2.3.1 Nonprotein Nitrogen Compounds (Urea) Flashcards
Urea is the Lowest concentration in the blood
T or F
F
Highest
Urea comprises of __________ of NPN mass in plasma
a. 45 - 50%
b. 50 - 55%
c. 40 - 45%
d. 35 - 40%
a
Urea is formed in the ______ from CO2 and ammonia
liver
Urea is not associated with the detoxification function of the liver
T or F
F
Associated
Urea is a non toxic form of ammonia
T or F
T
Major excretory product of protein metabolism and other nitrogen-containing chemicals.
Urea
Convert BUN to urea (Formula)
BUN x 2.14
Reference method for Urea
IDMs
Chemical Method for Urea?
a. Jaffe method
b. Phophotungstic Acid method
c. Fearon Method
c
Product for Fearon method when Diacetyl combine with urea?
a. Diacetyl monoxime
b. Formazan
c. Diazine
c
Color of diazine?
Yellow
Enzymatic method for urea:
Colorimetric:
- Nesselrization
- Berthelot
T or F
T
Enzymatic method for urea:
GLDH-Couple enzymatic
T or F
T
Enzymatic method for urea:
Conductimetric is a measurement of the increase in conductivity due to the ___ and CO3^2- ions
a. Urea
b. NH4
c. Uric acid
NH4 (Ammonia)
Berthelot reaction in enzymatic method for urea, the indophenol is color?
Blue