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Exam IV Non-nitrogen Protein, Kidney & Liver functions, Enzymes, Cardiac markers

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

What is the substrate for the enzyme aspartate amino transferase (AST)?

Back (Answer)

aspartate alpha ketoglutamic acid

#2
Front (Question)

Creatinine is formed from the breakdown of?

Back (Answer)

creatine

#3
Front (Question)

PSP is removed from the blood by the?

Back (Answer)

kidney

#4
Front (Question)

What is the principle of the Berthelot reaction and what substances can cause falsely elevated values in the reaction?

Back (Answer)

hydrolysis of urea into ammonium carbonate by the enzyme urease; cause blue colored compound high levels of ammonia or bilirubin

#5
Front (Question)

Increased ALT values are associated with disease of?

Back (Answer)

liver

#6
Front (Question)

What is the normal value for serum AST at 37?

Back (Answer)

5-35 uL

#7
Front (Question)

Which anticoagulant should NOT be used for the urease testing?

Back (Answer)

sodium fluoride

#8
Front (Question)

What is the normal percentage for the CK-MB isoenzyme?

Back (Answer)

less than 6%

#9
Front (Question)

What reagent is used in the measurement of uric acid?

Back (Answer)

phosphotungstic acid

#10
Front (Question)

Creatinine clearance is used to assess the rate of?

Back (Answer)

glomerular filtration

#11
Front (Question)

Crcl equation

Back (Answer)

(Ucr * Vu)/(Pcr * t)

#12
Front (Question)

What additional info must be know to calculate Crcl if the patient is an infant, young child or adolescent?

Back (Answer)

body surface area

#13
Front (Question)

What is the most common endogenous substance used to assess GFR? Exogenous substrate?

Back (Answer)

creatinine clearance inulin

#14
Front (Question)

Serum creatine kinase is most often used in diseases of?

Back (Answer)

muscle tissue

#15
Front (Question)

Serum lipase levels are elevated in disease of?

Back (Answer)

pancreas

#16
Front (Question)

Diacetyl monoxime reacts with ? to produce a yellow product?

Back (Answer)

urea

#17
Front (Question)

What is uremia?

Back (Answer)

abnormal substances of urea in the blood

#18
Front (Question)

What is the normal value for CK in males at 37?

Back (Answer)

15-160 U/L

#19
Front (Question)

Three ways that can be used in the lab to measure the rate of an enzymatic reaction.

Back (Answer)

Multiple point assay Continous Monitoring Kinetic point assay

#20
Front (Question)

Define the International Unit (IU)

Back (Answer)

quantity of enzyme that will catalyze one micromole (umol) of substrate per minute

#21
Front (Question)

What is the peak absorbance of reduced NAD (NADH)?

Back (Answer)

340nm

#22
Front (Question)

The Jaffe reaction is used to measure?

Back (Answer)

creatinine

#23
Front (Question)

Which non-protein nitrogen component comprises the largest fraction of NPN in the blood?

Back (Answer)

BUN/ urea

#24
Front (Question)

Which enzyme is useful in the detection of insecticide poisoning?

Back (Answer)

pseudocholinesterase