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WorksheetsScience pt.1
Total questions: 45
Worksheet time: 23mins
Name
Class
Date
1.
Two important regulations that OSHA has put in place to assist in safe operations are the Safety Data Sheets (SDS) and the:
a)
features of products
b)
labeling of products
c)
location of products
d)
formulas of products
2.
What is a highly infectious disease that infects the liver?
a)
polio
b)
yellow fever
c)
Human Hepatitis B Virus (HBV)
d)
Acquired Immunodeficiency Syndrome (AIDS)
3.
What is the proper procedure for dealing with tools and multi-use supplies that have NOT come in contact with blood or body fluids?
a)
clean only
b)
discard immediately
c)
use only warm water and soap
d)
use an approved EPA-registered disinfectant
e)
Pluto
4.
Which of the following statements identifies an appropriate step for a basic hand washing procedure?
a)
rinse hands in cold water
b)
use a communal towel for drying
c)
spend at least 20 seconds working up a good lather
d)
position hands upward to allow rinse to progress from fingertips to wrist
5.
In the case of a chemical injury to the eye, which of the following steps is recommended?
a)
flush the eyeball with hot water for 45 minutes
b)
flush the eyeball with cold water for 45 minutes
c)
flush the eyeball with hot water for 3 to 5 minutes
d)
flush the eyeball with lukewarm water for 15 to 30 minutes
6.
Which of the following steps should be taken after removing all hair from a brush during a disinfection procedure?
a)
dry brush thoroughly
b)
wash brush with soap and water
c)
store brush in a dry, covered container
d)
immerse brush in a disinfecting solution
7.
Metal tools and nonporous supplies used should be disinfected:
a)
after each use
b)
twice each day
c)
at the end of each day
d)
at the beginning of each day
8.
Amino acids that create proteins are linked together end to end by:
a)
salt bonds
b)
side bonds
c)
peptide bonds
d)
alkaline bonds
9.
All matter that is now living or was alive at one time, with carbon present, falls within the scientific division of:
a)
physics
b)
anatomy
c)
organic chemistry
d)
inorganic chemistry
10.
The atomic number of a particular element indicates:
a)
the number of protons in a single atom
b)
the number of neutrons in a single atom
c)
the number of electrons in a single atom
d)
the number of atoms in a single element
11.
The regulating agency under the U.S. Department of Labor that enforces safety and health standards in the workplace is:
a)
DNR
b)
SDS
c)
USDA
d)
OSHA
12.
Which of the following conditions is NOT a disease caused by a virus?
a)
mumps
b)
tuberculosis
c)
common cold
d)
respiratory infection
13.
Carbon, oxygen, hydrogen and nitrogen form the basis of:
a)
mixtures
b)
elements
c)
compounds
d)
amino acids
14.
Bacterial cells that may be harmful to the body are:
a)
nontoxic
b)
vegetative
c)
pathogenic
d)
nonpathogenic
15.
Hair-like projections used by bacilli and spirilla to move themselves are called cilia or:
a)
feet
b)
bacilli
c)
flagella
d)
pediculosis
16.
Which bond is the backbone of all protein molecules?
a)
salt
b)
keratin
c)
peptide
d)
hydrogen
17.
The chemical symbol for carbon is:
a)
C
b)
Ca
c)
Cb
d)
Co
18.
As bacteria absorb food, each cell grows in size and divides, resulting in how many new cells?
a)
two
b)
four
c)
six
d)
eight
19.
The body’s ability to destroy infectious agents that enter the body is:
a)
immunity
b)
superiority
c)
sterilization
d)
infection control
20.
Parasitic fungi can cause noncontagious conditions, such as:
a)
dandruff
b)
ringworm
c)
nail fungus
d)
tinea capitis
21.
In what pH range is skin and hair?
a)
4.5 to 5.5
b)
6.5 to 7.0
c)
7.5 to 10.5
d)
11.5 to 12.0
22.
All of the following categories of disinfectant products are designed to kill specific organisms EXCEPT:
a)
virucidal
b)
antiseptic
c)
tuberculocidal
d)
pseudomonacidal
23.
Bacteria that form spores can only be destroyed by using a product labeled as sporicidal or by:
a)
dusting
b)
cleaning
c)
sterilization
d)
disinfection
24.
Which type of bond does number 3 represent on the illustrated protein chain?
a)
salt bond
b)
disulfide bond
c)
hydrogen bond
d)
van der Waals forces
25.
Eileen’s client has developed pneumonia. Which type of bacteria is the cause of this disease?
a)
cocci
b)
bacilli
c)
diplococci
d)
streptococci
26.
A pH of 5 is how many more times acidic than a pH of 6?
a)
1.5
b)
10
c)
100
d)
1000
27.
Spherical (round)-shaped bacterial cells, which appear singularly or in groups are known as:
a)
cocci
b)
bacilli
c)
spirilla
d)
flagella
28.
pH balanced refers to a product that ranges from a pH of:
a)
4.5 to 5.5
b)
6.5 to 7.0
c)
7.5 to 10.5
d)
11.5 to 12.0
29.
A solution that has more positive hydrogen ions than negative hydroxide ions is:
a)
acidic
b)
neutral
c)
alkaline
d)
slightly alkaline
30.
All of the following are steps to be followed if a victim is choking EXCEPT:
a)
determine if victim can speak
b)
lay victim on his/her back
c)
wrap arms around stomach
d)
perform upward thrusts
31.
What occurs when the circulatory system carries bacteria and their toxins to all parts of the body?
a)
local infection
b)
active immunity
c)
passive immunity
d)
general infection
32.
What laws have most states enacted to encourage people to help others in emergency situations?
a)
Emergency Laws
b)
Cosmetology Laws
c)
Common Sense Laws
d)
Good Samaritan Laws
33.
A point to remember about cleaning is:
a)
cleaning kills microbes
b)
cleaning requires a mechanical process that causes microbes to loosen for removal
c)
cleaning does not require a mechanical process that causes microbes to loosen for removal
d)
cleaning increases the amount of organic matter that contributes to future growth of microbes
34.
Key product information, such as toxicology, first-aid, fire- fighting measures and ecological information, is provided by the:
a)
SDS
b)
DNR
c)
EPA
d)
USDA
35.
Matter with definite weight and volume but no definite shape is called:
a)
organic
b)
a gas
c)
a solid
d)
a liquid
36.
It is recommended that personal service workers such as nurses, doctors, teachers and salon professionals be inoculated against which infectious disease?
a)
ringworm
b)
strep throat
c)
the common cold
d)
Hepatitis B Virus
37.
An example of a cleaning guideline is:
a)
use an autoclave
b)
immerse for the required contact time
c)
sweep or vacuum all hair clippings from the floor after each service.
d)
use a liquid sterilant and/or moist or dry heat, calibrated to various temperatures
38.
The most common form of bacterial cells is:
a)
cocci
b)
bacilli
c)
spirilla
d)
staphylococci
39.
Which of the following statements describes how human hair is formed?
a)
salt bonds connect to amino acids
b)
hydrogen bonds create a chemical change
c)
amino acids cause a simple physical change
d)
bonding of protein chains to other protein chains
40.
Which organization approves the efficacy of products used for infection control?
a)
RDA
b)
EPA
c)
HBV
d)
OSHA
41.
Which of the following steps should a cosmetologist perform immediately prior to a service?
a)
apply hand lotion
b)
rinse hands in cold water
c)
dry hands with a communal cloth towel
d)
wash hands with warm water and soap
42.
All of the following statements regarding pH are true EXCEPT:
a)
7 indicates a neutral substance
b)
values below 7 indicate more acidity
c)
values below 7 indicate more alkalinity
d)
pH is a unit of measurement that indicates whether a substance is acidic, neutral or alkaline
43.
Tools and instruments used to puncture or invade the skin must be sterilized or designed to be:
a)
dull
b)
dirty
c)
porous
d)
disposable
44.
Cleaning is the first level of:
a)
disinfection
b)
contamination
c)
infection control
d)
decontamination
45.
Many approved EPA-registered disinfectants require that tools are cleaned before:
a)
lending
b)
disposal
c)
tightening
d)
immersion
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