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The medical branch of science that deals with the study of skin, its functions, diseases and treatments is:

A. histology
B. dermatology
C. elasticity
D. dermis



The largest living organ of the body is the:

A. lungs
B. heart
C. skin
D. neck



Healthy skin is slightly moist, soft and flexible with a texture that is:

A. soft and large pores
B. smooth and fine-grained
C. smooth and non-acidic
D. rough and acidic

smooth and fine-grained


Continued pressure on any part of the skin ca cause it to thicken and develop a:

A. callus
B. infection
C. rash
D. psoriasis



Appendages of the skin include hair, nails and:

A. oil and dirt glands
B. sweat and keratin glands
C. sweat and oil glands
D. oil and pore glands

sweat and oil glands


The skin structure is generally thinnest on the:

A. nose
B. hands
C. eyebrows
D. eyelids



The skin on the scalp has larger and deeper:

A. nerve endings
B. hair follicles
C. keratins layers
D. blood vessals

hair follicles


The outmost layer of the skin is also called the:

A. epidermis layer
B. dermal layer
C. thinnest Layer
D. second layer

epidermis layer


The stratum germinativum is the deepest layer of the epidermis and is responsible for:

A. growth of the epidermis
B. strength of the epidermis
C. nerve endings in the epidermis
D. sweat and oil glands

growth of the epidermis


The dark special cells that protect sensitive cells and provide color to the skin are:

A. reticular
B. melanocytes
C. dermis
D. keratin



The granular layer of the skin is also called the:

A. stratum granulosum layer
B. stratus melanocytes layer
C. protective layer
D. adipose tissue layer

stratum granulosum layer


The outermost layer of the epidermis is the:

A. fiber protein
B. stratum corneum
C. lipids layer
D. second layer

stratum corneum


A fiber protein that is the principal component of hair and nails is:

A. keratin
B. melanin
C. sebum
D. subcutis



The deepest layer of the epidermis is the:

A. horny layer
B. stratum germinativum
C. stratum papillae
D. clear layer

stratum germinativum


The clear transparent layer under the skin surface is the:

A. subcutaneous tissue
B. stratum corneum
C. stratum lucidum
D. nerve cells

stratum lucidum


Cells that are almost dead and pushed to the surface to replace cells are shed from the:

A. follicles
B. stratum lucidum layer
C. fatty skin layer
D. stratum granulosum layer

stratum granulosum layer


The underlying or inner layer of the skin is the:

A. dermis layer
B. epidermis layer
C. keratin layer
D. basal layer

dermis layer


The outermost layer, directly beneath the epidermis, is the:

A. clear layer
B. dermal layer
C. papillary layer
D. elastin layer

papillary layer


The deepest layer of the dermis that supplies the skin with oxygen and nutrients and contains sweat and oil glands is the:

A. regular layer
B. reticular layer
C. subcutis layer
D. highly sensitive layer

reticular layer


Tissue that gives smoothness and contour to the body and provides a protective cushion is:

A. subcutaneous tissue
B. sweat pores
C. epidermis
D. basal cell layer

subcutaneous tissue


The clear fluid that removes toxins and cellular waste and has immune functions is:

A. blood
B. nerves
C. corpuscles
D. lymph



Motor nerve fibers attached to the hair follicle that can cause goose bumps are the:

A. arrector pili muscle
B. body temperature
C. sebum
D. melanin

arrector pili muscle


Nerves that regulate the secretion of perspiration and sebum are:

A. sweat pores
B. melanocytes
C. secretory nerve fibers
D. tactile corpuscles

secretory nerve fibers


Basic sensations such as touch, pain, heat, cold and pressure are registered by:

A. nerve fundus
B. nerve endings
C. light
D. fear

nerve endings


The amount and type of pigment produced by an individual is determined by:

A. sun
B. blood
C. genes
D. age



Two types of melanin produced by the body are:

A. brown and basal melanin
B. keratin and elastin
C. light and red melanin
D. pheomelanin and eumelanin

pheomelanin and eumelanin


Skin gets its strength, form and flexibility from flexible fibers found within the:

A. dermis layer
B. epidermis layer
C. true skin
D. scarf skin

dermis skin


The fibrous protein that gives skin its form and strength is:

A. granular
B. melanin
C. elastin
D. collagen



The sudoriferous glands help the body regulate:

A. dryness
B. emotions
C. temperature
D. blood



A tubelike duct that ends at the skin surface to form the sweat pore is the:

A. arrector pili
B. secretory coil
C. follicle
D. papilla

secretory coil