5.3 Amniotic Fluid (Tests for Fetal lung maturity) Flashcards
Sphingomyelin internal standard; affected by blood and meconium
a. L/S ratio
b. Amniostat-FLM
c. Foam stability index
d. Microviscosity
e. Lamellar bodies
a
The level of sphingomyelin remains constant through gestation
The level of lecithin will increase significantly after the 35th week of gestation
T or F
T
Normal value:
More than or equal to 2.0
a. L/S ratio
b. Amniostat-FLM
c. Foam stability index
d. Microviscosity
e. Lamellar bodies
a
Antisera specific to phosphatidylglycerol
a. L/S ratio
b. Amniostat-FLM
c. Foam stability index
d. Microviscosity
e. Lamellar bodies
b
Normal value:
Positive
a. L/S ratio
b. Amniostat-FLM
c. Foam stability index
d. Microviscosity
e. Lamellar bodies
b
Uses _________________ which is an antifoaming agent For foaming stability index
95% ethanol
Normal Values:
More than or equal to 47
a. L/S ratio
b. Amniostat-FLM
c. Foam stability index
d. Microviscosity
e. Lamellar bodies
c
In microviscosity: ______________ is the internal standard
Albumin
Normal values:
More than or equal to 55mg/g
a. L/S ratio
b. Amniostat-FLM
c. Foam stability index
d. Microviscosity
e. Lamellar bodies
d
Identify by using hematology analyzers
a. L/S ratio
b. Amniostat-FLM
c. Foam stability index
d. Microviscosity
e. Lamellar bodies
e
In lamellar bodies:
Centrifugation: _______g, _______min
450x
10mins
In Lamellar bodies:
In hematology analyzers, it uses ______ channel
Platelet
Normal values
More than or equal to 32,000/uL (Hematology analyzers)
a. L/S ratio
b. Amniostat-FLM
c. Foam stability index
d. Microviscosity
e. Lamellar bodies
e
Normal values:
More than or equal to 0.150
(Centrifugation with OD 650nm)
a. L/S ratio
b. Amniostat-FLM
c. Foam stability index
d. Microviscosity
e. Lamellar bodies
e
A hematology analyzers that uses platelet channels for lamellar bodies
Coulter counter
