Upgrade to remove ads
Only $35.99/year

Ch. 7: Skin Structure, Growth, & Nutrition

Terms in this set (68)

What is the outermost layer of skin?
A) dermis
B) subcutaneous
C) epidermis
D) adipose
C) epidermis
What is the deepest layer of the epidermis?
A) stratum lucidum
B) stratum spinosum
C) stratum corneum
D) stratum germinativum
D) stratum germinativum
The special cells that produce dark skin pigment are called:
A) elastins
B) tactile corpuscles
C) melanocytes
D) secretory coils
C) melanocytes
The layer of skin that we see when we look at skin is the:
A) stratum spinosum
B) stratum corneum
C) stratum lucidum
D) dermis
B) stratum corneum
The fibrous protein that is the principal component of hair and nails is called:
A) melanin
B) collagen
C) keratin
D) sebum
C) keratin
The _____ is the underlying or inner layer of the skin.
A) dermis
B) arrector pili
C) epidermis
D) adipose
A) dermis
Which layer of the skin supplies the skin with oxygen and nutrients?
A) basal cell layer
B) papillary layer
C) recticular layer
D) subcutaneous tissue
C) recticular layer
Which layer of the dermis houses the nerve endings that are sensitive to touch and pressure?
A) reticular layer
B) subcutaneous layer
C) stratum corneum
D) papillary layer
D) papillary layer
Which of the following is a fibrous protein that gives the skin form and strength?
A) collagen
B) elastin
C) keratin
D) melanin
A) collagen
Which of the following gives skin its flexibility and helps skin regain its shape after being expanded?
A) keratin
B) melanin
C) elastin
D) collagen
C) elastin
The _____ nerve fibers react to heat, cold, touch, pressure, and pain.
A) biogen
B) sensory
C) secretory
D) motor
B) sensory
Which of the following is NOT a function of the skin?
A) absorption
B) protection
C) excretion
D) nutrition
D) nutrition
Tauret, a beauty professional at Greendale Day Spa, is meeting with Cate, a new client. Cate has had several skin issues recently and hopes that Tauret will be able to clear things up and make her skin attractive again.One of Cate's concerns is a callus that has developed on her hand. She asks Tauret what could have caused it. What should Tauret tell her?
A) Calluses are caused by repeated pressure on the skin that cause the skin to thicken.
B) Calluses are caused by a pathogen.
C) Calluses are a normal part of the aging process.
D) Calluses are caused by clogged pores.
A) Calluses are caused by repeated pressure on the skin that cause the skin to thicken.
Tauret notices that Cate has relatively light-colored skin. This means that her body produces:
A) equal amounts of pheomelanin and eumelanin.
B) mostly eumelanin.
C) mostly pheomelanin.
D) no melanin.
C) mostly pheomelanin
When Tauret inspects Cate's skin, she sees a small white bump just under the skin surface and recognizes it as a type of pore impaction. What is Tauret looking at?
A) closed comedo
B) open comedo
C) pustule
D) papule
A) closed comedo
Tauret also notices that Cate has a raised, inflamed papule with a pus-like yellow center. What is Tauret looking at?
A) closed comedo
B) open comedo
C) pustule
D) papule
C) pustule
Drew is getting ready to start his new career as a beauty professional, and knows that he needs to keep his skin healthy and attractive if he expects clients to trust his skin care recommendations. He knows that an important part of maintaining healthy skin is maintaining a healthy diet, so Drew wants to start paying closer attention to his nutrition and his food choices.Drew has heard that the MyPlate program offers guidelines for proper nutrition. Which organization should Drew look up to find information about MyPlate?
A) American Medical Association (AMA)
B) National Institutes of Health (NIH)
C) United States Department of Health and Human Services (HHS)
D) United States Department of Agriculture (USDA)
D) United States Department of Agriculture (USDA)
When planning his meals, Drew should include:
A) whole grain products
B) foods that contain poly unsaturated fat
C) low alcoholic beverages
D) some high-sodium foods
A) whole grain products
As part of his improved diet, Drew has started drinking more water and less sugary drinks. Because of this, he should consider increasing his intake of fresh foods rich in _____, which is a water-soluble vitamin.
A) vitamin K
B) vitamin E
C) vitamin C
D) vitamin A
C) Vitamin C
Based on the results of his recent physical, Drew's doctor suggested that he increase his vitamin E levels. What is the most effective way for Drew to do this?
A) spend more time in the sunlight
B) use creams and lotions containing vitamin E
C) take a vitamin E supplement
D) eat more fresh fruits and vegetables that are high in vitamin E
D) eat more fresh fruits and vegetables that are high in vitamin E
Clare has returned from a week-long vacation and has made an appointment with Donna, an esthetician, for a facial. While examining her skin, Donna notices that Clare has a tan in certain areas on her face and neck. Clare complains that she is beginning to see wrinkles around her mouth and eyes, that the skin on her nose is a bit oily, and that there are dark spots imbedded in the skin.During her examination Donna is observing Clare's:
A) reticular layer
B) dermis
C) papillary layer
D) epidermis
D) epidermis
Clare's tan is a result of the effect of ultraviolet light increasing the amount of ___ in her skin.
A) stratum granulosum
B) melanin
C) stratum lucidum
D) keratin
B) melanin
What is causing Clare's wrinkles?
A) too much collagen and elastin strength.
B) poor nutrition.
C) loss of collagen and elastin strength.
D) laughing too much.
C) loss of collagen and elastin strength.
Which nerves are responsible for Clare's nose being oily?
A) secretory nerve fibers
B) elastin nerve fibers
C) sensory nerve fibers
D) motor nerve fibers
A) secretory nerve fibers
What is the medical branch of science that deals with the study of skin?
A) neurology
B) osteology
C) dermatology
D) cardiology
C) dermatology
The specialist who provides cleansing treatments for the skin is a(n):
A) manicurist
B) esthetician
C) pedicurist
D) dermatologist
B) esthetician
If the skin of an average adult were stretched out, it would cover more than how many square inches?
A) 5,000
B) 1,500
C) 2,000
D) 3,000
D) 3,000
What is NOT a characteristic of healthy skin?
A) rigid
B) slightly moist
C) fine-grained texture
D) soft​
A) rigid
The surface of healthy skin should:
A) be slightly alkaline
B) have a neutral pH
C) be highly acidic
D) be slightly acidic
D) be slightly acidic
Continued, repeated pressure on any part of the skin can cause it to thicken and develop into a:
A) callus
B) pustule
C) comedo
D) papule
A) callus
The outermost layer of the skin is the:
A) papillary
B) dermis
C) reticular
D) epidermis
D) epidermis
The horny layer, or outer covering of the epidermis, is the:
A) stratum corneum
B) stratum germinativum
C) stratum granulosum
D) stratum spinosum
A) stratum corneum
What is the principal component of hair and nails?
A) elastin
B) collagen
C) keratin
D) melanin
C) keratin
The clear, transparent skin layer just under the surface through which light passes is the:
A) stratum corneum
B) stratum granulosum
C) stratum lucidum
D) stratum germinativum
C) stratum lucidum
Which layer of the epidermis is also known as the basal cell layer?
A) stratum granulosum
B) stratum germinativum
C) stratum corneum
D) stratum spinosum​
B) stratum germinativum
Where are the melanocytes located?
A) stratum corneum
B) stratum lucidum
C) stratum germinativum
D) stratum granulosum
C) stratum germinativum
The pigment produced to protect the skin from the effects of ultraviolet sun rays is called:
A) elastin
B) keratin
C) collagen
D) melanin
...
The layer of the skin commonly called the true skin is the:
A) stratum germinativum
B) epidermis
C) dermis
D) stratum granulosum
C) dermis
The muscles that can cause goose bumps are called the _____ muscles.
A) papillary
B) sensory
C) arrector pili
D) excretory
C) arrector pili
What are the two layers of the dermis?
A) reticular and subcutaneous
B) papillary and reticular
C) reticular and tactile
D) papillary and subcutaneous
B) papillary and reticular
The small, cone-shaped elevations at the bottom of hair follicles are called the:
A) melanocytes
B) tactile corpuscles
C) dermal papillae
D) sebaceous glands​
C) dermal papillae
Nerve endings that are sensitive to touch and pressure are found in which layer of the skin?
A) reticular layer
B) stratum corneum
C) stratum lucidum
D) papillary layer
D) papillary layer
The epidermal-dermal junction is located at the top of the _____ layer.
A) papillary
B) stratum spinosum
C) stratum lucidum
D) reticular​
A) papillary
The deepest layer of the dermis that supplies oxygen and nutrients to the skin is the:
A) stratum germinativum
B) reticular layer
C) papillary layer
D) subcutaneous layer​
B) reticular layer
Subcutaneous tissue does all of the following EXCEPT:
A) acts as a protective cushion for the skin
B) gives smoothness and contour to the body
C) produces melanin
D) contains fats for use as energy
C) produces melanin
Nutrients and oxygen are supplied to the skin by:
A) papules
B) lymph
C) pustules
D) blood
D) blood
The clear fluid that bathes skin cells, removes toxins and cellular waste, and has immune functions is called:
A) adipose
B) lymph
C) collagen
D) blood
B) lymph
Impulses are carried from the brain to the muscles by _____ nerve fibers.
A) passive
B) motor
C) sensory
D) secretory
C) sensory
​Which nerve fibers react to heat, cold, touch, pressure, and pain?
​A) passive
​B) motor
​C) sensory
​D) secretory
C) sensory
The nerve fibers that regulate the excretion of perspiration are the:
A) passive
B) motor
C) sensory
D) secretory
D) secretory
Skin color depends on tiny grains of pigment, or coloring matter, called:
A) papule
B) collagen
C) melanin
D) sebum
C) melanin
The red to yellow melanin produced by the body is:
A) eumelanin
B) primary melanin
C) secondary melanin
D) pheomelanin
D) pheomelanin
People with dark-colored skin mostly produce:
A) secondary melanin
B) eumelanin
C) pheomelanin
D) primary melanin
B) eumelanin
The fibrous protein that gives skin form and strength is:
A) keratin
B) elastin
C) pheomelanin
D) collagen
D) collagen
The protein base that helps skin regain its shape after being stretched or expanded is called:
A) elastin
B) keratin
C) melanin
D) collagen
A) elastin
A majority of scientists now believe that most signs of skin aging are caused by:
A) chronic illness
B) smoking
C) sun exposure
D) poor diet
C) sun exposure
The sudoriferous glands:
A) are found primarily on the scalp
B) are also known as oil glands​
C) detoxify the body​
D) excrete sebum
...
On which body part are sudoriferous glands more numerous?
A) forehead
B) neck
C) ankles
D) back of the hands
A) forehead
Normally, how many pints of salt-containing liquids are eliminated daily through sweat pores in the skin?
A) more than 5
B) 1 to 2
C) 2 to 3
D) 3 to 4
B) 1 to 2
What is the oily secretion that lubricates the skin and preserves the softness of the hair?
A) elastin
B) sebum
C) perspiration
D) collagen
B) sebum
When sebum hardens and completely clogs an oil duct so that there are no surface follicle openings, it creates a(n):
A) closed comedo
B) callus
C) melanocyte
D) open comedo
D) open comedo
Which skin disorder is characterized by chronic inflammation of the sebaceous glands from retained secretions?
A) nevus
B) rosacea
C) psoriasis
D) acne
D) acne
What is NOT one of the principal functions of the skin?
​A) digestion
B) sensation
C) excretion​
D) heat regulation​
A) digestion
Which vitamin is vital in fighting the aging process and promoting the production of collagen?
A) vitamin A
B) vitamin C
C) vitamin D
D) vitamin E
B) vitamin C
​The body needs _____ for many body functions, including hormones and sebum production.
A) ​proteins
​B) carbohydrates
​C) fats
​D) minerals
C) fats
​The National Institute of Health (NIH) recommends a diet that is low in:
​A) grains
​B) saturated fat
​C) salt
​D) water
B) saturated fats
​Which vitamin helps protect the skin from the harmful effects of the sun's UV light?
​A) vitamin E
​B) vitamin A
​C) vitamin C
​D) vitamin D
A) vitamin E
A(n) _____ is a raised, inflamed papule with a white or yellow center containing pus.​
​A) pimple
​B) open comedo
​C) closed comedo
​D) pustule
D) pustule
Students also viewed