AAB MEDICAL TECHNOLOGIST –
CHEMISTRY QUESTION AND
ANSWERS 2026
40y/o Male has a random glucose of 470. Lab finding is consistent with what disorder? -
ANSWERSDiabetes Mellitus
Highly alkaline buffered urine can cause what error on a urine dipstick? -
ANSWERSfalse positive protein
In the urine dipstick test for protein, to which protein is the test more sensitive? Albumin
or globulin? - ANSWERSAlbumin
Ceruloplasmin, follicle stimulating hormone (FSH), and fibrinogen are all what? -
ANSWERSGlycoproteins
Diabetic acidosis, renal failure and prolonged vomiting can do what to chloride level? -
ANSWERSlower
Vitamin D, Calcitonin and Parathyroid hormone all regulate what? - ANSWERSCalcium
level
Name three ways urine specific gravity may be measured - ANSWERSrefractometer,
harmonic oscillation, reagent test strip
Is T3 Uptake a good indicator of hypothyroidism? - ANSWERSNo
What three levels are good indicators of hypothyroidism? - ANSWERSFT4, T4, TSH
Maple syrup disease, phenylketonuria, and alkaptonuria are aminoacidopathies caused
by what? - ANSWERSenzyme deficiency
Is AST elevated in acute pancreatitis? - ANSWERSNo
At a pH of 7.4, most phosphorus in the body is found in what form? - ANSWERSBone
Bilirubin is converted in the intestine into what? - ANSWERSUrobilinogen
Both porphobilinogen and urobilinogen form a red colored compound with Erlich's
reagent. How can they be differentiated? - ANSWERSUrobilinogen is soluble in
chloroform
, By the urease method, urea is enzymatically converted to what end product? -
ANSWERSAmmonia
Casts are formed primarily in what portion of the kidney? - ANSWERSDistal Convoluted
Tubule
Catecholamines are secreted by what? - ANSWERSAdrenal Medulla
What method for calcium is based on the assumption that calcium will be precipitated as
an oxalate? - ANSWERSThe classic Clark-Collip method
The colorimetric method for magnesium uses what reagent? - ANSWERSTitan yellow
Contamination of the glucose reagent with catalase can be a problem when using what
method? - ANSWERSGlucose oxidase
Because ionized calcium can be changed without affecting the total calcium level, what
other parameters must be known to properly elevate calcium? - ANSWERSpH and
Protein
Duchenne's Muscular Dystrophy, will produced what elevate enzyme? (also elevated in
a myocardial infarction) - ANSWERSCreatinine Kinase
A creatinine clearance test is performed. The 24hr urine volume is 770 ml; serum
creatinine is 2.0 mg/dl; urine creatinine is 240 mg/dl. What is the clearance, assuming
the average body surface area? - ANSWERSGFR= ([UCr x V]/SCr)/1440
64ml/mn=([240x770]/2)/1440
Down Syndrome is associated with what abnormal test result? - ANSWERSLow AFP
Direct Bilirubin is also known as - ANSWERSBilirubin diglucaronide
Diseases of what system are associated with elevated beta lipoprotein values? -
ANSWERSCardiovascular
If creatinine is elevated, what BUN result is most likely? - ANSWERSelevated - 10x
creatinine
Enzymatic hydrolysis of triglyceride may be accomplished by what enzyme? -
ANSWERSLipase
Meningitis, Multiple Sclerosis, Intracranial hemorrhage are all associated with what CSF
value? - ANSWERSElevated CDF protein
For the UV range, what must be employed in the spectrophotometer? -
ANSWERSQuartz cuvette
CHEMISTRY QUESTION AND
ANSWERS 2026
40y/o Male has a random glucose of 470. Lab finding is consistent with what disorder? -
ANSWERSDiabetes Mellitus
Highly alkaline buffered urine can cause what error on a urine dipstick? -
ANSWERSfalse positive protein
In the urine dipstick test for protein, to which protein is the test more sensitive? Albumin
or globulin? - ANSWERSAlbumin
Ceruloplasmin, follicle stimulating hormone (FSH), and fibrinogen are all what? -
ANSWERSGlycoproteins
Diabetic acidosis, renal failure and prolonged vomiting can do what to chloride level? -
ANSWERSlower
Vitamin D, Calcitonin and Parathyroid hormone all regulate what? - ANSWERSCalcium
level
Name three ways urine specific gravity may be measured - ANSWERSrefractometer,
harmonic oscillation, reagent test strip
Is T3 Uptake a good indicator of hypothyroidism? - ANSWERSNo
What three levels are good indicators of hypothyroidism? - ANSWERSFT4, T4, TSH
Maple syrup disease, phenylketonuria, and alkaptonuria are aminoacidopathies caused
by what? - ANSWERSenzyme deficiency
Is AST elevated in acute pancreatitis? - ANSWERSNo
At a pH of 7.4, most phosphorus in the body is found in what form? - ANSWERSBone
Bilirubin is converted in the intestine into what? - ANSWERSUrobilinogen
Both porphobilinogen and urobilinogen form a red colored compound with Erlich's
reagent. How can they be differentiated? - ANSWERSUrobilinogen is soluble in
chloroform
, By the urease method, urea is enzymatically converted to what end product? -
ANSWERSAmmonia
Casts are formed primarily in what portion of the kidney? - ANSWERSDistal Convoluted
Tubule
Catecholamines are secreted by what? - ANSWERSAdrenal Medulla
What method for calcium is based on the assumption that calcium will be precipitated as
an oxalate? - ANSWERSThe classic Clark-Collip method
The colorimetric method for magnesium uses what reagent? - ANSWERSTitan yellow
Contamination of the glucose reagent with catalase can be a problem when using what
method? - ANSWERSGlucose oxidase
Because ionized calcium can be changed without affecting the total calcium level, what
other parameters must be known to properly elevate calcium? - ANSWERSpH and
Protein
Duchenne's Muscular Dystrophy, will produced what elevate enzyme? (also elevated in
a myocardial infarction) - ANSWERSCreatinine Kinase
A creatinine clearance test is performed. The 24hr urine volume is 770 ml; serum
creatinine is 2.0 mg/dl; urine creatinine is 240 mg/dl. What is the clearance, assuming
the average body surface area? - ANSWERSGFR= ([UCr x V]/SCr)/1440
64ml/mn=([240x770]/2)/1440
Down Syndrome is associated with what abnormal test result? - ANSWERSLow AFP
Direct Bilirubin is also known as - ANSWERSBilirubin diglucaronide
Diseases of what system are associated with elevated beta lipoprotein values? -
ANSWERSCardiovascular
If creatinine is elevated, what BUN result is most likely? - ANSWERSelevated - 10x
creatinine
Enzymatic hydrolysis of triglyceride may be accomplished by what enzyme? -
ANSWERSLipase
Meningitis, Multiple Sclerosis, Intracranial hemorrhage are all associated with what CSF
value? - ANSWERSElevated CDF protein
For the UV range, what must be employed in the spectrophotometer? -
ANSWERSQuartz cuvette
