BIOD 103 CERTIFICATION EXAM MODULE 3
WITH CORRECT ANSWERS
What are sebaceous glands? What is their
function? - answer-Sebaceous glands are oil-
secreting glands in the skin. Their function is to
secrete sebum to lubricate the hair and the nails
What is the primary organ of the integumentary
system? - answer-the skin
Name the four functions of the skin - answer-
The four functions of the skin are protection,
sensation, secretion, and temperature
regulation
What are the 5 layers of the epidermis? -
answer-stratum germinativum, stratum
spinosum, stratum granulosum, stratum
lucidum, and stratum corneum
,What are the two layers of the skin? - answer-
epidermis and dermis
What is the protein that makes up the majority of
hair and nails? - answer-keratin
What gives the skin its pigment? - answer-
melanin
What are Langerhans cells, and what is their
function? - answer-Langerhans cells are cells of
the immune system that are found in the stratum
spinosum of the epidermis. Their function is to
protect the body from invading microorganisms
What accessory structures of the
integumentary system are found in the dermis? -
answer-Hair, sebaceous glands, and sweat
glands
What are the parts of the hair? Where can hair
be found? What is the function of the arrector
, pili muscle? - answer-The hair is made up of the
root growing out of the hair follicle and the shaft
which is the visible portion of the hair. Hair can
be found all over the body except for the lips,
palms and soles, and the penis.
The function of the arrector pili muscle is to
contract in reaction to cold or an emotion to
form goosebumps
Where are nails found? What are they made of?
What is the function of the nail? What are the
sections of the nail? What is the eponychium?
What is the lunula? - answer-Nails are found on
the ends of the fingers and toes. They are made
of keratin. The function of the nail is for
protection for the tips of the fingers and toes.
The sections of the nail are the root and the nail
bed. The eponychium is a fold of epithelial
tissue over the base of the nail body.
WITH CORRECT ANSWERS
What are sebaceous glands? What is their
function? - answer-Sebaceous glands are oil-
secreting glands in the skin. Their function is to
secrete sebum to lubricate the hair and the nails
What is the primary organ of the integumentary
system? - answer-the skin
Name the four functions of the skin - answer-
The four functions of the skin are protection,
sensation, secretion, and temperature
regulation
What are the 5 layers of the epidermis? -
answer-stratum germinativum, stratum
spinosum, stratum granulosum, stratum
lucidum, and stratum corneum
,What are the two layers of the skin? - answer-
epidermis and dermis
What is the protein that makes up the majority of
hair and nails? - answer-keratin
What gives the skin its pigment? - answer-
melanin
What are Langerhans cells, and what is their
function? - answer-Langerhans cells are cells of
the immune system that are found in the stratum
spinosum of the epidermis. Their function is to
protect the body from invading microorganisms
What accessory structures of the
integumentary system are found in the dermis? -
answer-Hair, sebaceous glands, and sweat
glands
What are the parts of the hair? Where can hair
be found? What is the function of the arrector
, pili muscle? - answer-The hair is made up of the
root growing out of the hair follicle and the shaft
which is the visible portion of the hair. Hair can
be found all over the body except for the lips,
palms and soles, and the penis.
The function of the arrector pili muscle is to
contract in reaction to cold or an emotion to
form goosebumps
Where are nails found? What are they made of?
What is the function of the nail? What are the
sections of the nail? What is the eponychium?
What is the lunula? - answer-Nails are found on
the ends of the fingers and toes. They are made
of keratin. The function of the nail is for
protection for the tips of the fingers and toes.
The sections of the nail are the root and the nail
bed. The eponychium is a fold of epithelial
tissue over the base of the nail body.
