Exam (elaborations)
CSMLS PRACTICE TEST FROM PRACTICE QUESTIONS WITH ALL ANSWERS PROVIDED
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CSMLS PRACTICE TEST FROM PRACTICE QUESTIONS WITH ALL ANSWERS PROVIDED
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CSMLS PRACTICE TEST FROMPRACTICE QUESTIONS WITH ALL
ANSWERS PROVIDED
Which is the detector of choice for nephelometers?
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Select one: bb
a. diode array
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b. photomultiplier tube
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c. gas photodiode
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d. LED - correct answer-b
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Which statement regarding turbidimetry is NOT correct?
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Select one: bb
a. light scattered by solutes in the solution at 180° from the incident light is
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measured by a photon detector
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b. the measurement of light is made at right angles to the incident light
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c. scattered light is directly proportional to the number of particles in solution
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d. measures the amount of incident light blocked by particles - correct answer-
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b
What is the effect on the colligative properties when you increase the number
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of particles in the solution?
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Select one: bb
a. Increases the boiling point, increases the freezing point
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b. Increases the boiling point, increases the vapor pressure
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c. Decreases the boiling point, increases the freezing point,
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d. Decreases the freezing point, decreases the vapor pressure - correct
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answer-d
bb
- increase boiling point
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- decrease freezing point
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- decrease vapor pressure
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,- increase osmotic pressure
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What is the definition of retention factor (Rf) in thin layer chromatography?
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Select one: bb
a. Ratio of distance moved by the unknown solute to distance moved by the
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solvent in the mobile phase
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b. Rate of movement of the mobile phase through adsorbant compared with
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standards and controls
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c. Measurement in centimeters of the distance the solute moved in the mobile
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phase from the point of application
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d. Distance moved by the mobile phase front from the point of application
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compared with a control - correct answer-a
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What is quenching? bb bb
Select one: bb
a. a type of resonant fluorescence
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b. an analytical procedure for determining fluorescent compounds.
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c. the loss of fluorescent intensity which produces falsely decreased patient
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results.
bb
d. the loss of fluorescent intensity which produces falsely increased patient
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results. - correct answer-c
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What will cause false values when using nephelometric analysis?
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Select one: bb
a. absorption by a closely related atomic species
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b. excess analyte in the antigen/antibody reaction
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c. hemolyzed sample
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d. too much fluorophore in the analyte/fluorescing compound mixture - correct
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answer-b
bb
What measurement describes a current flow between two non-polarized
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electrodes with a known electrical potential?
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Select one: bb
a. amperometry
bb
b. conductometry
bb
c. coulometry
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d. potentiometry - correct answer-b
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What does aldosterone secretion lead to?
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Select one: bb
a. hypotension
bb
b. increased ECF (extracellular fluid) volume
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c. increased serum potassium
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d. none of the above - correct answer-b
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Which of these factors DO NOT influence the rate of an enzyme reaction?
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Select one: bb
a. enzyme concentration
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b. substrate concentration
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c. cofactors
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,d. nomenclature - correct answer-d
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Which statement regarding serum urea is correct?
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Select one: bb
a. is elevated in prerenal and renal failure
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b. it is not reabsorbed by the renal tubules
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c. high levels can result from necrotic liver disease
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d. levels are independent of diet - correct answer-a
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Which of the following dyes is the most specific for the measurement of
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albumin?
bb
Select one: bb
a. tetrabromosulfophthalein
bb
b. bromcresol green
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c. bromcresol purple
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d. tetrabromphenol blue - correct answer-c
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Which of the following lipid results would be expected to be falsely elevated on
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a serum specimen from a non-fasting patient?
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Select one: bb
a. Cholesterol
bb
b. HDL
bb
c. LDL
bb
d. Triglyceride - correct answer-d
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What is the major consequence of acetaminophen poisoning?
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Select one: bb
a. Seizures
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b. Hyperventilation
bb
c. Hepatocystic necrosis
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d. Renal failure - correct answer-c
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What is the most common method to measure hormone levels in the blood?
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Select one: bb
a. electrophoresis
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b. immunoassays
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c. photometry
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d. gas chromatography - correct answer-b
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Question text bb
You are examining a protein electrophoresis pattern and notice an unusual band
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at the starting point of the electropherogram that is not present in the normal
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control. If the patient was healthy, what is the most likely cause of the unusual
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banding pattern?
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Select one: bb
a. a plasma sample was probably applied instead of serum
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b. the buffer used was the wrong pH
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c. an inappropriate support medium was used
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d. the patient likely has a genetic abnormality - correct answer-d
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, How would hemolysis affect the banding pattern of serum protein
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electrophoresis?
bb
Select one: bb
a. Increased α1 globulin band
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b. Increased β globulin band
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c. Increased γ globulin band
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d. No effect - correct answer-b
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How far from the hazard should an emergency eyewash be located?
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Select one: bb
a. Within 10 feet
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b. Within 10 seconds walking distance
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c. Within 30 feet
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d. Within 30 seconds walking distance - correct answer-b
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A Medical Laboratory Technologist from the RAH Laboratory is part of a team
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traveling to the North Thunder Bay Laboratory to assess if that laboratory is
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adhering to the set standards for laboratory services. This MLT is taking part in
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which one of the following processes?
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Select one: bb
a. Risk Management
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b. Quality Improvement
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c. Empowerment
bb
d. Accreditation - correct answer-d
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Random errors are frequently caused by:
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Select one: bb
a. attention to the timing of a reaction
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b. changing over to a new lot of reagent
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c. inaccurate specimen identification
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d. storing specimens at the correct temperature - correct answer-c
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Westgard rules: bb
Select one: bb
a. Require a large amount of time to maintain
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b. Are a good visual representation of precision
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c. Distinguish between random and systematic error
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d. Predict errors - correct answer-c
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The Medical Laboratory Technologists working in Microbiology have been given
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the assignment of designing a quick reference guide for their laboratory to
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distribute to other departments in the hospital. Which one of the following
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terms, best describes this assignment?
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Select one: bb
a. Management
bb
b. Empowerment
bb
c. Quality Control
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d. Accreditation - correct answer-b (authority or power given to someone to do
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something)
bb
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