Laboratory Safety, Blood Collection, & Specimen Consideration

Question 1

Sequence of donning:

a) Gloves, mask, gown, googles
b) Googles, mask, gown, gloves
c) Gown, mask, googles, gloves
d) Gloves, mask, googles, gown

Answer 1

c) Gown, mask, googles, gloves

Question 2

During handwashing, thoroughly clean between your fingers and under your fingernails for at least ____

a) 10 seconds
b) 20 seconds
c) 30 seconds
d) 60 seconds

Answer 2

b) 20 seconds

Question 3

To inactive hepatitis B virus, how long should the household bleach be in contact with the surface or area?

a) 10 minutes
b) 20 minutes
c) 40 minutes
d) 60 minutes

Answer 3

a) 10 minutes

Question 4

Petrolatum, oil, and greases are hazards which may cause which class of fire?

a) Type A
b) Type B
c) Type C
d) Type D

Answer 4

b) Type B

Question 5

Which of the following biosafety cabinet has a high intake air velocity of 100/fm?

a) BSC II, A1
b) BSC II, A2
c) BSC II, B1
d) BSC II, B2

Answer 5

b) BSC II, A2

Question 6

To inactive HIV, how long should the household bleach be in contact with the surface or area?

a) 1 minute
b) 2 minutes
c) 4 minutes
d) 6 minutes

Answer 6

b) 2 minutes

Question 7

HEPA:

a) High Effective Particulate Air
b) High Expressive Particulate Air
c) High Efficiency Particulate Air
d) High Explosive Particulate Air

Answer 7

c) High Efficiency Particulate Air

Question 8

It is the most effective in the hierarchy of controls

a) Extinguish
b) Eliminate
c) Substitution
d) PPE

Answer 8

b) Eliminate

Question 9

It isolates people from the infectious hazard by using:

a) less hazardous materials
b) warning signs
c) biosafety cabinets
d) PPE

Answer 9

c) biosafety cabinets

Question 10

It protects the laboratory staff from the hazard by:

a) using less hazardous materials
b) wearing PPE
c) conducting policies such as SOPs
d) using fume hoods

Answer 10

b) wearing PPE

Question 11

In biosafety class II B1, how much air is being recirculated?

a) 30%
b) 70%
c) 100%
d) none of the choices

Answer 11

a) 30%

Question 12

In biosafety class II B2, how much air is being recirculated?

a) 30%
b) 70%
c) 100%
d) none of the choices

Answer 12

d) none of the choices

Biosafety class II B2 is 100% EXHAUSTED outside the building

Question 13

In decontamination of body fluids, how much decontaminating solution is required?

a) 5.25% NaOCl
b) 10% chloride bleach
c) either
d) neither

Answer 13

c) either

Question 14

Wavelength for ultraviolet region:

a) >700 nm
b) <400 nm
c) >400 nm
d) <700 nm

Answer 14

b) <400 nm

Question 15

Wavelength for infrared region:

a) >700 nm
b) <400 nm
c) >400 nm
d) <700 nm

Answer 15

a) >700 nm

Question 16

Which chemical hazard is used for materials that give off harmful vapors and only provide protection for personnels?

a) MSDS
b) NFPA
c) Fume hood
d) SDS

Answer 16

c) Fume hood

Question 17

MSDS is a major source of information about chemicals written by manufacturers. It is consists of only 16 sections.

a) Both statements are true
b) Both statements are false
c) 1st statement, true; 2nd statement, false
d) 1st statement, true; 2nd statement, false

Answer 17

a) Both statements are true

Question 18

Which type of fire extinguisher is used for ordinary combustible materials?

a) Halon
b) Carbon dioxide
c) Sand
d) Pressured water

Answer 18

d) Pressured water

Question 19

Which type of fire extinguisher is used for flammable metals?

a) Halon
b) Carbon dioxide
c) Sand
d) Pressured water

Answer 19

c) Sand

Question 20

Any accidents involving personal injuries, even minor ones, should be reported immediately to a:

a) OSHA
b) Supervisor
c) Laboratory staff
d) Laboratory aide

Answer 20

b) Supervisor

Question 21

It consists of combustible chemicals or metals, such as sodium or magnesium and are extinguished with highly specialized or bulk materials.

a) Class A fires
b) Class B fires
c) Class C fires
d) Class D fires

Answer 21

d) Class D fires

Question 22

Which of the following samples is the best alternative to serum in chemistry?

a) Citrate plasma
b) Oxalate plasma
c) Heparinized plasma
d) EDTA plasma

Answer 22

c) Heparinized plasma

Question 23

Which of the following samples is the used for lipid and lipoprotein testing?

a) Citrate plasma
b) Oxalate plasma
c) Heparinized plasma
d) EDTA plasma

Answer 23

d) EDTA plasma

Question 24

In utilization of NaF, what components of the samples becomes falsely elevated?

a) BUN and Creatinine
b) BUN and Ammonia
c) BUN and Urea
d) BUN and Uric acid

Answer 24

d) BUN and Uric acid

Question 25

Heat lamps and lasers are example of:

a) Low frequency radiation
b) Microwave radiation
c) Infrared radiation
d) Ultraviolet radiation

Answer 25

c) Infrared radiation

Question 26

Which specimen is preferred for most clinical chemistry tests?

a) Plasma
b) Serum
c) Whole blood
d) All of the choices

Answer 26

b) Serum

Question 27

Tourniquet application should be:

a) 2-4 inches above
b) 2-4 inches below
c) 3-4 inches above
d) 3-4 inches below

Answer 27

c) 3-4 inches above

Question 28

In antiseptic application, what is the recommended method on cleansing the site of puncture?

a) Circular with friction
b) Back and forth with friction
c) either
d) neither

Answer 28

b) Back and forth with friction

Question 29

In high temperature, the drawn volume will be:

a) Increased
b) Decreased
c) Varies
d) No effect

Answer 29

b) Decreased

Question 30

In high humidity, the water vapor inside the tube will

a) Migrate
b) Escape
c) Trapped
d) No effects

Answer 30

a) Migrate

Question 31

What is the recommended length of lancet blade used for heel sticks on newborns?

a) 1.75 mm
b) 2 mm
c) 1 mm
d) 4 mm

Answer 31

a) 1.75 mm

Question 32

What is the preferred anticoagulant used in arterial puncture?

a) Sodium heparin
b) Ammonium heparin
c) Lyophilized heparin
d) Lithium heparin

Answer 32

c) Lyophilized heparin

Question 33

Degree angle in collecting from femoral artery:

a) 45 degrees
b) 60 degrees
c) 90 degrees
d) 30 degrees

Answer 33

c) 90 degrees

Question 34

This tube is used in the analysis of glycosylated hemoglobin.

a) Royal blue top
b) Pink top
c) White pearl top
d) Purple top

Answer 34

d) Purple top

Question 35

This standard applies to exposure to all blood or other potentially infectious materials in any occupational setting and it defines terminology relevant to such exposures.

a) Bloodborne pathogen standard
b) A and C
c) 29 CFR 1910.1030
d) 29 CFR 1910.1200

Answer 35

b) A and C