CSMLS Practice
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Which is the detector of choice for nephelometers?
Select one:
a. diode array
b
b. photomultiplier tube
c. gas photodiode
d. LED
Which statement regarding turbidimetry is NOT correct?
Select one:
a. light scattered by solutes in the solution at 180° from
the incident light is measured by a photon detector
b. the measurement of light is made at right angles to the
b
incident light
c. scattered light is directly proportional to the number of
particles in solution
d. measures the amount of incident light blocked by par-
ticles
What is the effect on the colligative properties when you
increase the number of particles in the solution?
Select one:
a. Increases the boiling point, increases the freezing d
point - increase boiling point
b. Increases the boiling point, increases the vapor pres- - decrease freezing point
sure - decrease vapor pressure
c. Decreases the boiling point, increases the freezing - increase osmotic pressure
point,
d. Decreases the freezing point, decreases the vapor pres-
sure
What is the definition of retention factor (Rf) in thin layer
chromatography?
Select one:
, CSMLS Practice
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a. Ratio of distance moved by the unknown solute to
distance moved by the solvent in the mobile phase
b. Rate of movement of the mobile phase through adsor-
bant compared with standards and controls
a
c. Measurement in centimeters of the distance the solute
moved in the mobile phase from the point of application
d. Distance moved by the mobile phase front from the
point of application compared with a control
What is quenching?
Select one:
a. a type of resonant fluorescence
b. an analytical procedure for determining fluorescent
compounds. c
c. the loss of fluorescent intensity which produces falsely
decreased patient results.
d. the loss of fluorescent intensity which produces falsely
increased patient results.
What will cause false values when using nephelometric
analysis?
Select one:
a. absorption by a closely related atomic species
b
b. excess analyte in the antigen/antibody reaction
c. hemolyzed sample
d. too much fluorophore in the analyte/fluorescing com-
pound mixture
What measurement describes a current flow between two
non-polarized electrodes with a known electrical poten-
tial?
b
Select one:
a. amperometry
b. conductometry
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c. coulometry
d. potentiometry
What does aldosterone secretion lead to?
Select one:
a. hypotension
b
b. increased ECF (extracellular fluid) volume
c. increased serum potassium
d. none of the above
Which of these factors DO NOT influence the rate of an
enzyme reaction?
Select one:
a. enzyme concentration d
b. substrate concentration
c. cofactors
d. nomenclature
Which statement regarding serum urea is correct?
Select one:
a. is elevated in prerenal and renal failure
a
b. it is not reabsorbed by the renal tubules
c. high levels can result from necrotic liver disease
d. levels are independent of diet
Which of the following dyes is the most specific for the
measurement of albumin?
Select one:
a. tetrabromosulfophthalein c
b. bromcresol green
c. bromcresol purple
d. tetrabromphenol blue
Which of the following lipid results would be expected to
be falsely elevated on a serum specimen from a non-fast-
, CSMLS Practice
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ing patient?
Select one:
a. Cholesterol
d
b. HDL
c. LDL
d. Triglyceride
What is the major consequence of acetaminophen poi-
soning?
Select one:
a. Seizures c
b. Hyperventilation
c. Hepatocystic necrosis
d. Renal failure
What is the most common method to measure hormone
levels in the blood?
Select one:
a. electrophoresis b
b. immunoassays
c. photometry
d. gas chromatography
Question text
You are examining a protein electrophoresis pattern and
notice an unusual band at the starting point of the elec-
tropherogram that is not present in the normal control. If
the patient was healthy, what is the most likely cause of
d
the unusual banding pattern?
Select one:
a. a plasma sample was probably applied instead of
serum
b. the buffer used was the wrong pH
Study online at https://quizlet.com/_8gx1ng
Which is the detector of choice for nephelometers?
Select one:
a. diode array
b
b. photomultiplier tube
c. gas photodiode
d. LED
Which statement regarding turbidimetry is NOT correct?
Select one:
a. light scattered by solutes in the solution at 180° from
the incident light is measured by a photon detector
b. the measurement of light is made at right angles to the
b
incident light
c. scattered light is directly proportional to the number of
particles in solution
d. measures the amount of incident light blocked by par-
ticles
What is the effect on the colligative properties when you
increase the number of particles in the solution?
Select one:
a. Increases the boiling point, increases the freezing d
point - increase boiling point
b. Increases the boiling point, increases the vapor pres- - decrease freezing point
sure - decrease vapor pressure
c. Decreases the boiling point, increases the freezing - increase osmotic pressure
point,
d. Decreases the freezing point, decreases the vapor pres-
sure
What is the definition of retention factor (Rf) in thin layer
chromatography?
Select one:
, CSMLS Practice
Study online at https://quizlet.com/_8gx1ng
a. Ratio of distance moved by the unknown solute to
distance moved by the solvent in the mobile phase
b. Rate of movement of the mobile phase through adsor-
bant compared with standards and controls
a
c. Measurement in centimeters of the distance the solute
moved in the mobile phase from the point of application
d. Distance moved by the mobile phase front from the
point of application compared with a control
What is quenching?
Select one:
a. a type of resonant fluorescence
b. an analytical procedure for determining fluorescent
compounds. c
c. the loss of fluorescent intensity which produces falsely
decreased patient results.
d. the loss of fluorescent intensity which produces falsely
increased patient results.
What will cause false values when using nephelometric
analysis?
Select one:
a. absorption by a closely related atomic species
b
b. excess analyte in the antigen/antibody reaction
c. hemolyzed sample
d. too much fluorophore in the analyte/fluorescing com-
pound mixture
What measurement describes a current flow between two
non-polarized electrodes with a known electrical poten-
tial?
b
Select one:
a. amperometry
b. conductometry
, CSMLS Practice
Study online at https://quizlet.com/_8gx1ng
c. coulometry
d. potentiometry
What does aldosterone secretion lead to?
Select one:
a. hypotension
b
b. increased ECF (extracellular fluid) volume
c. increased serum potassium
d. none of the above
Which of these factors DO NOT influence the rate of an
enzyme reaction?
Select one:
a. enzyme concentration d
b. substrate concentration
c. cofactors
d. nomenclature
Which statement regarding serum urea is correct?
Select one:
a. is elevated in prerenal and renal failure
a
b. it is not reabsorbed by the renal tubules
c. high levels can result from necrotic liver disease
d. levels are independent of diet
Which of the following dyes is the most specific for the
measurement of albumin?
Select one:
a. tetrabromosulfophthalein c
b. bromcresol green
c. bromcresol purple
d. tetrabromphenol blue
Which of the following lipid results would be expected to
be falsely elevated on a serum specimen from a non-fast-
, CSMLS Practice
Study online at https://quizlet.com/_8gx1ng
ing patient?
Select one:
a. Cholesterol
d
b. HDL
c. LDL
d. Triglyceride
What is the major consequence of acetaminophen poi-
soning?
Select one:
a. Seizures c
b. Hyperventilation
c. Hepatocystic necrosis
d. Renal failure
What is the most common method to measure hormone
levels in the blood?
Select one:
a. electrophoresis b
b. immunoassays
c. photometry
d. gas chromatography
Question text
You are examining a protein electrophoresis pattern and
notice an unusual band at the starting point of the elec-
tropherogram that is not present in the normal control. If
the patient was healthy, what is the most likely cause of
d
the unusual banding pattern?
Select one:
a. a plasma sample was probably applied instead of
serum
b. the buffer used was the wrong pH
