Exam 2025 With 100% Correct Answers
40y/o Male has a random glucose of 470. Lab finding is consistent with what disorder? - correct
answers ✔✔Diabetes Mellitus
Highly alkaline buffered urine can cause what error on a urine dipstick? - correct answers
✔✔false positive protein
In the urine dipstick test for protein, to which protein is the test more sensitive? Albumin or
globulin? - correct answers ✔✔Albumin
Ceruloplasmin, follicle stimulating hormone (FSH), and fibrinogen are all what? - correct
answers ✔✔Glycoproteins
Diabetic acidosis, renal failure and prolonged vomiting can do what to chloride level? - correct
answers ✔✔lower
Vitamin D, Calcitonin and Parathyroid hormone all regulate what? - correct answers ✔✔Calcium
level
Name three ways urine specific gravity may be measured - correct answers ✔✔refractometer,
harmonic oscillation, reagent test strip
Is T3 Uptake a good indicator of hypothyroidism? - correct answers ✔✔No
What three levels are good indicators of hypothyroidism? - correct answers ✔✔FT4, T4, TSH
,Maple syrup disease, phenylketonuria, and alkaptonuria are aminoacidopathies caused by
what? - correct answers ✔✔enzyme deficiency
Is AST elevated in acute pancreatitis? - correct answers ✔✔No
At a pH of 7.4, most phosphorus in the body is found in what form? - correct answers ✔✔Bone
Bilirubin is converted in the intestine into what? - correct answers ✔✔Urobilinogen
Both porphobilinogen and urobilinogen form a red colored compound with Erlich's reagent.
How can they be differentiated? - correct answers ✔✔Urobilinogen is soluble in chloroform
By the urease method, urea is enzymatically converted to what end product? - correct answers
✔✔Ammonia
Casts are formed primarily in what portion of the kidney? - correct answers ✔✔Distal
Convoluted Tubule
Catecholamines are secreted by what? - correct answers ✔✔Adrenal Medulla
What method for calcium is based on the assumption that calcium will be precipitated as an
oxalate? - correct answers ✔✔The classic Clark-Collip method
The colorimetric method for magnesium uses what reagent? - correct answers ✔✔Titan yellow
Contamination of the glucose reagent with catalase can be a problem when using what
method? - correct answers ✔✔Glucose oxidase
, Because ionized calcium can be changed without affecting the total calcium level, what other
parameters must be known to properly elevate calcium? - correct answers ✔✔pH and Protein
Duchenne's Muscular Dystrophy, will produced what elevate enzyme? (also elevated in a
myocardial infarction) - correct answers ✔✔Creatinine 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? - correct answers ✔✔GFR= ([UCr x V]/SCr)/1440
64ml/mn=([240x770]/2)/1440
Down Syndrome is associated with what abnormal test result? - correct answers ✔✔Low AFP
Direct Bilirubin is also known as - correct answers ✔✔Bilirubin diglucaronide
Diseases of what system are associated with elevated beta lipoprotein values? - correct answers
✔✔Cardiovascular
If creatinine is elevated, what BUN result is most likely? - correct answers ✔✔elevated - 10x
creatinine
Enzymatic hydrolysis of triglyceride may be accomplished by what enzyme? - correct answers
✔✔Lipase
Meningitis, Multiple Sclerosis, Intracranial hemorrhage are all associated with what CSF value? -
correct answers ✔✔Elevated CDF protein