Hair Chemistry: Hair Chemistry Final Exam 2024

Which agency is responsible for designating disinfecting agents as being effective enough to be used in a hospital setting and effective for cleaning blood and body fluids?
a. EPA
b. CDC
c. OSHA
d. DOL

Which item is included in the “Identification” section of the MSDS?
a. Possible hazards
b. Restrictions on product use
c. Chemical composition
d. Exposure limits

Invasion of body tissues by disease-causing pathogenic bacteria can result in a(n) __________.
a. infection
b. antitoxin
c. abrasion
d. contusion

Which of the following is a mechanical process
a. Sterilization
b. Bactericide
c. Disinfection
d. Cleaning

As of June 2015, both federal and state laws require that manufacturers supply a(n) ____________ for all chemical products manufactured and sold.
a. SDS
b. MDS
c. HCS
d. EPA

Chemical products that destroy all bacteria, fungi, and viruses (but not spores) on surfaces are known as ____________.
a. antiseptics
b. disinfectants
c. sterilizers
d. sanitizers

According to your text, the GHS gives workers the right to __________.
a. understand safety concerns associated with chemicals
b. know safety concerns associated with chemicals
c. refuse to be exposed to potentially dangerous chemicals
d. seek compensation for chemical-associated illness or injury

Bacteria generally consist of an outer cell wall containing a liquid called __________.
a. spore-forming
b. cilia
c. protoplasm
d. photosynthesis

Methicillin-resistant Staphylococcus aureus (MRSA) initially appears as a __________.
a. skin infection
b. respiratory infection
c. gastrointestinal infection
d. systemic infection

What is safe and useful type of disinfectant, commonly called quats?
a. Quarter antiseptic solution
b. Quaternary-based compounds
c. Phenolic quaternary agents
d. Quaternary ammonium compounds

A cosmetologist is concerned about how a 75-year-old client’s body will respond to the active ingredients in a cosmetic product. Which factor is most important to consider?
a. mitosis
b. metabolism
c. cell growth
d. cellular organization

A person’s body mounts a strong defense against viruses and bacteria, so the individual rarely gets sick. Which body system is primarily responsible for this characteristic?
a. endocrine system
b. lymphatic system
c. circulatory system
d. respiratory system

Which cranial bone forms the back of the skull above the nape?
a. frontal bone
b. parietal bone
c. occipital bone
d. temporal bone

Which facial bones form the cheekbones and outer part of the eye socket?
a. nasal bones
b. maxillae bones
c. lacrimal bones
d. zygomatic bones

Which structure contains the cell’s genetic material?
a. nucleus
b. cytoplasm
c. protoplasm
d. cell membrane

The bones of the fingers and toes are called the __________.
a. tarsals
b. carpals
c. phalanges
d. metacarpals

A(n) __________ is defined as a group of specialized tissues that perform specific functions in the body.
a. organ
b. organelle
c. body system
d. anatomical structure

What function does the cranium have?
a. supports the neck
b. protects the brain
c. forms the collarbone
d. forms the framework of the face

Why should cosmetologists understand anatomy and physiology?
a. to identify the organs that make up the human tissues
b. to recognize when to refer clients to a healthcare professional
c. to recognize and diagnose conditions of the skin, hair, and nails
d. to recommend treatment options for clients with skin, hair, and nail conditions

Which of the following is considered an accessory organ of the skin?
a. arteries
b. lymph nodes
c. motor nerves
d. sensory receptors

What is one reason it is important for cosmetologists to understand the structure and function of the skin?
a. cosmetologists will be able to give their clients the best beauty advice.
b. cosmetologists will be able to diagnose a client’s abnormal skin conditions.
c. cosmetologists will be able to make the best hairstyle decisions.
d. cosmetologists will be able to improve a client’s hair condition.

The outermost and thinnest layer of the skin is the __________.
a. dermis
b. epidermis
c. subcutaneous layer
d. papillary layer

The tiny grains of pigment deposited into cells of the epidermis and dermis are called __________.
a. pheomelanin
b. melanin
c. eumelanin
d. melanocytes

Your client has rosy skin and red hair. What explains this hair color and skin pigment?
a. The client has a eumelanin dominance.
b. The client has had a great deal of lifetime sun exposure.
c. The client has a pheomelanin dominance.
d. The client has very few melanocytes.

Both collagen and elastin are mostly composed of __.
a. skin
b. nerves
c. melanocytes
d. protein

Which of the following is an important function of sudoriferous glands?
a. They regulate body temperature and help eliminate waste products from the body.
b. They lubricate the skin.
c. They keep hair soft.
d. They prevent bacterial infections.

What is the primary difference between collagen and elastin when it comes to the function of each one?
a. Collagen allows skin to be flexible, whereas elastin gives skin its form.
b. Collagen produces protein fibers, whereas elastin produces melanin.
c. Collagen gives skin its form, whereas elastin allows skin to be flexible.
d. Collagen and elastin both function the same way; they both give skin its strength.

What is one way skin protects the body from pathogens?
a. The skin’s sensation function protects the body from pathogens.
b. The skin’s pH of 5.5 protects the body from pathogens.
c. The skin’s ability to regulate heat protects the body from pathogens.
d. The skin’s absorption function protects the body from pathogens.

Cosmetologists need a thorough understanding of skin disorders and diseases because
a. skin disorders and infection always present life-threatening situations and require a lot of attention.
b. cosmetologists are required to dedicate their entire workday to skin care services instead of hair care services.
c. recommending suitable skin care preparations to clients requires complete knowledge of the skin and potential disorders.
d. providing skin care services seldom requires the knowledge of the skin’s structure and common skin problems.

The body’s largest organ is the
a. heart
b. skin
c. liver
d. brain

A closed comedo is
a. also know as a blackhead.
b. a bump just under the surface of the skin that appears when the follicle is not exposed to the environment.
c. a hair follicle filled with keratin and sebum.
d. usually brown in color and appears most frequently in the T-zone, which is the center of the face.

Which of the following is defined as a deficiency in perspiration or the inability to sweat and is often caused by damage to autonomic nerves?
a. telangiectasia
b. miliaria rubra
c. bromhidrosis
d. anhidrosis

Identify an accurate statement about seborrheic dermatitis.
a. It is usually characterized by redness, dry or oily scaling, stubborn dandruff, crusting, and/or itchiness.
b. It produces red, flaky skin that appears behind the ears and on the elbows and knees.
c. It can be cured by applying fatty skin care products.
d. It is extremely contagious.

__ is a chronic condition that mainly appears on the cheeks and nose and is characterized by flushing (redness); in some cases, symptoms may progress to pustular-type breakouts that may look like acne.
a. Milia
b. Anhidrosis
c. Telangiectasia
d. Rosacea

Which of the following is a characteristic of eczema?
a. It is characterized by weeping lesions.
b. It is extremely contagious.
c. It is an eye infection and may be caused by a virus or bacterium.
d. It involves moderate to severe inflammation, scaling, and, occasionally, severe itching.

The __ is a tube-like structure in the skin or scalp that surrounds the hair root and anchors the hair in the skin.
a. hair shaft
b. hair follicle
c. hair cuticle
d. dermal papilla

Which of the following refers to the study of the hair, including its diseases and care?
a. hematology
b. rheumatology
c. trichology
d. podiatry

Cosmetologists should have a thorough understanding of the properties of the hair and scalp because __.
a. they are physicians specialized in a medical branch of science that involves the study of the hair and its structure
b. understanding how the hair structure is formed, and how hairstyling and chemical services alter hair, will lead to safer, smarter services
c. they are responsible for informing clients about the parts of the hair that will be affected by the hair services availed by them
d. they are licensed to diagnose, treat, prescribe, or work on unhealthy hair and scalp

The __ is the fibrous protein layer of the hair.
a. hair follicle
b. hair cuticle
c. medulla
d. cortex

Which of the following statements is true of the hair bulb?
a. It is the living portion of the hair found above the epidermis.
b. It contains living cells that form the hair strand.
c. It produces sebum that lubricates the hair and skin.
d. It is the nonliving part of the hair attached to the hair shaft.

Which of the following is a function of the cortex?
a. It contributes to 50 percent of the hair’s weight.
b. It is responsible for the hair’s strength, elasticity, and color.
c. It contains living cells that form the hair strand.
d. It produces sebum that lubricates the hair and skin.

Which of the following is a reason why cosmetologists should have a thorough understanding of the properties of the hair and scalp?
a. because they are licensed to treat unhealthy hair and scalp and they should be able to do it efficiently
b. because they are required to perform procedures that are listed under a medical license or podiatry license
c. because identifying the differences between common and uncommon hair loss helps them better recommend hair loss treatments to clients
d. because learning about the properties of the hair and scalp is essential in order to diagnose a specific disease or disorder

The __ is an involuntary muscle in the dermis that attaches to the hair follicle.
a. adductor longus muscle
b. deltoid muscle
c. arrector pili muscle
d. soleus muscle

The __ is the innermost layer found in coarse hair and beard hair and is also known as the hair’s pith or core.
a. hair bulb
b. hair cuticle
c. medulla
d. cortex

Identify a true statement about the hair cuticle.
a. It protects the cortex.
b. It is the fibrous protein layer of the hair.
c. It contributes to about 90 percent of the hair’s weight.
d. It is part of the hair root.

If, while using the brush machine, you accidentally drop the equipment into a sink full of water, which of the following should you do?
a. You should quickly unplug the brush machine from the outlet.
b. You should quickly grab the brush out of the sink full of water.
c. You should get everyone out of the salon and call the fire department.
d. You should run over to the circuit breaker panel and shut down all power to the salon.

If you receive a light shock sensation while using an electrical appliance, you should _.
a. unplug the appliance from the wall
b. give the appliance a short break before using it again
c. continue using the appliance with caution
d. attempt to repair the appliance immediately

In order to practice good electrical safety, which of the following should you ALWAYS do?
a. Attempt to clean around electrical outlets while equipment is plugged in.
b. Attempt to repair electrical appliances when they malfunction.
c. Twist electrical cords to protect against a short circuit.
d. Disconnect appliances when they are not in use.

A GFI would MOST likely be required in a(n) _.
a. basement
b. office building
c. bathroom
d. bedroom

A wire that is not large enough to carry the electrical current passing through it will _.
a. save energy
b. not power the device
c. overheat
d. electrocute the user