Specimen
Electrolytes
Creatinine
BUN
eGFR
100

What is the additive inside a gold top tube?

Thixotropic gel

100
It is the principal osmotic particle of the cell and is the most abundant cation in the ECF
Sodium
100

Creatinine is a waste product of what metabolism?

Muscle

100

N in BUN stands for whart?

Nitrogen

100

This formula predicts creatinine clearance and the results are not corrected for body surface area.

Cockcroft-Gault Formula

200
What is the preferred additive used in STAT specimens for renal panel?

Lithium heparin 

200

It is the single most important electrolyre in terms of being life threatening.

Potassium

200

Which of the following causes false increase in creatinine measurement: uric acid, bilirubin, or hemoglobin?

Uric acid

200

TRUE OR FALSE: Fluoride can be used as an additive when collecting specimen for BUN measurement.

FALSE. Fluoride inhibits urease which causes falsely low value

200

This formula does not require patient weight and is corrected for body surface area.

Modification of Diet in Renal Disease Formula

300

TRUE OR FALSE: For many renal panel tests, you are not required to fast for 8 to 12 hours before your blood is drawn.

FALSE. For many renal panel tests, you will need to fast for 8 to 12 hours before your blood is drawn.

300

It is conserved by aldosterone alongside Na+

Chloride

300

What is the conversion factor for creatinine? 

88.4

300

What is the conversion factor for BUN?

0.1665

300

Which of the variables is not included in MDRD equation: age, body surface area, race, gender, serum creatinine?

Body surface area