Deck 1: Safety and Quality Assessment

Question 1

Which of the following is a practice that all laboratory workers must avoid?

A) Changing gloves that are soiled
B) Centrifuging conical tubes
C) Moving puncture-resistant containers
D) Manually recapping needles

Answer 1

D

Question 2

Immediate information concerning the health hazards,flammability,and reactivity of a chemical can be obtained from the:

A) MSDS
B) NFPA symbol
C) CDC
D) OSHA

Answer 2

B

Question 3

A urine specimen received in the laboratory is leaking in a transport bag.What is the next course of action?

A) It should be relabeled
B) It should be rejected
C) It should be processed with no special handling
D) It should be poured into a clean container

Answer 3

B

Question 4

A laboratory worker who observes a red hand rash after removing gloves should:

A) Avoid wearing gloves for 2 days
B) Wash the hands with antimicrobial soap
C) Apply cortisone cream to the hands
D) Avoid wearing latex gloves in the future

Question 5

Lab coats worn in the urinalysis lab should:

A) Be worn loosely over uniforms
B) Have short sleeves
C) Be completely buttoned
D) Be worn at all times in and outside of the laboratory

Question 6

Disinfection of the sink in the urinalysis laboratory should be performed:

A) On a daily basis
B) When a positive bilirubin is detected
C) Following an accidental spill
D) By using dilute hydrochloric acid

Question 7

Laboratory equipment and other inanimate objects serve as what in the chain of infection?

A) Host
B) Reservoir
C) Point of entry
D) Point of exit

Question 8

Which of the following CDC guidelines considers all moist body substances to be potentially infectious and stresses hand washing?

A) Universal precautions
B) Body fluid precautions
C) Standard precautions
D) Health-care personnel standards

Question 9

Which of the following guidelines tells laboratory personnel to consider all patients as possible carriers of blood-borne pathogens?

A) Urinalysis precautions
B) Blood-borne pathogen precautions
C) Standard precautions
D) Body fluid precautions

Question 10

Plexiglas shields are used in the laboratory when urine tube specimens are being:

A) Sorted according to lab
B) Uncapped for analysis
C) Centrifuged for analysis
D) Observed for color characteristics

Question 11

You arrive to work in the clinical laboratory with a small cut on your hand.Your supervisor pulls you from specimen collection (phlebotomy)duties for the day,citing chain of infection protocols.Why is your supervisor concerned about the cut on your hand?

A) Because you will not have the mobility in your hand to properly collect blood
B) Because you are going to have to wear a bandage all day long
C) Because you have a point of entry that could expose you to infectious agents
D) Because you are going to be an active transmitter of infection onto general surfaces

Question 12

The Centers for Disease Control (CDC)recommends that universal precautions be followed when encountering:

A) Specimens containing visible blood
B) Patients who are infected with blood-borne pathogens
C) All body fluid specimens
D) Specimens that may produce aerosols

Question 13

The Occupational Exposure to Blood-Borne Pathogens Standard is:

A) A guideline developed by the FDA
B) An additional precaution associated with urinalysis
C) A guideline recommended by the CDC
D) A law enforced by Occupational Safety and Health Administration (OSHA)

Question 14

Before using a water hose on a burning chemical cabinet,a firefighter would visually check that what is posted on the outside of the cabinet?

A) National Fire Protection Association (NFPA) symbol
B) Material Safety Data Sheet (MSDS)
C) Chemical Hygiene Plan
D) Occupational Safety and Health Administration manual

Question 15

Centrifuging an uncapped tube of urine is most likely to produce a/an:

A) Electrical shock
B) Broken tube
C) Unbalancing
D) Aerosol

Question 16

Safety precautions observed in the urinalysis laboratory include all of the following except:

A) Wearing goggles or a face shield
B) Checking tube balance in the centrifuge
C) Centrifuging only uncapped tubes
D) Wearing a fluid-resistant lab coat

Question 17

The chain of infection includes all of the following except a:

A) Source
B) Host
C) Disinfectant
D) Transmission method

Question 18

The source,method of transmission,and host are all deemed:

A) Steps in the urinalysis
B) Components of the chain of infection
C) Problems encountered in urinalysis
D) Considerations in urine specimen transport

Question 19

Proper hand washing includes all of the following procedures except:

A) Rubbing to create a lather
B) Using warm water
C) Rinsing hands in a downward position
D) Using a paper towel to turn on the water faucet

Question 20

The acceptable method for disposing of urine specimens is:

A) Autoclaving in the entire collection
B) Pouring down the sink followed by copious amounts of water
C) Placing the specimen in a biohazard bag
D) Diluting with sodium hypochlorite

Question 21

When a critical value is obtained in the laboratory:

A) The test should be repeated
B) The pathologist should be notified
C) A new specimen must be requested
D) The result must be reported to the health-care provider

Question 22

Proficiency testing should be performed:

A) When control results exceed the confidence limits
B) By personnel performing the tests routinely
C) By the laboratory supervisor only
D) During an accreditation site inspection

Question 23

Obtaining the same result after testing the same specimen three times is called test:

A) Reliability
B) Quality control
C) Precision
D) Accuracy

Question 24

When encountering a person experiencing an electrical shock,the first thing to do is:

A) Turn off the circuit breaker for area
B) Lower the person's head below the heart
C) Wrap the person in a wet fire blanket
D) Move the person away from the electrical object

Question 25

The ability to obtain the published result on a control sample is referred to as:

A) Precision
B) Accuracy
C) Standardization
D) Reliability

Question 26

The least regulated level of Clinical Laboratory Improvement Amendments (CLIA)testing categories is:

A) Waived
B) Provider-performed microscopy
C) Moderate-complexity
D) High-complexity

Question 27

A procedure with a coefficient of variation of 10% is considered:

A) Reliable
B) Precise
C) Confident
D) Imprecise

Question 28

Personnel in the urinalysis laboratory are best protected from blood-borne pathogen exposure when following standard precautions.

Question 29

The acronym RACE is used when encountering a/an:

A) Fire
B) Chemical spill
C) Electrical shock
D) Needlestick

Question 30

Clinical laboratory personnel have the least control over which of the following conditions?

A) Pre-examination variables
B) Examination variables
C) Post-examination variables
D) Post-discharge variables

Question 31

When you receive a specimen and a requisition form that do not match,you should:

A) Notify the personnel who collected the specimen
B) Test the specimen and note the error on the requisition
C) Immediately discard the specimen
D) Analyze the error and make appropriate changes to the label

Question 32

Variables that are included in a quality assurance program include all of the following except:

A) Pre-examination
B) Clinical
C) Examination
D) Post-examination

Question 33

Laboratory personnel wear special monitory badges when working frequently with which of the following hazards?

A) Biologic
B) Chemical
C) Radioactive
D) Explosive

Question 34

The most commonly available fire extinguisher in a hospital is:

A) Type A
B) Type B
C) Type C
D) Type ABC

Question 35

The highest acceptable range for confidence limits in the clinical laboratory is:

A) ±1 SD
B) ±2 SD
C) ±3 SD
D) ±4 SD

Question 36

When a fire is discovered in the laboratory,you should do all of the following except:

A) Activate the fire alarm
B) Evacuate the area using the stairs
C) Use an appropriate fire extinguisher
D) Leave the door open when evacuating

Question 37

When plotted on a Levy-Jennings chart,a control that has been left on the counter overnight instead of being refrigerated might show a/an:

A) Shift
B) Increased CV
C) Trend
D) Change in precision

Question 38

A urinalysis laboratory that subscribes to an external proficiency testing program from which all samples are tested by the supervisor is an example of:

A) Right things done right
B) Wrong things done wrong
C) Right things done wrong
D) Wrong things done right

Question 39

When using a fire extinguisher,which action do you perform first?

A) Point the nozzle
B) Pull the pin
C) Protect the patient samples
D) Position the extinguisher

Question 40

Which of the following items found in the laboratory should be securely fastened to a nonmovable object?

A) Biohazard bags
B) Compressed gas cylinders
C) Chemical spill kits
D) Radiation detectors

Question 41

Electrical current can pass through glass and wood.

Question 42

Flammable chemicals must be stored in explosion-proof refrigerators.

Question 43

Match the following safety hazards with the possible injury:
A. Carcinogen exposure
B. Strained back
C. Viral infection
D. Shock
Chemical

Question 44

Match the following safety hazards with the possible injury:
A. Carcinogen exposure
B. Strained back
C. Viral infection
D. Shock
Physical

Question 45

Matching
Match the burning material with the type of fire:
A.Type A
B.Type B
C.Type C
D.Type D
Organic chemicals

Question 46

Matching
Match the burning material with the type of fire:
A.Type A
B.Type B
C.Type C
D.Type D
Electrical

Question 47

Only nontoxic chemicals can be pipetted by mouth.

Question 48

It is not necessary to change gloves when performing tasks on the same patient.

Question 49

A paper towel used to absorb a urine spill is discarded in a biohazard container.

Question 50

Matching
Match the burning material with the type of fire:
A.Type A
B.Type B
C.Type C
D.Type D
Combustible metals

Question 51

When lifting heavy objects,laboratory workers should bend their knees.

Question 52

It is acceptable to recap a needle on a syringe containing urine,but not blood.

Question 53

Match the following safety hazards with the possible injury:
A. Carcinogen exposure
B. Strained back
C. Viral infection
D. Shock
Biologic

Question 54

The MSDS should be provided to laboratories by chemical manufacturers or vendors.

Question 55

State the six components of the chain of infection.

Question 56

Match the following safety hazards with the possible injury:
A. Carcinogen exposure
B. Strained back
C. Viral infection
D. Shock
Electrical

Question 57

OSHA requires employers to provide free immunization for hepatitis B virus (HBV)to workers in urinalysis.

Question 58

Who is responsible for laundering nondisposable lab coats?

Question 59

Matching
Match the burning material with the type of fire:
A.Type A
B.Type B
C.Type C
D.Type D
Wood

Question 60

Hands should be washed before and after testing each urine specimen.

Question 61

Name three blood-borne pathogens.

Question 62

What document does OSHA require all laboratories to have on file when using hazardous chemicals?

Question 63

A laboratory worker who is pregnant should avoid areas designated by what hazard symbol?

Question 64

What are the diamond-shaped,color-coded labels placed on chemical cabinets in the urinalysis lab called?

Question 65

Describe the type of shoes that should be worn in the laboratory.

Question 66

What two activities are paper towels used for when washing the hands?

Question 67

When gloves are removed,what is the next action taken?