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30 Cards in this Set

  • Front
  • Back
The enzyme that is inhibited by hemoglobin is:
Lipase
Prostatic acid phosphatase measurement has been replaced by:
PSA
The clinically analyzed enzyme in the urine is:
Amylase
In the Szasz method for gamma glutamyl transferase (GGT), the typical receptor molecule is:
Glycylglycine
A reaction rate assay measures enzyme ______, an endpoint assay measures enzyme_____
activity, activity
A reaction in which NAD+ or NADP+ is formed from reagent NADH or NADPH is _____and may be measured by a(an)_____ in absorbance at 340 nm.
Oxidation: Decrease
During 3 glucose tests an hour apart on a patient, capillary blood is substituted for venous blood for one of the timed samples. What results would you expect for the sample, as compared to results expected for venous blood drawn at the same time?
Capillary blood will yield higher results than venous blood
The major non-glucose-reducing substance present in serum is:
Ascorbic acid
Which method for glucose results in the formation of NADPH for measurement?
Hexokinase
The formation of glucose from compounds like fatty acids, glycerol, and amino acids is called:
Gluconeogenesis
The_____form of glucose is responsible for its reducing properties.
Enol
The reference method for glucose determination is:
Hexohinase
In the Beckman Analyzer for glucose, H202 is consumed in side reactions by:
catalyze and ethanol alcohol
Serum specimen for glucose was allowed to stand unseparated on the clot for 6 hours at room temperature before testing. If the original glucose concentration was 200 mg/dL, what approximate results would be expected after 3 hours?
160 mg/dL
ß-glucose + 02 D-glucono-ö-lactone + H202
Glucose oxidase
The preferred collection tube for preservation of glucose is:
sodium fluoride, gray top
These glucose tolerance test results are indicative of what state? Glucose values as assayed by glucose oxidase method are fasting, 130 mg/dL; 60 minutes, 225 mg/dL; and 120 minutes, 205 mg/dL.
diabetes mellites
Type 1 diabetes mellitus may be described by:
insulin dependency, autoimmune caused by destruction of B cells, ketoacidosis and insnlinopenia
Insulin may be described by

synthesized from pro insulin, by beta cells pancreas combined with insulin receptors, 2 chain polypeptide

What may be associated with the activity of insulin?
Stimulates glycogenesis in the liver
The glucose value of a NORMAL 2-hour post-prandial serum specimen, as compared to the reference range for a fasting serum glucose, should be:
approximate the same as the fasting glucose levels
Laboratory tests are performed on a post-menopausal, 57-year-old woman as part of an annual physical examination. The patient's 2-hour post-prandial glucose is 220 mg/dL and serum insulin is 15 pU/ml (normal = 6-26). Based on this information, the patient would be classified as:
Non- insulin- dependent diabetes mellitus
What inhibits glycolysis and glucose uptake by muscle cells and causes a rise in blood glucose concentration?
growth hormone
A diabetic patient is prescribed a daily regimen of insulin. Which of the following laboratory procedures would be of most value in determining the degree of glucose control over a 2-month period?
HgbA1C aka glycosylated hemoglobin
Glycation of glomerular basement membranes and capillaries is the main nephropathic effect from:
Diabetes mellitus
Which method for lipoprotein electrophoresis depends on charge and molecular size?
Polyacrylamide gel
What is trues concerning chylomicrons?
Largest in size, least dense of lipoprotein particles, milky appearance of postprandial plasma, by intestines idkkkk
The lipoprotein that contains the greatest amount of protein is called:
HDL(highdensity Lipoprotein)
What is the ideal specimen for triglyceride analysis?
Plasma
Do Pre-beta (VLDL) lipoproteins migrate further toward the anode on polyacrylamide gel than they do on cellulose acetate or agarose?
False