A substance that is dissolved in a solution

which of these scenarios of a possible cosmo task is a situation where a cosmo needs knowledge of metacarpus & phalanges

a cosmo is massaging a clients hand during a manicure service

How do veins function in the circulatory system?

Veins transport, oxygen-poor blood and waste products

When mixing chemicals, one should____

Use a measuring device, such as a measuring cup or spoon

which of these sets of bones is found in the arms and hands?

phalanges, metacarpus, and radius

During mani consultation cosmo learns client being treated by provider for limited abilities. How can cosmo change plans

Cosmo should be careful w hot water to avoid accidentally burning client

what happened during mitosis

a cell reproduced by dividing into two identical cells

A substance that dissolves a solute and makes a solution

Marcus&Amanda are arguing over whether air is a pure substance. Marcus says it is & Amanda says it’s not. Who is correct

Amanda is correct bc air contains many substances, so it cannot be pure

What accompanies the rapid oxidation of a substance during combustion?

The production of heat and light

Which of the following best describes a function of the integumentary system

Protect body against outside elements,such as germs,chemicals, sun exposure

What did the safety data sheet (SDS) replace?

The material safety data sheet (MSDS)

A Cosmo is performing a hand massage during a manicure. Which scenario describes the correct approach.

When massaging opponens pressure is directed from insertion to origin

All of the following are considered reasons that cosmo must differentiate between healthy & unhealthy nails EXCEPT

Must identify conditions that are affected by weather conditions & humidity

what is the function of the cervical vertebrae?

to give support and structure to the neck

Which of the following is TRUE when salt is dissolved into water?

Water is the solute and water is a solvent

Which description best defines a motor nerve?

Motor nerves carry impulses from the brain to the muscles or glands

Which of the following is true today of the disposable of many of the chemicals used in salons, spas, and barbershops?

Most states and counties do not have regulations in place

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science spring final 2025

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Questions 85

Answers

1
What is a solute?
A liquid not capable of being mixed to form a stable solution
A substance that is dissolved in a solution
A substance that dissolves a solvent and makes a solution
A stable physical mixture of two or more substances
2
which of these scenarios of a possible cosmo task is a situation where a cosmo needs knowledge of metacarpus & phalanges
a cosmo is considering contours of the head when designing a new hairstyle
a cosmo is giving a client a body wrap treatment
a cosmo is massaging clients feet during a pedicure service
a cosmo is massaging a clients hand during a manicure service
3
Which nail disorder is associated with visible redness, pain, swelling, broken skin, or pus?
Melanonychia
Hang nails
Infected finger
Leukonychia
4
How do veins function in the circulatory system?
Veins transport, oxygen-poor blood and waste products
Veins pump blood through the entire circulatory system
Veins take oxygen from air and transfer it into blood
Veins carry oxygen rich blood away from the heart
5
An SDS is formatted into______ categories
12
10
8
16
6
Which of the following is a nail disease that requires the attention of a physician
Hangnails
Plicatured nails
A bruise on the nail bed
Paronychia
7
Which of the following BEST describes a carcinogen?
A substance made of carbon
A substance that causes cancer
A material that is very easy to ignite
A material capable of igniting or burning
8
SDS are designed for
Use only by managers
Everyday use
Use only by new employees
Use in an emergency
9
The basic units of all living things are
Plasma
Hormones
Bacteria
Cells
10
When mixing chemicals, one should____
Avoid rooms or areas that are well ventilated
Never use secondary containers, such as spray bottles
Use a measuring device, such as a measuring cup or spoon
Add the water to the chemical, not the other way around
11
identify the body system that controls the movement of blood throughout the body
respiratory system
circulatory system
excretory system
integumentary system
12
The middle part of the muscle is called the
Origin
Insertion
Nucleus
Belly
13
which of these sets of bones is found in the arms and hands?
phalanges, metatarsals, and talus
thorax, sternum, and clavicle
phalanges, metacarpus, and radius
fibula, tibia, and patella
14
During mani consultation cosmo learns client being treated by provider for limited abilities. How can cosmo change plans
Cosmo should consider deep massage of lower kegs or arm to stimulate nerves
cosmo should avoid vigorous scout massage to prevent overstimulating nerves
Cosmo should soak hand in cold water prior to mani to numb fingertips
Cosmo should be careful w hot water to avoid accidentally burning client
15
In the uniform order of the SDS, which of the following comes immediately after the first category of “identification”
Toxicology information
Hazard identification
Disposal considerations
First aid measures
16
When immiscible liquids are combined, they form_____
Solutions
Stable mixtures
Suspensions
Miscible liquids
17
Which of the following is a nail disease associated with the separation of the nail plate& bed due to injury or allergy
Ridged nail
Plicturated nail
Tines pedis
Onycholysis
18
What nail disorder is associated with nail surface pitting, roughness, onycholysis,& bed discoloration
Onychophagy
Beaus lines
Melanonychia
Nail psoriasis
19
What nail disorder is associated w dramatically, increased nail coverture of free edge, where it might curl upon itself
Onychophagy
Eggshell nail
Splinter hemorrhage
Pincer nail
20
Select the body system that includes a pituitary, thyroid, and adrenal glands
Excretory system
Integumentary system
Endocrine system
Lymphatic system
21
Which of the following nail disorders displayed as dark purpleish spots usually due to small injury to the nail bed
Onychophagy
Splinter hemorrhage
Ridged nail
Bruised nail bed
22
The levitating palpebral superioris and the levator anguli oris are the muscles of the _____
Lower legs and feet
Shoulders and arms
Face, nose, and mouth
Scalp and neck
23
the part of the skeletal system that connects the sternum and the scapula is the
clavicle
ulna
talus
carpus
24
what happened during mitosis
a cell combines simple molecules to form complex molecule
a cell reproduced by dividing into two identical cells
enzymes in cell fluid digest other molecules for food
the tissue surrounding a cell allows certain substances to enter the cell
25
Nail services are governed under______
Podiatry
Cosmetology
Dermatology
Trichology
26
What is a solvent?
A substance dissolved into a solution
A substance that dissolves a solute and makes a solution
A stable physical mixture of two or more substances
A liquid not capable of being mixed to form a stable solution
27
A____ is capable of igniting and burning.
Carcinogen
Mutagen
Chemical
Combustible
28
Marcus&Amanda are arguing over whether air is a pure substance. Marcus says it is & Amanda says it’s not. Who is correct
Marcus is correct because air contains nitrogen, a pure substance
Marcus is correct because there are no pieces of matter and air
Amanda is correct bc air contains many substances, so it cannot be pure
Amanda is correct because air contains no substances at all
29
U r owner of highend salon.massage oil employee says products give them terrible rash&sneezes.what do u explain happened
Ionization
The overexposure principle
The pH principle
Neutralization
30
which part of the skeletal system has the function of protecting the brain?
mandible
scapula
cranium
metacarpus
31
If you were to leave the freezer open all night, all of the ice would melt. This is a result of____
An endothermic reaction
An exothermic reaction
Neutralization
Ionization
32
The muscles that turn the hand inward, so the palm faces downward are the
Flexors
Pronators
Supinators
Levitators
33
What accompanies the rapid oxidation of a substance during combustion?
The production of heat and light
Neutralization
An endothermic reaction
An ionization of the substance
34
Cosmo is discussing possible treatment for dry scalp w client.to make right decision which bodysystem should cosmo know
Integumentary system
Skeletal system
Lymphatic system
Muscular system
35
Which of the following best describes a function of the integumentary system
Control hormone levels within the body that determine growth & development
Protect body against outside elements,such as germs,chemicals, sun exposure
Protect the body from disease by destroying pathogens and toxins
Eliminate waste from the body reducing the buildup of toxins
36
Which of the following is the simplest form of chemical matter?
A liquid
an element
A chemical
A guess
37
Of all the elements known to science today, how many occur naturally on earth?
19
98
18
89
38
What did the safety data sheet (SDS) replace?
The national Institute of health (NIH)
The Occupational Safety and Health Administration (OSHA)
The material safety data sheet (MSDS)
The environmental protection agency (EPA)
39
Which of the following nail diseases is associated with fungal infections of the feet or athletes foot?
Pyogenic granaloma
Timea pedis
Onycnia
Onycholysis
40
The word integument means
Natural covering
Hormone
Gland
Blood vessels
41
A Cosmo is performing a hand massage during a manicure. Which scenario describes the correct approach.
When massaging opponens pressure is directed from insertion to origin
When massaging soleus pressure is directed from insertion to origin
When massaging trapezius pressure is directed from origin to insertion
When massaging adductors pressure is directed from origin to insertion
42
The division of the nervous system that controls voluntary muscle actions is the
Autonomic nervous system
Sensory nervous system
Peripheral nervous system
Central nervous system
43
All of the following are considered reasons that cosmo must differentiate between healthy & unhealthy nails EXCEPT
Must identify conditions that are affected by weather conditions & humidity
Need to take appropriate step to protect you& client from spread of disease
Could be in position to see condition mild-serious health probs that needDR
Must identify conditions that should not be treated in the salon
44
what is the function of the cervical vertebrae?
to support the tongue and its muscles
to give support and structure to the neck
to connect the sternum and the scapula
to support the body’s weight
45
What nail disorder is associated with damage to the capillaries under the nail?
Splinter hemorrhage
Hangnail
Nail pterygium
Ridged nail
46
Which of the following is TRUE when salt is dissolved into water?
Water is the solute and salt is the solvent
Salt and water are both solvents
Water is the solute and water is a solvent
Salt and water are both solutes
47
Any substance that occupied space and has weight is ______
Matter
A chemical
Potentially dangerous
A beauty product
48
Which description best defines a motor nerve?
Motor nerves control all of the bodies functions
Motor nerves carry impulses from the brain to the muscles or glands
Motor nurses are protected by spinal column & control the lower body
Motor nerves carry messages from the sense organs to brain & spinal cord
49
Each of the following is a blood vessel, except
Arterioles
Arteries
Venues
Pulmonaries
50
Which of the following is true today of the disposable of many of the chemicals used in salons, spas, and barbershops?
There are strict and universal regulations in place across the US
There are no regulations in place anywhere across the US
Most states and counties do not have regulations in place
Most states and counties have regulations in place
51
_____ are the basic units of matter
Neutrons
Electrons
Atoms
Protons
52
Everything you can touch and everything you can see is matter except
Living and once living bodies
Liquids and gases
Chemicals and powders
Light and electricity
53
Which of the following is a male disease associated w bacterial inflammation of tissue around nail plate causing pus
Nail psoriasis
Onychomadesis
Paronychia
Eggshell nail
54
Which type of glove is recommended for cosmetologist?
Nitrile
Rubber
Latex
Cotton
55
What does an oxidizing agent do?
Absorbs oxygen
Increases oxygen
Releases oxygen
Nullifies oxygen
56
which statement best describes a relationship between organs and body systems
organ is tissue perform specific functions,body systems organ perform funct
organ is tissue that perform specific function,body system controls body
organ is tissue that perform specific function,systems located tog
organ is tissue that perform specific function,body syst protect organs
57
Which of the following is true of solutions?
They are usually a solid color
They are surfactants
They are immiscible
They are stable mixtures
58
The inner and larger bone of the forearm attached to wrist & located on side of little finger is the
Ulna
Radius
Humerus
Carpus
59
how does epithelial tissue function in the body?
epithelial tissue provides a covering that protects the body
epithelial tissue binds&supports other body tissues and organs
epithelial tissue carries messages to and from the brain
epithelial tissue contexts and moves parts of the body
60
The over exposure principle is used to describe how overexposure determines_____
Toxicity
Safety
Tolerance
Immunity
61
Which of the following is an example of a chemical change?
Exposed metal rusting
Ice melting to become water
Water evaporating into the air
Liquid nail polish hardening
62
Which muscle causes wrinkles across the forehead?
Frontalis
Platysma
Occipitalis
Epicranius
63
What does a reducing agent do?
Subtracts nitrogen from a chemical compound
Add hydrogen to a chemical compound
Adds oxygen to a chemical compound
Subtract hydrogen for a chemical compound
64
What muscle action is controlled by the autonomic nervous system, & controls body function such as breathing & digestion
Cardiac muscles
Anterior muscles
Voluntary muscles
Involuntary muscles
65
How many elements are known to science today?
118
108
81
18
66
what is the function of the integumentary system?
makes blood and oxygen available to body structures
coordinated all other body systems allowing to work efficiently&react
controls blood movement throughout the body
provides protective covering & regulates body temp
67
A collection of similar cells that perform a function is called
Tissue
Organism
Organ
Structure
68
Which of the following nail disorders show symptoms of turning colors which may indicate disorder or poor circulation
Discolored nail
Onychorrhexis
Melanonychia
Leukonychia
69
Which nail disorder is associated with damaged skin around the nail plate that becomes split or torn
Onychorrhexis
Pincer nails
Hang nails
Plicturated nail
70
Which of the following nail diseases is associated w rapidly growing & contagious bacteria seen as yellow-green spots
Tinea pedis
Paronychia
Onycholysis
Pseudomonas aeruginosa
71
which part of a cell controls the growth and reproduction of the cell?
cell membrane
mitosis
nucleus
cytoplasm
72
Which nail disorder is associated w significant darkening of fingernails or toenails caused by increased pigment cells
Melanonychia
Infected finger
Pincer nails
Ridged nail
73
a cosmo is designing new eye make up style for client. Which bone will affect appearance of eye makeup that is applied
the metacarpus and the phalanges
the parietal bone and the occipital bone
The zygomatic bones and the lacrimal bones
the metatarsals and the tarsals
74
After consultation with new client,cosmo notice,thin hair been improving bc of hormone. Which system should cosmo know
Lymphatic system
Nervous system
Endocrine system
Circulatory system
75
Choose the body system that functions to regulate the body’s temperature
Lymphatic system
Integumentary system
Respiratory system
Circulatory system
76
Which body system is compromised of the skin and its accessory organs
Endocrine system
Immune system
Integumentary system
Excretory system
77
The main arteries that supply blood to the head, neck, and face are the
Internal jugular
Common carotid arteries
Common aorta arteries
Serratus anterior arteries
78
Guidelines for properly storing chemicals include all, EXCEPT which of the following
Never allow chemicals to sit out
Never haphazardly combine two chemicals
Always lock up chemicals when not in use
Never dispose of chemicals in their original containers
79
How would you respond to someone who says that because something is not specifically prohibited it is not allowed
You can perform practice that is not specifically prohibited within license
You can only perform practices listed specifically within your license
You can only perform practices accepted by your salon or spa
You can perform practice listed within your license or podiatrist license
80
What are the seven bones in the ankle area collectively called?
The metatarsals
The tarsals
The metacarpus
The carpus
81
U are an instructor at school.teresa asks why it important to have a thorough understanding of chemistry. What do u say
Without understanding basic chemistry,she wont be able to use products safe
It is backbone of beauty industry if she lacks knowledge, she cant be part
To someday make her economic viability reliant on chemistry “ intelligence”
Client will become more and more critical of her knowledge of chemistry
82
why should cosmos have an understanding of anatomy and physiology
to identify&treat infections, a cosmo needs an understanding of A&P
calculating time required for chemical service on hair requires physiology
common hair loss prevention treatments rely on an understanding of anatomy
common cosmo procedures can rely on an understanding of human anatomy
83
The gland like structures in the immune system, that filter, bacteria, viruses, and cancer cells are called
Adipose tissue
Lymph nodes
Cytoplasm
Epithelial tissue
84
Which muscles do people use when they straighten their wrist, hand, and fingers to form a straight line
Pronator
Flexors
Supinator
Extensors
85
PH is an abbreviation of_____
Productively high
Portable H2O
Pure hydrochloric acid
Potential hydrogen

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