Exam Indications and Labs

Question 1

what are some indications for an OB exam

Answer 1

• size and dates
• vaginal bleeding
• fetal growth
• invasive procedures
• pelvic mass
• viability
• ectopic
• IUD
• BPP
• fluid level
• placental abruption
• cerclage insertion

Question 2

___: total number of pregnancies

Answer 2

gravida

Question 3

___: number of births living or stillborn

Answer 3

parity

Question 4

a full term birth is considered when at ___ weeks or greater

Answer 4

37

Question 5

pre term is when the fetus is born between what weeks

Answer 5

20-36

Question 6

___: no term fetuses

Answer 6

nulliparous

Question 7

___: multiple term fetuses

Answer 7

multiparous

Question 8

___: has already delivered five or more infants who have achieved a gestational age of 24 weeks or more

Answer 8

grand multiparty

Question 9

___: has already delivered nine or more infants who have achieved a gestational age of 24 weeks or more

Answer 9

great grand multiparty

Question 10

___: never been pregnant

Answer 10

nulligravida

Question 11

___: pregnant for the first time

Answer 11

primigravida

Question 12

___: has been pregnant several times

Answer 12

multigravida

Question 13

___: softening of the lower uterine segment that occurs with pregnancy

Answer 13

hear sign

Question 14

___: venous congestion of vaginal mucousa that normally occurs with pregnancy

Answer 14

Chadwick sign

Question 15

___: bluish discoloration around maternal umbilicus associated with intraperitoneal hemorrhage

Answer 15

Cullen sign

Question 16

HCG can be found in maternal blood how long after ovulation

Answer 16

7-10 days

Question 17

HCG should ___ every 2 days in the first trimester

Answer 17

double

Question 18

at what week will HCG level off before declining

Answer 18

8 weeks

Question 19

___: bhCG levels in blood that correspond with the first possible sonographic visualization of the gestational sac

Answer 19

threshold level

Question 20

___: bhCH levels in blood that must correspond with sonographic visualization of the gestational sac

Answer 20

discriminatory zone

Question 21

low levels of HCG can indicate what things

Answer 21

• fetal demise
• ectopic
• wrong dates
• missed abortion

Question 22

high levels of HCG indicate what things

Answer 22

• multiple fetuses
• gestational trophoblastic disease
• wrong dates

Question 23

___: testing maternal serum for levels fo afp, bHCG, and estriol

Answer 23

triple screen (AFP3)

Question 24

triple screen is a risk assessment for what things

Answer 24

downs and neural tube defects

Question 25

a quad screen adds what to the triple screen

Answer 25

inhibin a for trisomy 21

Question 26

when is PAPP A testing done

Answer 26

10-13 weeks

Question 27

when is quad screening done

Answer 27

15-20 weeks

Question 28

AFP is produced by what things

Answer 28

yolk sac, fetal liver and fetal GI tract

Question 29

what is the most common reason for elevated MSAFP

Answer 29

inaccurate dating

Question 30

an increase in MSAFP can indicate what things

Answer 30

- incorrect LMP - multiple pregnancy - abdominal wall defects - neural tube defects - IUGR - renal abnormalities

Question 31

a decrease in MSAFP can indicate what things

Answer 31

- incorrect LMP - fetal demise - molar pregnancy - trisomy 13, 18, 21

Question 32

with trisomy 21 - MSAFP ___ - hCG ___ - Estriol ___ - inhibin A ___

Answer 32

- MSAFP decreased - hCG increased - Estriol decreased - inhibin A increased

Question 33

with trisomy 18 - MSAFP ___ - hCG ___ - Estriol ___ - inhibin A ___

Answer 33

- MSAFP decreased - hCG decreased - Estriol decreased - inhibin A n/a