?

Answer 1

> 3cm

Question 2

What gestation does a patient need to be before FBS can safely be performed?

Answer 2

more than 34 weeks

Question 3

Management of an FBS sample of >7.25

Answer 3

Repeat in 1 hour

Question 4

Management of an FBS sample of 7.21-7.24

Answer 4

Repeat in 30 minutes

Question 5

Management of an FBS sample if <7.20

Answer 5

Expedite delivery

Question 6

Which blood tests does the combined test consist of?

Answer 6

PaPPA and HCG

Question 7

When can the combine test be performed?

Answer 7

11+2/40 - 14+1/40

Question 8

Which blood tests does the quadruple test consist of?

Answer 8

HCG, AFP, Unconjugated oestradiol, inhibin-A

Question 9

Which blood tests does the triple test consist of?

Answer 9

HCG, AFP, unconjugated oestradiol

Question 10

What happens to HCG levels in Down’s syndrome?

Answer 10

They are abnormally elevated

Question 11

What happens to HCG levels in Edwards syndrome?

Answer 11

They are abnormally low

Question 12

What happens to Inhibin A levels in Down’s syndrome?

Answer 12

They are abnormally high

Question 13

What happens to Inhibin A levels in Edwards syndrome?

Answer 13

They are abnormally low

Question 14

What does a low PaPPA indicate?

Answer 14

IUGR or Down’s syndrome

Question 15

What does a low AFP indicate?

Answer 15

May indicate down’s or Edwards syndrome

Question 16

What does a low unconjugated oestradiol level indicate?

Answer 16

May be low in Edwards syndrome and Down’s syndrome

Question 17

What does a high AFP level indicate?

Answer 17

Neural tube defects, multiple pregnancy