CEFM EXAM QUESTIONS AND
CORRECT ANSWERS 100%
GUARANTEED PASS
When is fetal SVT seen? - Answer- Common around 30-32 weeks; may be seen as
early as 15w, or can appear suddenly during labor.
Treatment meds for fetal SVT - Answer- Digoxin IV then PO for maintenance, dosing up
to 100% higher than for no pregnant adults. If unsuccessful, give flecainide, adenosine,
amiodarone, sotalol, or propranolol
Causes of congenital heart block - Answer- Maternal collagen vascular disease like
lupus or RA
Transposition of great vessels or other congenital heart disease
Fetal infection (CMV)
Antiphospholipid antibody syndrome
Congenital heart block- observe for what? - Answer- Oligo
Common causes of both PAC and PVS - Answer- Maternal caffeine, nicotine, alcohol
Causes of PACs - Answer- Maternal hyperthyroidism
foramen ovale flap tissue in fetal heart
Common causes of PVC - Answer- cardiac anomaly
Cardiomyopathy or fetal hydros
Myocarditis
Digitalis toxicity
Hyperkalemia associated with maternal hyperemesis
Most contractions should not be longer than... - Answer- 90sec
Resting time in first stage vs second stage - Answer- First stage resting time at least
60sec
Second stage resting time at least 45sec
Uteroplacental circulation at term js ____mL - Answer- 700mL (10-15% of maternal CO)
, Placental transfer capacity below 75% leads to - Answer- IUGR
If placental transfer capacity drops below 50% - Answer- Fetus is at risk for compromise
and death
Are varicosities (false knots) clinically significant? - Answer- No
Average umbilical cord length at term - Answer- 55-60cm
Velamentous cord insertion - Answer- Abnormal insertion of umbilical cord into
membranes instead of directly into the placenta
Vasa previa - Answer- Umbilical vessels run through placental membranes across
cervical os and ahead of the presenting part
High risk of fetal blood loss and hypovolemia with membrane rupture
How much amniotic fluid at 10 weeks? - Answer- 10-20mL
How much amniotic fluid at 24-28 weeks? - Answer- 700-800mL
When is amniotic fluid volume highest? - Answer- 24-28 weeks. After that it plateaus,
then might slowly decline around 36-39 weeks
Oligo definition - Answer- Single deepest vertical pocket 2cm or less
poly definition - Answer- More than 2,000mL of amniotic fluid;AFI greater than 97.5
percentile for GA;AFV>18
Causes of poly - Answer- 1. Fetal GI obstruction
2. Congenital malformations
3. Maternal DM
_____ helps the fetus maintain a relatively constant temperature - Answer- Amniotic
fluid
MVUs in first stage of labor vs 2nd - Answer- 1st stage- 100-250 MVU
2nd stage- 300-400 MVU
Represents the amount of oxygen dissolved in plasma - Answer- PaO2
Where is PAO2 the highest? - Answer- Lung capillary beds where O2 is bound to
hemoglobin
Refers to the percent of oxygen carried by hemoglobin - Answer- SaO2
CORRECT ANSWERS 100%
GUARANTEED PASS
When is fetal SVT seen? - Answer- Common around 30-32 weeks; may be seen as
early as 15w, or can appear suddenly during labor.
Treatment meds for fetal SVT - Answer- Digoxin IV then PO for maintenance, dosing up
to 100% higher than for no pregnant adults. If unsuccessful, give flecainide, adenosine,
amiodarone, sotalol, or propranolol
Causes of congenital heart block - Answer- Maternal collagen vascular disease like
lupus or RA
Transposition of great vessels or other congenital heart disease
Fetal infection (CMV)
Antiphospholipid antibody syndrome
Congenital heart block- observe for what? - Answer- Oligo
Common causes of both PAC and PVS - Answer- Maternal caffeine, nicotine, alcohol
Causes of PACs - Answer- Maternal hyperthyroidism
foramen ovale flap tissue in fetal heart
Common causes of PVC - Answer- cardiac anomaly
Cardiomyopathy or fetal hydros
Myocarditis
Digitalis toxicity
Hyperkalemia associated with maternal hyperemesis
Most contractions should not be longer than... - Answer- 90sec
Resting time in first stage vs second stage - Answer- First stage resting time at least
60sec
Second stage resting time at least 45sec
Uteroplacental circulation at term js ____mL - Answer- 700mL (10-15% of maternal CO)
, Placental transfer capacity below 75% leads to - Answer- IUGR
If placental transfer capacity drops below 50% - Answer- Fetus is at risk for compromise
and death
Are varicosities (false knots) clinically significant? - Answer- No
Average umbilical cord length at term - Answer- 55-60cm
Velamentous cord insertion - Answer- Abnormal insertion of umbilical cord into
membranes instead of directly into the placenta
Vasa previa - Answer- Umbilical vessels run through placental membranes across
cervical os and ahead of the presenting part
High risk of fetal blood loss and hypovolemia with membrane rupture
How much amniotic fluid at 10 weeks? - Answer- 10-20mL
How much amniotic fluid at 24-28 weeks? - Answer- 700-800mL
When is amniotic fluid volume highest? - Answer- 24-28 weeks. After that it plateaus,
then might slowly decline around 36-39 weeks
Oligo definition - Answer- Single deepest vertical pocket 2cm or less
poly definition - Answer- More than 2,000mL of amniotic fluid;AFI greater than 97.5
percentile for GA;AFV>18
Causes of poly - Answer- 1. Fetal GI obstruction
2. Congenital malformations
3. Maternal DM
_____ helps the fetus maintain a relatively constant temperature - Answer- Amniotic
fluid
MVUs in first stage of labor vs 2nd - Answer- 1st stage- 100-250 MVU
2nd stage- 300-400 MVU
Represents the amount of oxygen dissolved in plasma - Answer- PaO2
Where is PAO2 the highest? - Answer- Lung capillary beds where O2 is bound to
hemoglobin
Refers to the percent of oxygen carried by hemoglobin - Answer- SaO2
