Penn Foster Clinical Pathology 1 lesson
1 Questions and Answers 2024/2025
1ng= ____ - ANSWER-0.001 microgram
A 10-year old SF dog presents with urinary incontinence. The veterinarian would like to
get preliminary urine results as quickly as possible. Which reading can be obtained
quickly using the refractometer? - ANSWER-Specific gravity
A busy veterinary hospital is planning to purchase a microscope for its laboratory. The
staff would like to be able to take images from the microscope and put them directly into
a patient's chart. What is the best choice of microscope to purchase? - ANSWER-Digital
microscope with computer software
A commonly obtained result in veterinary laboratories is the pH of a sample. What is the
best definition of pH? - ANSWER-A negative logarithm of the hydrogen ion
A digital microscope can help capture images for viewing on a larger screen. Which of
the following capabilities refers to the degree of detail in the images and the clarity of
the images? - ANSWER-Resolution
A hospital would like to purchase a water bath for its laboratory, but it wants one that
doesn't require racks and takes little maintenance. Which type of water bath would be
the best option? - ANSWER-waterlesss bead
A laboratory incubator must be capable of maintaining a constant temperature. What is
the optimal temperature for growing most pathogens - ANSWER-43 degrees C
A laboratory test requires a sample to be at room temperature, or 73 degrees F. What is
the equivalent temperature in degrees C? - ANSWER-23 degrees C
A sample has been diluted using a 1:10 dilution. What must be done to the result to give
the correct value for an undiluted sample? - ANSWER-Multiply the result by 10
A sample was sent to a reference laboratory; however, vital information was missing
from the requisition form, causing delays in processing the sample. Which type of
variable is this? - ANSWER-Nonbiologic
A small animal hospital is planning to open soon. The veterinarian must decide what
equipment is necessary to operate a minimally equipped laboratory. Which item should
be included in this laboratory? - ANSWER-refractometer
, A specimen needs to be incubated at 37 degrees C, but the only thermometer available
reads in degrees F. What would be the temperature need to be in degrees F? -
ANSWER-98.6 degrees F
A technician is asked to record the amount of a substance used in a solution. The
amount of substance added was 0.001 milliliter. What would be the best way to record
this amount? - ANSWER-1 microliter
A technician needs to prepare a 1:10 dilution of a patient sample. What would be the
correct dilution? - ANSWER-10 microliters of sample to 90 microliters of distilled water
A technician needs to take a 40-mg/dL sample and dilute it 1:10. What would be the
concentration of the dilution? - ANSWER-4 mg/dl
A technician needs to take a 60-mg/dL sample and dilute it 1:5. What would be the
concentration of the dilution? - ANSWER-12 mg/dl
A test result comes back with a value of 3.456 x 10^4. This value needs to be converted
into a number. What would be the correct value? - ANSWER-34,560
A test result comes back with a value of 45.6 x 10^-2. This value needs to be converted
into a number. What would be the correct value? - ANSWER-0.456
A urinary cast is being viewed through a microscope. It's difficult to visualize the object
due to the bright light from the scope's light source. What could be adjusted to visualize
this object fully. - ANSWER-Phase contrast
A urine specimen comes back with a pH of 6. Which H+ concentration would this
sample have? - ANSWER-10^-6
A veterinary technician had been assigned to perform regular maintenance on the
refractometer in the laboratory. Which maintenance tasks should he or she perform? -
ANSWER-Clean after each use and calibrate weekly.
A veterinary technician is given the responsibility to ship laboratory samples to an
outside laboratory for analysis. Which specimen would be considered a Category B
infectious material? - ANSWER-Blood specimen for feline heartworm test
An error occurred in laboratory results and was traced back to the lack of maintenance
on a laboratory instrument. What type of variable error is this? - ANSWER-Analytic
An error occurred in laboratory results and was traced back to the sample to be
hemolyzed. What type of variable error is this? - ANSWER-preanalytic
An improperly maintained analyzer can introduce a(n) __________ error into a test
result. - ANSWER-analytic
1 Questions and Answers 2024/2025
1ng= ____ - ANSWER-0.001 microgram
A 10-year old SF dog presents with urinary incontinence. The veterinarian would like to
get preliminary urine results as quickly as possible. Which reading can be obtained
quickly using the refractometer? - ANSWER-Specific gravity
A busy veterinary hospital is planning to purchase a microscope for its laboratory. The
staff would like to be able to take images from the microscope and put them directly into
a patient's chart. What is the best choice of microscope to purchase? - ANSWER-Digital
microscope with computer software
A commonly obtained result in veterinary laboratories is the pH of a sample. What is the
best definition of pH? - ANSWER-A negative logarithm of the hydrogen ion
A digital microscope can help capture images for viewing on a larger screen. Which of
the following capabilities refers to the degree of detail in the images and the clarity of
the images? - ANSWER-Resolution
A hospital would like to purchase a water bath for its laboratory, but it wants one that
doesn't require racks and takes little maintenance. Which type of water bath would be
the best option? - ANSWER-waterlesss bead
A laboratory incubator must be capable of maintaining a constant temperature. What is
the optimal temperature for growing most pathogens - ANSWER-43 degrees C
A laboratory test requires a sample to be at room temperature, or 73 degrees F. What is
the equivalent temperature in degrees C? - ANSWER-23 degrees C
A sample has been diluted using a 1:10 dilution. What must be done to the result to give
the correct value for an undiluted sample? - ANSWER-Multiply the result by 10
A sample was sent to a reference laboratory; however, vital information was missing
from the requisition form, causing delays in processing the sample. Which type of
variable is this? - ANSWER-Nonbiologic
A small animal hospital is planning to open soon. The veterinarian must decide what
equipment is necessary to operate a minimally equipped laboratory. Which item should
be included in this laboratory? - ANSWER-refractometer
, A specimen needs to be incubated at 37 degrees C, but the only thermometer available
reads in degrees F. What would be the temperature need to be in degrees F? -
ANSWER-98.6 degrees F
A technician is asked to record the amount of a substance used in a solution. The
amount of substance added was 0.001 milliliter. What would be the best way to record
this amount? - ANSWER-1 microliter
A technician needs to prepare a 1:10 dilution of a patient sample. What would be the
correct dilution? - ANSWER-10 microliters of sample to 90 microliters of distilled water
A technician needs to take a 40-mg/dL sample and dilute it 1:10. What would be the
concentration of the dilution? - ANSWER-4 mg/dl
A technician needs to take a 60-mg/dL sample and dilute it 1:5. What would be the
concentration of the dilution? - ANSWER-12 mg/dl
A test result comes back with a value of 3.456 x 10^4. This value needs to be converted
into a number. What would be the correct value? - ANSWER-34,560
A test result comes back with a value of 45.6 x 10^-2. This value needs to be converted
into a number. What would be the correct value? - ANSWER-0.456
A urinary cast is being viewed through a microscope. It's difficult to visualize the object
due to the bright light from the scope's light source. What could be adjusted to visualize
this object fully. - ANSWER-Phase contrast
A urine specimen comes back with a pH of 6. Which H+ concentration would this
sample have? - ANSWER-10^-6
A veterinary technician had been assigned to perform regular maintenance on the
refractometer in the laboratory. Which maintenance tasks should he or she perform? -
ANSWER-Clean after each use and calibrate weekly.
A veterinary technician is given the responsibility to ship laboratory samples to an
outside laboratory for analysis. Which specimen would be considered a Category B
infectious material? - ANSWER-Blood specimen for feline heartworm test
An error occurred in laboratory results and was traced back to the lack of maintenance
on a laboratory instrument. What type of variable error is this? - ANSWER-Analytic
An error occurred in laboratory results and was traced back to the sample to be
hemolyzed. What type of variable error is this? - ANSWER-preanalytic
An improperly maintained analyzer can introduce a(n) __________ error into a test
result. - ANSWER-analytic
