MMSC 407 CLINICAL CHEMISTRY FINAL EXAM
MMSC 407 CLINICAL CHEMISTRY FINAL EXAM FEATURING ACCURATE AND
VERIFIED QUESTIONS COVERING BIOCHEMICAL ANALYTES, INSTRUMENTATION,
QUALITY CONTROL, CLINICAL CORRELATIONS, ENDOCRINE FUNCTION, AND
INTERPRETATION OF LABORATORY RESULTS
In the glucose oxidase method, ________ is produced and can be measured by ________.
A) H2O2; Polarographic O2 Electrode
B) Oxygen; O2 Electrode
C) Glucose 6 phosphate; spectrophotometry
D) NADPH; color change
H2O2; Polarographic O2 Electrode
Glucose can store in our _______ as glycogen. This pathway is called _______.
A) Kidneys; Glycogenolysis
B) Liver; Glycogenesis
C) Brains; Glycolysis
D) Pancreas; Gluconeogenesis
B) Liver; Glycogenesis
What property of sucrose excludes it as being in the category of a 'reducing sugar'?
A) It is a disaccharide
B) It absorbs in the mouth and small intestines
C) It cannot be further reduced
D) It does not have a free ketone or aldehyde group.
D) It does not have a free ketone or aldehyde group.
Glycogen is made of ______ units and is hydrolyzed by _______.
A) Lactose; lactase
B) Sucrose; sucrase
C) Glucose; amylase
D) Galactose; galactase
C) Glucose; amylase
While running your analyzer, you get an extremely high result that indicates you must dilute and
rerun the sample. Why are you diluting and re-running it?
A) The sample is outside of the clinically reportable range.
B) The sample is outside of the therapeutic range.
, MMSC 407 CLINICAL CHEMISTRY FINAL EXAM
C) The sample is outside the critical value range.
D) The sample is outside the analytical range.
D) The sample is outside the analytical range.
What statistical parameter do we consider the 'acceptable range' for quality control material?
A) Mean
B) ± 1 SD
C) ± 2 SD
D) Variance
C) ± 2 SD
If a single quality control result falls outside of 2 standard deviations, we refer to that as:
A) Precision
B) Accuracy
C) Systematic error
D) Random error
D) Random error
You are using your spectrophotometer for patient analysis and realize that ALL of your patient
values are reading very high. What might be the MOST LIKELY cause of this?
A) The instrument calibration is not correct.
B) The new cuvettes are badly scratched.
C) The analytical range is too small.
D) The light bulb has burnt out.
A) The instrument calibration is not correct.
The monochromator in your spectrophotometer has a band pass of 10 nm. If you set the dial to
500 nm, what is the range that will be read?
A) 490 to 510 nm
B) 495 to 510 nm
C) 495 to 505 nm
C) 495 to 505 nm
As absorbance increases, how does the %T change?
A) It will decrease logarithmically.
B) It will increase logarithmically.
C) It will decrease linearity.
D) It will increase linearity.
, MMSC 407 CLINICAL CHEMISTRY FINAL EXAM
A) It will decrease logarithmically.
As the wavelength decreases (becomes shorter), what happens to the frequency of the wave?
A) Nothing. It is not dependent on the wavelength.
B) It will decrease.
C) It will increase.
C) It will increase.
Match the description to the pathway: Glycolysis
A) Conversion of glucose to glycogen
B) Metabolism of glucose
C) Breakdown of glycogen to glucose
D) Begins with alanine (or other a.a.)
B) Metabolism of glucose
Match the description to the pathway: Gluconeogenesis
A) Conversion of glucose to glycogen
B) Metabolism of glucose
C) Breakdown of glycogen to glucose
D) Begins with alanine (or other a.a.)
D) Begins with alanine (or other a.a.)
Match the description to the pathway: Glycogenesis
A) Conversion of glucose to glycogen
B) Metabolism of glucose
C) Breakdown of glycogen to glucose
D) Begins with alanine (or other a.a.)
A) Conversion of glucose to glycogen
Match the description to the pathway: Glycogenolysis
A) Conversion of glucose to glycogen
MMSC 407 CLINICAL CHEMISTRY FINAL EXAM FEATURING ACCURATE AND
VERIFIED QUESTIONS COVERING BIOCHEMICAL ANALYTES, INSTRUMENTATION,
QUALITY CONTROL, CLINICAL CORRELATIONS, ENDOCRINE FUNCTION, AND
INTERPRETATION OF LABORATORY RESULTS
In the glucose oxidase method, ________ is produced and can be measured by ________.
A) H2O2; Polarographic O2 Electrode
B) Oxygen; O2 Electrode
C) Glucose 6 phosphate; spectrophotometry
D) NADPH; color change
H2O2; Polarographic O2 Electrode
Glucose can store in our _______ as glycogen. This pathway is called _______.
A) Kidneys; Glycogenolysis
B) Liver; Glycogenesis
C) Brains; Glycolysis
D) Pancreas; Gluconeogenesis
B) Liver; Glycogenesis
What property of sucrose excludes it as being in the category of a 'reducing sugar'?
A) It is a disaccharide
B) It absorbs in the mouth and small intestines
C) It cannot be further reduced
D) It does not have a free ketone or aldehyde group.
D) It does not have a free ketone or aldehyde group.
Glycogen is made of ______ units and is hydrolyzed by _______.
A) Lactose; lactase
B) Sucrose; sucrase
C) Glucose; amylase
D) Galactose; galactase
C) Glucose; amylase
While running your analyzer, you get an extremely high result that indicates you must dilute and
rerun the sample. Why are you diluting and re-running it?
A) The sample is outside of the clinically reportable range.
B) The sample is outside of the therapeutic range.
, MMSC 407 CLINICAL CHEMISTRY FINAL EXAM
C) The sample is outside the critical value range.
D) The sample is outside the analytical range.
D) The sample is outside the analytical range.
What statistical parameter do we consider the 'acceptable range' for quality control material?
A) Mean
B) ± 1 SD
C) ± 2 SD
D) Variance
C) ± 2 SD
If a single quality control result falls outside of 2 standard deviations, we refer to that as:
A) Precision
B) Accuracy
C) Systematic error
D) Random error
D) Random error
You are using your spectrophotometer for patient analysis and realize that ALL of your patient
values are reading very high. What might be the MOST LIKELY cause of this?
A) The instrument calibration is not correct.
B) The new cuvettes are badly scratched.
C) The analytical range is too small.
D) The light bulb has burnt out.
A) The instrument calibration is not correct.
The monochromator in your spectrophotometer has a band pass of 10 nm. If you set the dial to
500 nm, what is the range that will be read?
A) 490 to 510 nm
B) 495 to 510 nm
C) 495 to 505 nm
C) 495 to 505 nm
As absorbance increases, how does the %T change?
A) It will decrease logarithmically.
B) It will increase logarithmically.
C) It will decrease linearity.
D) It will increase linearity.
, MMSC 407 CLINICAL CHEMISTRY FINAL EXAM
A) It will decrease logarithmically.
As the wavelength decreases (becomes shorter), what happens to the frequency of the wave?
A) Nothing. It is not dependent on the wavelength.
B) It will decrease.
C) It will increase.
C) It will increase.
Match the description to the pathway: Glycolysis
A) Conversion of glucose to glycogen
B) Metabolism of glucose
C) Breakdown of glycogen to glucose
D) Begins with alanine (or other a.a.)
B) Metabolism of glucose
Match the description to the pathway: Gluconeogenesis
A) Conversion of glucose to glycogen
B) Metabolism of glucose
C) Breakdown of glycogen to glucose
D) Begins with alanine (or other a.a.)
D) Begins with alanine (or other a.a.)
Match the description to the pathway: Glycogenesis
A) Conversion of glucose to glycogen
B) Metabolism of glucose
C) Breakdown of glycogen to glucose
D) Begins with alanine (or other a.a.)
A) Conversion of glucose to glycogen
Match the description to the pathway: Glycogenolysis
A) Conversion of glucose to glycogen
