WorksheetsAUBF MODULE 1 and 2 POSTQUIZ
Total questions: 60
Worksheet time: 37mins
Which of the following specimens usually eliminates contamination of the urine with entities from the external genitalia and the distal urethra?
First morning specimen
Midstream “clean catch” specimen
Random specimen
4-hour timed collection
Substances that show diurnal variation in their urinary excretion pattern are best evaluated using a
first morning specimen.
midstream “clean catch” specimen.
random specimen.
24 timed collection
Which of the following will not cause erroneous results in a 24-hour timed urine collection?
The collection starts and ends in the evening
Two first morning specimens are included in the collection
Multiple collection containers are not mixed together before specimen testing
A portion of the collection is removed before total volume measurement
A 25-year-old woman complains of painful urination and is suspected of having a urinary tract infection. Which of the following specimens should be collected for a routine urinalysis and urine culture?
First morning specimen
Timed collection
Midstream “clean catch” specimen
Random specimen
A 35-year-old diabetic woman is suspected of developing renal insufficiency. Which of the following specimens should be obtained to determine the amount of creatinine being excreted in the urine?
2-hour postprandial
12-hour timed collection
24-hour timed collection
Midstream “clean catch”
An unpreserved urine specimen collected at midnight is kept at room temperature until the morning hospital shift. Which of the following changes will most likely occur?
Decrease in urine color and clarity
Decrease in pH and specific gravity
Decrease in glucose and ketones
Decrease in bacteria and nitrite
A urine specimen containing the substance indicated
is kept unpreserved at room temperature for 4 hours.
Identify the probable change to that substance.
Bacteria-increased
Bilirubin-increased
Ketones-increase
Protein-increased
Which of the following is the most common method used to preserve urine specimens?
Acid addition
Thymol addition
Freezing
Refrigeration
If refrigeration is used to preserve a urine specimen, which of the following may occur?
Cellular or bacterial glycolysis will be enhanced.
Formed elements will be destroyed
Amorphous crystals may precipitate.
Bacteria will proliferate
Which of the following urine preservatives is acceptable for both urinalysis and urine culture?
Boric acid
Chlorhexidine
Dowicil 200
Formalin
How much urine is usually required for a manually performed routine urinalysis?
5 to 10 mL
10 to 15 mL
20 to 30 mL
50 to 100 mL
Which of the following substances is higher in urine than in any other body fluid?
Chloride
Creatinine
Glucose
Protein
Which of the following information is not found on a material safety data sheet?
Exposure limits
Catalog number
Hazardous ingredients
Flammability of the chemical
Which of the following is not part of a Chemical Hygiene Plan?
To identify and label hazardous chemicals
To educate employees about the chemicals they use (e.g., providing material safety data sheets)
To provide guidelines for the handling and use of each chemical type
To monitor the handling of biological hazards
Which of the following is not an acceptable disposal practice?
Discarding urine into a sink
Disposing of used, empty urine containers with nonhazardous waste
Discarding a used, broken specimen transfer pipette with noninfectious glass waste
Discarding blood specimens into a biohazard container
Which of the following actions represents a good laboratory practice?
Washing or sanitizing hands frequently
Wearing lab coats outside of the laboratory
Removing lab coats from the laboratory for laundering at home in 2% bleach
Wearing the same gloves to perform venipuncture on two different patients because the patients are in the same room
Which of the following is not considered personal protective equipment?
Gloves
Lab coat
Disinfectants
Eyeglasses
Match the mode of transmission with the laboratory
activity.
"Pipetting by mouth"
Inhalation
Ingestion
Direct Contact
All of the above
None of the above
Match the mode of transmission with the laboratory
activity.
"Having a specimen splashed into the eyes"
Inhalation
Ingestion
Direct Contact
All of the above
None of the above
Match the mode of transmission with the laboratory
activity.
"Being scratched by a broken beaker "
Inhalation
Ingestion
Direct Contact
All of the above
None of the above
Match the mode of transmission with the laboratory
activity.
"Smoking in the laboratory"
Inhalation
Ingestion
Direct Contact
All of the above
None of the above
Match the mode of transmission with the laboratory
activity.
"Centrifuging uncovered specimens"
Inhalation
Ingestion
Direct Contact
All of the above
None of the above
Match the mode of transmission with the laboratory
activity.
"Not wearing gloves when handling specimens"
Inhalation
Ingestion
Direct Contact
All of the above
None of the above
Which agency is responsible for defining, establishing, and monitoring safety and health hazards in the workplace?
Occupational Safety and Health Administration
Centers for Disease Control and Prevention
Chemical Hygiene Agency
National Fire Protection Association
The primary purpose of a Standard Precautions policy in the laboratory is to
ensure a safe and healthy working environment.
identify processes (e.g., autoclaving) to be used to neutralize infectious agents
prevent the exposure and transmission of potentially infectious agents to others
identify patients with hepatitis B virus, human immunodeficiency virus, and other infectious diseases
Interlaboratory comparison testing as with proficiency surveys provides a means to
identify critical values for timely reporting to clinicians
ensure that appropriate documentation is being performed
evaluate the technical performance of individual laboratory practitioners
evaluate the performance of a laboratory compared with that of other laboratories.
Within one facility, what is the purpose of performing duplicate testing of a specimen by two different laboratories (i.e., in-house duplicates)?
It provides little information because the results are already known
It saves money by avoiding the need for internal quality control materials
It provides a means of evaluating the precision of a method
It can detect procedural and technical differences between laboratories
Quality control materials should have
a short expiration date.
a matrix similar to patient samples
their values assigned by an external and unbiased commercial ma
the ability to test preanalytical/pre-examination variables.
Technical competence is displayed when a laboratory practitioner
documents reports in a legible manner.
recognizes discrepant test results.
independently reduces the time needed to perform a procedure (e.g., by decreasing incubation times)
is punctual and timely
Which of the following sources should include a protocol for the way to proceed when quality control results exceed acceptable tolerance limits?
A reference book
A procedure manual
A preventive maintenance manual
A specimen-processing protocol
Which of the following is not considered to be an examination/analytical component of quality assurance?
Reagents (e.g., water)
Glassware (e.g., pipettes)
Instrumentation (e.g., microscope)
Specimen preservation (e.g., refrigeration)
Why are written procedure manuals necessary?
To assist in the ordering of reagents and supplies for a procedure
To appropriately monitor the accuracy and precision of a procedure
To ensure that all individuals perform the same task consistently
To ensure that the appropriate test has been ordered
The purpose of quality control materials is to
monitor instrumentation to eliminate downtime.
ensure the quality of test results obtained.
assess the accuracy and precision of a method.
monitor the technical competence of laboratory staff
Examination/Analytical components of a quality assurance program are procedures and policies that affect the
technical testing of the specimen.
collection and processing of the specimen
reporting and interpretation of results.
diagnosis and treatment of the patient
Which of the following is a postanalytical/post-examination component of a quality assurance/assessment program?
Critical values
Procedure manuals
Preventive maintenance
Test utilization
Which of the following is a preanalytical/pre-examination component of a quality assurance/assessment program?
Quality control
Turnaround time
Technical competence
Preventive maintenance
The ultimate goal of a quality assurance/assessment program is to
maximize the productivity of the laboratory
ensure that patient test results are precise.
ensure appropriate diagnosis and treatment of
patients
ensure the validity of laboratory results
obtained.
This term refers to various measures that prevent and contain the spread of infectious disease.
Chain of Infection
Infection Control
Disinfection
Body Substance Isolation
All of the following are engineering controls required by OSHA except?
Providing sharps disposal containers and needles with
safety devices
Requiring discarding of needles with the safety device activated and the holder attached
Labeling all biohazardous materials and containers.
Providing immunization for the hepatitis B virus free of charge
All of the following are good ways of handling chemicals except?
Chemicals should never be mixed together unless specific instructions are followed, and they must be added in the order specified.
Wearing goggles and preparing reagents under a fume hood
Acid should always be added to water to avoid the possibility of sudden splashing caused by the rapid generation of heat in some chemical reactions.
Practice of pipetting by mouth.
All of the following are contents of MSDS except?
Methods for safe handling and disposal of reagents
Physical and chemical characteristics of chemicals/reagents
Exposure limits and carcinogenic potential
Fire and explosion potential
Product price
What is the first thing to do when an accident involving electrical shock occur?
Report to the supervisor/laboratory manager ASAP.
Call an ambulance.
Help your colleague by removing the equipment.
Unplug equipment or turn off circuit breaker immediately.
Discovery of albuminuria by boiling urine.
Hippocrates
Robert Brown
Frederick Dekkers
Edwin Dekkers
He wrote the book on uroscopy which had a great contribution on the field of microscopy.
Hippocrates
Robert Brown
Frederick Dekkers
Edwin Dekkers
Charlatans are also called?
(a)
It is called a liquid tissue biopsy of the urinary tract.
(a)
Urine is normally (a) % water and 5% solute.
It is the product of muscle metabolism.
Uric Acid
Hippuric Acid
Creatinine
Creatine
It is the product of muscle metabolism.
Uric Acid
Hippuric Acid
Creatinine
Creatine
This is caused by a defect either in the pancreatic production of insulin or in the function of insulin.
Diabetes Mellitus
Diabetes Indipidus
Urine specimens should be delivered to the laboratory promptly and tested within _______.
1 hour
30 mins
3 hours
2 hours
This is an excellent urine sediment preservative.
Boric Acid
Thymol
Formalin
Sodium Fluoride
Refrigeration.
This preservative is not advisable on drug and hormone analyses.
Boric Acid
Thymol
Formalin
Sodium Fluoride
Refrigeration.
This urine specimen is used for the detection of orthostatic proteinuria.
24 hours urine
First morning urine
Catheterized urine
Midstream-clean-catch
The specific gravity of a patient's urine with diabetes mellitus is:
Increased
Decreased
Normal
None of the above
The specific gravity of a patient's urine with diabetes insipidus is:
Increased
Decreased
Normal
None of the above
All of the following are true on the process of midstream clean catch on a female patient except?
Finish voiding in the toilet
Always label the container with the name and time of collection.
Use alcohol to clean the urinary opening before collecting
Wash hands before starting to collect midstream urine specimen.
All are true on a 24 hour urine specimen except?
Addition of urine on the first day of collection
Use large container to collect urine specimen.
A carefully timed specimen must be used to produce accurate result.
Include urine produced at the end of the collection period.
In 3 glass collection, this container serves as control
first container
2nd container
3rd container
Any of the 3
In 3 glass collection, this container serves as marker for prostatitis in case white blood cell values are increases
first container
2nd container
3rd container
Any of the 3
