Integumentary Test
This quiz is about the skin. Just a test to help study.
- 1.
The two functional components of the integument include
- A.
Dermis and Epidermis
- B.
Hair and Skin
- C.
Cutaneous membrane and accessory structures
- D.
Elastin and Keratin
Correct Answer
C. Cutaneous membrane and accessory structures -
- 2.
Regulating heat exchange with the environment is the mechanism that the skin uses to
- A.
Maintain normal body temperature
- B.
Prevent excessive loss of body fluids
- C.
Maintain large reserves of lipids
- D.
Transmit information to the nervous system
Correct Answer
A. Maintain normal body temperature -
- 3.
The structures of the integumentary system involved in protection is(are)
- A.
Hair
- B.
Skin
- C.
Nails
- D.
All of the above
Correct Answer
D. All of the above -
- 4.
Receptors in the skin represent the
- A.
Method by which body temperature is maintained
- B.
Release of chemicals from metabolism
- C.
Areas of synthesis and storage of nutrients
- D.
Link between the integument and the nervous system
Correct Answer
D. Link between the integument and the nervous system -
- 5.
The layers of the epidermis, beginning with the deepest layer and proceeding outwardly, include the strata
- A.
Corneum, granulosum, spinosum, germinativum
- B.
Granulosum, spinosum, germinativum, corneum
- C.
Spinosum, germinativum, corneum, granulosum
- D.
Germinativum, spinosum, granulosum, corneum
Correct Answer
D. Germinativum, spinosum, granulosum, corneum -
- 6.
Stem cells and melanocytes dominate the stratum germinativum, making it the layer where
- A.
New cells are generated and skin colors are synthesized
- B.
The protein keratin produces cornified cells
- C.
Dead epithelial cells accumulate in large amounts
- D.
The cells are flattened, densely packed, and filled with keratin
Correct Answer
A. New cells are generated and skin colors are synthesized -
- 7.
Epidermal cells in the stratum spinosum and stratum germinativum function as chemical factories in that they convert
- A.
Steroid precursors to vitamin D when exposed to sunlight
- B.
Eleidin to keratin
- C.
Keratohyalin to eleidin
- D.
A and c only
Correct Answer
A. Steroid precursors to vitamin D when exposed to sunlight -
- 8.
The two pigments contained in the epidermis in variable amounts are
- A.
Melanin and keratin
- B.
Carotene and keratin
- C.
Vitamin D and melanin
- D.
Carotene and melanin
Correct Answer
D. Carotene and melanin -
- 9.
Differences in skin color among individuals reflect
- A.
Numbers of melanocytes
- B.
Melanocyte distribution patterns
- C.
Levels of melanin synthesis
- D.
UV responses and nuclear activity
Correct Answer
C. Levels of melanin synthesis -
- 10.
Dermal blood supply and epidermal pigmentation are the two basic factors interacting to
- A.
Produce melanocytes and provide skin coloration
- B.
Provide oxygen and carbon dioxide for skin respiration
- C.
Produce skin pigments and avoid albinism
- D.
Produce skin color
Correct Answer
D. Produce skin color -
- 11.
Some people only "burn" when exposed to the sun. The reason they don't tan is that
- A.
They do not have a gene for tanning
- B.
Their melanocytes are inactive
- C.
They don't have a sufficient number of melanocytes
- D.
All of the above are true
Correct Answer
B. Their melanocytes are inactive -
- 12.
Albinos have
- A.
No melanocytes
- B.
Fewer melanocytes than non-albinos
- C.
The same number of melanocytes as non-albinos
- D.
Overactive melanocytes
Correct Answer
C. The same number of melanocytes as non-albinos -
- 13.
Cooling the surface of the skin and producing perspiration is the primary function of
- A.
Ceruminous gland activity
- B.
Sebaceous gland activity
- C.
Apocrine gland activity
- D.
Merocrine gland activity
Correct Answer
D. Merocrine gland activity -
- 14.
If body temperature drops below normal, heat is conserved by _______________ in the diameter of dermal blood vessels
- A.
An increase
- B.
No change
- C.
A decrease
- D.
None of the above are correct
Correct Answer
D. None of the above are correct -
- 15.
When body temperature becomes abnormally high, thermoregulatory homeostasis is maintained by
- A.
An increase in sweat gland activity and blood flow to the skin
- B.
A decrease in blood flow to the skin and sweat gland activity
- C.
An increase in blood flow to the skin and a decrease in sweat gland activity
- D.
An increase in sweat gland activity and a decrease in blood flow to the skin
Correct Answer
A. An increase in sweat gland activity and blood flow to the skin -
- 16.
Excessive perspiration to maintain normal body temperature may cause
- A.
Excessive secretion of sebum by sebaceous glands
- B.
Dangerous fluid and electrolyte losses
- C.
The apocrine glands to discharge a sticky, cloudy, odorous secretion
- D.
All of the above are correct
Correct Answer
B. Dangerous fluid and electrolyte losses -
- 17.
Perspiration (or sweat) produced by eccrine sweat glands consists of
- A.
50 percent water, 1 percent sebum, 40 percent wastes, and 9 percent nutrients
- B.
90 percent water, 5 percent electrolytes, and 5 percent wastes and nutrients
- C.
1 percent sebum, 9 percent wastes and nutrients, and 90 percent water
- D.
99 percent water, and 1 percent electrolytes, organic nutrients, and wastes
Correct Answer
D. 99 percent water, and 1 percent electrolytes, organic nutrients, and wastes -
- 18.
Melanin prevents skin damage due to UV light by
- A.
Covering and protecting the epidermal layers
- B.
Absorbing UV light
- C.
Protecting the nuclei of epidermal cells
- D.
B and c are correct
Correct Answer
D. B and c are correct -
- 19.
Excessive exposure to UV light may damage
- A.
Cellular DNA, resulting in mutations
- B.
Connective tissue and cause wrinkling
- C.
Chromosomes and cause cancer
- D.
All of the above
Correct Answer
C. Chromosomes and cause cancer -
- 20.
Excessive exposure to UV light may cause
- A.
A decrease in the number of melanocytes.
- B.
An increase in the number of melanocytes
- C.
A decrease in vitamin D production
- D.
Damage to the DNA in cells in the stratum germinativum
Correct Answer
D. Damage to the DNA in cells in the stratum germinativum -
- 21.
Accessory structures of the skin include
- A.
The dermis, epidermis, hypodermis, subcutaneous layer, and hair follicles
- B.
A cutaneous and subcutaneous layer, dermis, epidermis, and hair
- C.
Hair, hair follicles, sebaceous glands, sweat glands, and nails
- D.
Blood vessels, macrophages, neurons, hair papillae, and the cuticle
Correct Answer
C. Hair, hair follicles, sebaceous glands, sweat glands, and nails -
- 22.
Hairs are best described as
- A.
Living structures that are produced in the dermis and extend into the epidermis
- B.
Nonliving epithelial cells that undergo keratinization and die
- C.
Living structures containing a cortex and medulla
- D.
Nonliving structures produced in organs called hair follicles
Correct Answer
D. Nonliving structures produced in organs called hair follicles -
- 23.
The sensitivity mechanism in hair follicles that provides an early warning system that may help prevent injury is the presence of a
- A.
Cortex and medulla making up the core of the hair
- B.
Cuticular surface layer of cells
- C.
Sensory nerve fiber associated with the base of each hair follicle
- D.
Hairs are nonliving; there is no sensitivity mechanism
Correct Answer
C. Sensory nerve fiber associated with the base of each hair follicle -
- 24.
Natural body odor is produced by the ___________________ glands
- A.
Apocrine
- B.
Eccrine
- C.
Sebaceous
- D.
Sweat
Correct Answer
A. Apocrine -
- 25.
During adolescence, the sebaceous glands are especially prone to
- A.
Producing excessive perspiration while sweating
- B.
Developing acne
- C.
Causing redness of the skin due to blood vessel dilation
- D.
All the above are correct
Correct Answer
B. Developing acne -
- 26.
Other types of modified sweat glands with specialized secretions are
- A.
Holocrine glands and sudoriferous glands
- B.
Mammary glands and ceruminous glands
- C.
Merocrine glands and eccrine glands
- D.
Endocrine and exocrine glands
Correct Answer
B. Mammary glands and ceruminous glands -
- 27.
Hair production begins at the
- A.
Reticular layer of the dermis
- B.
Papillary layer of the dermis
- C.
Hypodermis
- D.
Base of a hair follicle
Correct Answer
D. Base of a hair follicle -
- 28.
Except for red hair, the natural factor responsible for various shades of hair color is
- A.
The number of melanocytes
- B.
The amount of carotene production
- C.
The type of pigment present
- D.
All of the above
Correct Answer
C. The type of pigment present -
- 29.
The development of gray hair is due to the
- A.
Death of hair follicles
- B.
Production of air bubbles in the hair
- C.
Production of gray pigments
- D.
Reduction of melanocyte activity
Correct Answer
C. Production of gray pigments -
- 30.
The various types of hair are due to the
- A.
Arrector pili
- B.
Follicles
- C.
Hair papilla
- D.
Melanocytes
Correct Answer
B. Follicles -
- 31.
The shaft of the hair is stiff due to the presence of a protein substance called
- A.
Elastin
- B.
Collagen
- C.
Keratin
- D.
Vellus
Correct Answer
C. Keratin -
- 32.
The fine "peach fuzz" hairs formed over much of the body surface are called
- A.
Vellus
- B.
Lunula
- C.
Arrector pili
- D.
Eccrines
Correct Answer
A. Vellus -
- 33.
The immediate response by the skin to an injury is that
- A.
Bleeding occurs, and mast cells trigger an inflammation response
- B.
The epidermal cells are immediately replaced
- C.
Fibroblasts in the dermis create scar tissue
- D.
A scab is formed
Correct Answer
A. Bleeding occurs, and mast cells trigger an inflammation response -
- 34.
The practical limit to the healing process in the skin is the formation of inflexible, fibrous, noncellular
- A.
Scabs
- B.
Skin gafts
- C.
Ground substance
- D.
Scar tissue
Correct Answer
D. Scar tissue -
- 35.
The appearance of blisters and very painful sensations is indicative of
- A.
A first degree burn
- B.
A second degree burn
- C.
A third degree burn
- D.
None of the above
Correct Answer
B. A second degree burn -
- 36.
The granulation tissue that appears during the healing process is a combination of
- A.
A scab, fibrin, and macrophages
- B.
A keloid, a blood clot, and newly arriving phagocytes
- C.
A blood clot, fibroblasts, and an extensive capillary network
- D.
Macrophages, fibroblasts, pathogens, and phagocytes
Correct Answer
C. A blood clot, fibroblasts, and an extensive capillary network -
- 37.
An essential part of the healing process during which the edges of a wound are pulled closer together is called
- A.
Cyanosing
- B.
Regressing
- C.
Regeneration
- D.
Contraction
Correct Answer
D. Contraction -
- 38.
Dangerously high body temperatures occur sometimes in the elderly due to
- A.
Reduction in the number of Langerhan cells
- B.
Decreased blood supply to the dermis
- C.
Decreased sweat gland activity
- D.
B and c only
Correct Answer
D. B and c only -
- 39.
A factor that causes increased skin damage and infection in the elderly is
- A.
Decreased sensitivity of the immune system
- B.
Decreased vitamin D production
- C.
A decline in melanocyte activity
- D.
A decline in glandular activity
Correct Answer
A. Decreased sensitivity of the immune system -
- 40.
Hair turns gray or white due to
- A.
A decline in glandular activity
- B.
A decrease in the number of Langerhan cells
- C.
Decreased melanocyte activity
- D.
Decreased blood supply to the dermis
Correct Answer
C. Decreased melanocyte activity -
- 41.
Sagging and wrinkling of the integument results from
- A.
A decline of germinativum cell activity in the epidermis
- B.
A decrease in the elastic fiber network of the dermis
- C.
A decrease in Vitamin D production
- D.
Deactivation of sweat glands
Correct Answer
B. A decrease in the elastic fiber network of the dermis -
- 42.
Choose the term that does not belong in each of the following groups
- A.
Protection
- B.
Fat storage
- C.
Excretion
- D.
Secretion
- E.
Cutaneous
Correct Answer
E. Cutaneous -
- 43.
Choose the term that does not belong in each of the following groups
- A.
Dermis
- B.
Germinativum
- C.
Spinosum
- D.
Granulosum
- E.
Lucidum
Correct Answer
A. Dermis -
- 44.
Choose the term that does not belong in each of the following groups
- A.
Touch
- B.
Pain
- C.
Secretion
- D.
Pressure
- E.
Temperature
Correct Answer
C. Secretion -
- 45.
Choose the term that does not belong in each of the following groups
- A.
Hair follicles
- B.
Melanocytes
- C.
Sebaceous glands
- D.
Sweat glands
- E.
Nails
Correct Answer
B. Melanocytes -
- 46.
Choose the term that does not belong in each of the following groups
- A.
Protect
- B.
Cushion
- C.
Stabilize
- D.
Insulate
- E.
Guard
Correct Answer
C. Stabilize -
- 47.
Choose the term that does not belong in each of the following groups
- A.
Sebaceous
- B.
Holocrine
- C.
Acne
- D.
Sebum
- E.
Apocrine
Correct Answer
E. Apocrine -
- 48.
Choose the term that does not belong in each of the following groups
- A.
Apocrine
- B.
Merocrine
- C.
Sebaceous
- D.
Eccrine
- E.
Sweat
Correct Answer
C. Sebaceous -
- 49.
Choose the term that does not belong in each of the following groups
- A.
Cuticle
- B.
Arrector pili
- C.
Lunula
- D.
Nail root
- E.
Eponychium
Correct Answer
B. Arrector pili -
- 50.
Choose the term that does not belong in each of the following groups
- A.
Increased immunity
- B.
Dry skin
- C.
Gray hair
- D.
Wrinkling
- E.
Weak muscles
Correct Answer
A. Increased immunity -
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Jan 09, 2013Quiz Edited by
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Dec 09, 2009Quiz Created by
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