BIOD 103 Medical Terminology And Abbreviations
Exam Questions and Correct Answers 2025/2026
integument Correct Answer - the covering membrane of the
body (aka the skin) - includes accessory structures of the nails, hair,
sebaceous glands & sweat glands
integ/o Correct Answer - meaning "to cover"
dermatology Correct Answer - area of medicine that specializes
in the study of skin and skin disorders
skin Correct Answer - primary (and largest) organ of the
integumentary system
3,000+ in^2 (up to ~6 lbs)
what are the functions of the skin? Correct Answer - protection,
temperature regulation, secretion, and sensation
protection Correct Answer - prevents bacteria & viruses from
invading deep tissue
guards body from too much UV ray exposure
prevents mechanical injury
prevents excessive water loss & stores food and water
regulation Correct Answer - when body temperature rises,
blood vessels in the skin dilate, allowing more blood to rush closer
,to the skins' surface - this leads to heat radiating out from the body
(opposite when cold - moves blood towards core of body)
sweat glands also aid in evaporation of sweat & cooling
sensation Correct Answer - skin contains millions of nerve
endings which sense pain, touch, heat, cold, and pressure
secretion Correct Answer - sweat glands release sweat
sebaceous glands release sebum
what is sweat made out of? Correct Answer - water, salt & other
chemicals
what is sebum? Correct Answer - oily-substance that prevents
dehydration by lubricating the skin and hair
what are the two layers of the skin? Correct Answer - epidermis
(outer) and dermis (inner)
epidermis Correct Answer - outer layer of the skin with five
layers:
stratum germinativum
stratum spinosum
stratum granulosum
stratum lucidum
stratum corneum
*not every layer is present in ALL parts of the body
stratum germinativum Correct Answer - deepest layer of the
skin
, where new skin cells are generated
contains melanin
what is melanin? Correct Answer - skin-coloring pigment found
in the stratum germinativum
stratum spinosum Correct Answer - meaning "spiny layer"
layer where new cells are pushed up to after being generated
contains Langerhans cells
Langerhans cells Correct Answer - immune system cells that
function to protect the skin from invading microorganisms
stratum granulosum & stratum lucidum Correct Answer - layers
of the skin majorly composed by keratin
what is keratin? Correct Answer - protein that forms the hair,
skin, nails, and thick skin of the palms & soles
stratum corneum Correct Answer - outermost, superficial layer
of the skin
mostly made up of dead skin cells, which protect the deeper layers
dermis Correct Answer - innermost, deep layer of the skin
made up of connective tissue
contains the nerves, nerve endings, blood vessels, sebaceous glands,
sweat glands, elastic fibers, hair follicles, and lymphatics
Exam Questions and Correct Answers 2025/2026
integument Correct Answer - the covering membrane of the
body (aka the skin) - includes accessory structures of the nails, hair,
sebaceous glands & sweat glands
integ/o Correct Answer - meaning "to cover"
dermatology Correct Answer - area of medicine that specializes
in the study of skin and skin disorders
skin Correct Answer - primary (and largest) organ of the
integumentary system
3,000+ in^2 (up to ~6 lbs)
what are the functions of the skin? Correct Answer - protection,
temperature regulation, secretion, and sensation
protection Correct Answer - prevents bacteria & viruses from
invading deep tissue
guards body from too much UV ray exposure
prevents mechanical injury
prevents excessive water loss & stores food and water
regulation Correct Answer - when body temperature rises,
blood vessels in the skin dilate, allowing more blood to rush closer
,to the skins' surface - this leads to heat radiating out from the body
(opposite when cold - moves blood towards core of body)
sweat glands also aid in evaporation of sweat & cooling
sensation Correct Answer - skin contains millions of nerve
endings which sense pain, touch, heat, cold, and pressure
secretion Correct Answer - sweat glands release sweat
sebaceous glands release sebum
what is sweat made out of? Correct Answer - water, salt & other
chemicals
what is sebum? Correct Answer - oily-substance that prevents
dehydration by lubricating the skin and hair
what are the two layers of the skin? Correct Answer - epidermis
(outer) and dermis (inner)
epidermis Correct Answer - outer layer of the skin with five
layers:
stratum germinativum
stratum spinosum
stratum granulosum
stratum lucidum
stratum corneum
*not every layer is present in ALL parts of the body
stratum germinativum Correct Answer - deepest layer of the
skin
, where new skin cells are generated
contains melanin
what is melanin? Correct Answer - skin-coloring pigment found
in the stratum germinativum
stratum spinosum Correct Answer - meaning "spiny layer"
layer where new cells are pushed up to after being generated
contains Langerhans cells
Langerhans cells Correct Answer - immune system cells that
function to protect the skin from invading microorganisms
stratum granulosum & stratum lucidum Correct Answer - layers
of the skin majorly composed by keratin
what is keratin? Correct Answer - protein that forms the hair,
skin, nails, and thick skin of the palms & soles
stratum corneum Correct Answer - outermost, superficial layer
of the skin
mostly made up of dead skin cells, which protect the deeper layers
dermis Correct Answer - innermost, deep layer of the skin
made up of connective tissue
contains the nerves, nerve endings, blood vessels, sebaceous glands,
sweat glands, elastic fibers, hair follicles, and lymphatics
