Question 1

A photomultiplier tube functions to:

Accepted Answer

A)  Reduce the electronic signal produced as photons cascade from dynode to dynode. 
B)  Increase the electronic signal produced as photons cascade from dynode to dynode. 
C)  Decrease the number of transmitted photons from the cuvette. 
D)  Reduce in a logarithmic fashion the electronic signal created at the cathode. 
A)  Reduce the electronic signal produced as photons cascade from dynode to dynode. 
B)  Increase the electronic signal produced as photons cascade from dynode to dynode. 
C)  Decrease the number of transmitted photons from the cuvette. 
D)  Reduce in a logarithmic fashion the electronic signal created at the cathode.

Question 2

Throughput is defined as:

Accepted Answer

A)  Numbers of tests performed per hour. 
B)  Number of stat tests performed per hour. 
C)  Number of specimen processed per 24 hours. 
D)  Number of sample aspirations performed in 60 seconds. 
A)  Numbers of tests performed per hour. 
B)  Number of stat tests performed per hour. 
C)  Number of specimen processed per 24 hours. 
D)  Number of sample aspirations performed in 60 seconds.

Question 3

Which of the following electrical devices senses the freezing point of a solution in an osmometer?

Accepted Answer

A)  A pH electrode 
B)  A pressure transducer 
C)  A conductivity electrode 
D)  A thermistor 
A)  A pH electrode 
B)  A pressure transducer 
C)  A conductivity electrode 
D)  A thermistor

Question 4

Which of the following devices is suitable to detect clots in serum specimens?

Accepted Answer

A)  Aggregometer 
B)  Refractometer 
C)  Luminometer 
D)  Pressure transducer 
A)  Aggregometer 
B)  Refractometer 
C)  Luminometer 
D)  Pressure transducer

Question 5

Turbidimetry is the measurement of the reduction in light transmission caused by:

Accepted Answer

A)  Particle formation. 
B)  Chelation of metals. 
C)  Slowing of the spin rotation of electrons. 
D)  Increase in excitation photon energy. 
A)  Particle formation. 
B)  Chelation of metals. 
C)  Slowing of the spin rotation of electrons. 
D)  Increase in excitation photon energy.

Question 6

Automating laboratory testing has resulted in which of the following?

Accepted Answer

A)  Inconsistent sample processing errors 
B)  A reduction in the number of laboratory errors 
C)  Increased turnaround time 
D)  Increased repetitive injuries 
A)  Inconsistent sample processing errors 
B)  A reduction in the number of laboratory errors 
C)  Increased turnaround time 
D)  Increased repetitive injuries

Question 7

Amplitude of the electromagnetic sine wave is defined as:

Accepted Answer

A)  The length of the electronic vector at one-half peak width. 
B)  The width of the electronic vector at maximum peak height. 
C)  The length of the electronic vector at maximum peak height. 
D)  The area under the sine wave. 
A)  The length of the electronic vector at one-half peak width. 
B)  The width of the electronic vector at maximum peak height. 
C)  The length of the electronic vector at maximum peak height. 
D)  The area under the sine wave.

Question 8

Increase test throughput, reduce turnaround time, and compensate for staff shortages are all examples of which of the following?

Accepted Answer

A)  Factors that lead to more errors 
B)  Factors that drive manual procedures 
C)  Management options used to reduce the number of technologist in the laboratory 
D)  Factors that drive automation 
A)  Factors that lead to more errors 
B)  Factors that drive manual procedures 
C)  Management options used to reduce the number of technologist in the laboratory 
D)  Factors that drive automation

Question 9

What is the concentration of serum uric acid in a solution whose absorbance is 0.098, cuvet pathlength, 1.0 centimeters, absorptivity is 0.102 L g-1cm-1?

Accepted Answer

A)  0.96 mg/L 
B)  0.009 g/L 
C)  0.48 g/L 
D)  1.96 g/L 
A)  0.96 mg/L 
B)  0.009 g/L 
C)  0.48 g/L 
D)  1.96 g/L

Question 10

A test menu is:

Accepted Answer

A)  A listing of all the reagents on-board the analyzer. 
B)  A listing of preventative maintenance tasks that needs to be performed. 
C)  A listing of all of the tests or analytes that the instrument is capable of measuring. 
D)  A listing of consumables used by the analyzer. 
A)  A listing of all the reagents on-board the analyzer. 
B)  A listing of preventative maintenance tasks that needs to be performed. 
C)  A listing of all of the tests or analytes that the instrument is capable of measuring. 
D)  A listing of consumables used by the analyzer.

Question 11

Which of the following is an example of software that allows a laboratory to connect their existing LIS and instrumentation to facilitate sharing information and performs tasks not currently done with laboratories' existing hardware and software?

Accepted Answer

A)  Middleware 
B)  LIS-HIS interface 
C)  RS232 software 
D)  Computer operating system 
A)  Middleware 
B)  LIS-HIS interface 
C)  RS232 software 
D)  Computer operating system

Question 12

The wavelength in nanometers at peak transmittance is termed:

Accepted Answer

A)  Spectral bandwidth. 
B)  Stray light. 
C)  Nominal wavelength. 
D)  Electromagnetic spectrum. 
A)  Spectral bandwidth. 
B)  Stray light. 
C)  Nominal wavelength. 
D)  Electromagnetic spectrum.

Question 13

The presence of particulates in a urine sample measured by a refractometer will result in which of the following?

Accepted Answer

A)  An increase in reflectance of the solution 
B)  A change in the critical angle of the light as it passes through the solution 
C)  An increase in energy of the solute particles that results in a release of light energy 
D)  A change in Rayleigh scatter patterns 
A)  An increase in reflectance of the solution 
B)  A change in the critical angle of the light as it passes through the solution 
C)  An increase in energy of the solute particles that results in a release of light energy 
D)  A change in Rayleigh scatter patterns

A photomultiplier tube functions to:

Throughput is defined as:

Which of the following electrical devices senses the freezing point of a solution in an osmometer?

Which of the following devices is suitable to detect clots in serum specimens?

Turbidimetry is the measurement of the reduction in light transmission caused by:

Automating laboratory testing has resulted in which of the following?

Amplitude of the electromagnetic sine wave is defined as:

Increase test throughput, reduce turnaround time, and compensate for staff shortages are all examples of which of the following?

What is the concentration of serum uric acid in a solution whose absorbance is 0.098, cuvet pathlength, 1.0 centimeters, absorptivity is 0.102 L g^-1cm^-1?

A test menu is:

Which of the following is an example of software that allows a laboratory to connect their existing LIS and instrumentation to facilitate sharing information and performs tasks not currently done with laboratories' existing hardware and software?

The wavelength in nanometers at peak transmittance is termed:

The presence of particulates in a urine sample measured by a refractometer will result in which of the following?

Laboratory Basics

Safety in the Clinical Chemistry Laboratory

Laboratory Statistics, Method Development and QC

Immunoassays

Molecular Diagnostics

Carbohydrates

Lipids

Proteins

Enzymes

Nonprotein Nitrogen Questions

Body Water and Electrolyte Homeostasis

Blood Gases, PH, and Acid-Base Balance

Mineral and Bone Metabolism

The Endocrine System

Gastrointestinal Function

Pancreas

Cardiac Function

Liver

Iron, Porphyrins, and Hemoglobin

Therapeutic Drug Monitoring

Toxic Substances

Nutrition and Vitamins

Tumor Markers

Geriatrics

Pediatrics

Filters

Exam 4: Instrumentation, Laboratory Automation, and Informatics

A photomultiplier tube functions to:

Throughput is defined as:

Which of the following electrical devices senses the freezing point of a solution in an osmometer?

Which of the following devices is suitable to detect clots in serum specimens?

Turbidimetry is the measurement of the reduction in light transmission caused by:

Automating laboratory testing has resulted in which of the following?

Amplitude of the electromagnetic sine wave is defined as:

Increase test throughput, reduce turnaround time, and compensate for staff shortages are all examples of which of the following?

What is the concentration of serum uric acid in a solution whose absorbance is 0.098, cuvet pathlength, 1.0 centimeters, absorptivity is 0.102 L g-1cm-1?

A test menu is:

Which of the following is an example of software that allows a laboratory to connect their existing LIS and instrumentation to facilitate sharing information and performs tasks not currently done with laboratories' existing hardware and software?

The wavelength in nanometers at peak transmittance is termed:

The presence of particulates in a urine sample measured by a refractometer will result in which of the following?

Laboratory Basics

Safety in the Clinical Chemistry Laboratory

Laboratory Statistics, Method Development and QC

Immunoassays

Molecular Diagnostics

Carbohydrates

Lipids

Proteins

Enzymes

Nonprotein Nitrogen Questions

Body Water and Electrolyte Homeostasis

Blood Gases, PH, and Acid-Base Balance

Mineral and Bone Metabolism

The Endocrine System

Gastrointestinal Function

Pancreas

Cardiac Function

Liver

Iron, Porphyrins, and Hemoglobin

Therapeutic Drug Monitoring

Toxic Substances

Nutrition and Vitamins

Tumor Markers

Geriatrics

Pediatrics

Filters

What is the concentration of serum uric acid in a solution whose absorbance is 0.098, cuvet pathlength, 1.0 centimeters, absorptivity is 0.102 L g^-1cm^-1?