MMSC 407 CLINICAL CHEMISTRY FINAL EXAM WITH CORRECT
50 ACTUAL QUESTIONS AND CORRECTLY WELL DEFINED
ANSWERS LATEST ALREADY GRADED A+ 2025 – 2026
The ________________ is helpful in distinguishing between exogenous and endogenous insulin.
A) Urinary albumin
B) The C-peptide
C) HbA1C
D) Urea
E) microalbumin
B) The C-peptide
The glucose oxidase method is specific for _________________.
A) α-D-glucose
B) β-D-glucose
C) α-L-glucose
D) β-D-galactose
E) lactose
B) β-D-glucose
The reason why hemoglobinopathies falsely decrease the readings of HbA1c
is________________.
A) They interfere like Ascorbic Acid
B) They interfere like Salicylates
C) They reduce the lifespan of RBCs.
D) They act like uric acid.
C) They reduce the lifespan of RBCs.
Gluconeogenesis requires _______ molecules of ATP to generate glucose.
A) 2
B) 4
C) 6
D) 38
C) 6
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An example of a monosaccharide would be:
A) Fructose
B) Maltose
C) Sucrose
D0 amylopectin
A) Fructose
(T or F) Turbidometry is more sensitive than nephelometry.
False
Following the Gaussian distribution curve, what percentage of results should be covered
(accurate) in +/- 2 S.D.?
A) 68.2%
B) 95.5%
C) 99.7%
B) 95.5%
When a laboratory receives a mandatory outside sample that must be run the same as a patient
sample and reported accutately, this is called ________________.
A) Quality Control
B) Westgard Rule 12s
C) Quality Assurance
D) Proficiency Testing
E) + 2 S.D.
D) Proficiency Testing
The subunits that make up sucrose are _______________ and _______________.
A) Glucose, glucose
B) glucose, galactose
C) glucose, fructose
D) glucose, mannitol
C) glucose, fructose
If you need to read your reaction in a spectrophotometer at 340nm, which would be the best
choice of cuvette?
A) Plastic
B) Glass
C) quartz
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C) quartz
(T of F) A = 2- log %T is the equation for Beer's Law
True
Conversion of glucose into pyruvate is referred to as __________.
A) Glycogenesis.
B) Glycogenolysis.
C) Glyconeogenesis.
D) glycolysis
D) glycolysis
(T or F) A = abc is the equation for Beers' law.
True
Glycogen storage disease (also called Von Gierke Disease) is a disease of the _____________.
A) Liver
B) Kidney
C) Pancreas
D) Thyroid
E) Adrenal cortex
A) Liver
How many molecules of ATP must be expended in the investment phase of glycolysis before ATP
and/or NADH can be produced?
A) 1
B) 2
C) 4
D) 6
E) 38
B) 2
As a rule, enzymes adding phosphate groups to molecules are called ___________.
A) Dehydrogenases
B) Phosphatases
C) Kinases
D) Enolases
E) Mutaroses
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C) Kinases
The β (Beta) cells in the pancreas produce __________________.
A) Thyroxin
B) ACTH (Adrenocorticotropic Hormone)
C) Somatostatin
D) Glucagon
E) Insulin
E) Insulin
The glucose renal threshold is approximately ______________.
A) 44 mg/dL
B) 110 mg/dL
C) 126 mg/dL
D) 170 mg/dL
E) 225 mg/dL
D) 170 mg/dL
The major storage carbohydrate in plants is _____, which is located most abundantly in _____.
A) cellulose; vegetable fibers
B) glycoprotein; cell membranes
C) glycogen; the liver
D) starch; vegetable fibers
E) amylopectin; skeletal muscle
D) starch; vegetable fibers
All of these organs are involved in the regulation of glucose EXCEPT _______________.
A) Liver
B) Pancreas
C) anterior pituitary gland
D) thyroid gland
E) kidneys
E) kidneys
When discussing the Westgard rules, which is a warning and allows you to accept the run?
A) 1 2s
B) 1 3s
C) R 4s