IBEC state exam Questions with Verified
Solutions
Keratin Correct Ans-a protein substance that helps protect the skin against invasion
keratinization Correct Ans-the process of living cells moving upward and changing to dead
calls
the two main zones of the epidermis Correct Ans-1. horny zone
2. germinal zone
horny zone layers Correct Ans-1. stratum corneum
2. stratum lucidium
3. stratum granulosum
(act as a barrier against invasion and water absorption)
stratum corneum Correct Ans-outer most layer of the skin where dead skin cells are
constantly shed
stratum lucidum Correct Ans-second layer of the skin that is transparent due to eleidin and
only on the palms of your hands and soles of your feet
,stratum granulosum (granular layer) Correct Ans-bottom layer of the horny zone. THICKEST
on the soles of the feet and palms of the hands, THINNEST on the eyelids. Forms calluses.
Germinal Zone Layers Correct Ans-1. stratum spinosum
2. stratum germinativum
stratum spinosum Correct Ans-prickle cell layer
stratum germinativum (basal cell layer) Correct Ans-the LOWEST layer of the epidermis, in
contact with the dermis.
cell division (mitosis) occurs here
Stratum Mucosum Correct Ans-the malpighian layer
The Dermis Correct Ans-the living layer or "true skin"
Meissner's Corpuscles Correct Ans-nerve endings sensitive to touch
in the papillary layer
The Reticular Layer Correct Ans-the THICKEST layer of the skin
made of collagen fibers
,Appendages of the Reticular layer Correct Ans-arrector pili muscles
blood vessels
fat cells
hair follicles
lymph vessels
nerve endings
sebaceous glads- oil
sudoriferous glands- sweat
As the blood supply circulates through the skin it... Correct Ans-transports the oxygen-rich
blood and nutrients essential for growth; reproduction; and tissue repair of the skin, hair, and
nails
Lymph glands produce Correct Ans-lymph
lymph Correct Ans-white blood corpuscles and plasma
contains waste products, salts, and nitrogenous wastes
sudoriferous glands Correct Ans-the sweat glands under the control of the sympathetic
nervous system
Apocrine Glands (smelly) Correct Ans-in the pubic and axillary (underarms) area
, excrete pheromones
eccrine glands (everywhere) Correct Ans-all over the body
more in the foreheads, palms of hands, and soles of feet
Sebaceous glands (oil glands) Correct Ans-all over the skin
mainly appendages to the hair follicles and open into the shafts of hair follicles.
more on the scalp, T-zone, and cheeks
produce sebum (oil)
are of the philosebaceous unit
influenced by the endocrine system
most active during puberty
the philosebaceous unit Correct Ans-the hair
arrector pili muscle Correct Ans-an appendage that is attached to the hair follicle
partially responsible for heat regulation
subcutaneous layer (adipose tissue) Correct Ans-a layer of fatty tissue at the base of the
dermis
Solutions
Keratin Correct Ans-a protein substance that helps protect the skin against invasion
keratinization Correct Ans-the process of living cells moving upward and changing to dead
calls
the two main zones of the epidermis Correct Ans-1. horny zone
2. germinal zone
horny zone layers Correct Ans-1. stratum corneum
2. stratum lucidium
3. stratum granulosum
(act as a barrier against invasion and water absorption)
stratum corneum Correct Ans-outer most layer of the skin where dead skin cells are
constantly shed
stratum lucidum Correct Ans-second layer of the skin that is transparent due to eleidin and
only on the palms of your hands and soles of your feet
,stratum granulosum (granular layer) Correct Ans-bottom layer of the horny zone. THICKEST
on the soles of the feet and palms of the hands, THINNEST on the eyelids. Forms calluses.
Germinal Zone Layers Correct Ans-1. stratum spinosum
2. stratum germinativum
stratum spinosum Correct Ans-prickle cell layer
stratum germinativum (basal cell layer) Correct Ans-the LOWEST layer of the epidermis, in
contact with the dermis.
cell division (mitosis) occurs here
Stratum Mucosum Correct Ans-the malpighian layer
The Dermis Correct Ans-the living layer or "true skin"
Meissner's Corpuscles Correct Ans-nerve endings sensitive to touch
in the papillary layer
The Reticular Layer Correct Ans-the THICKEST layer of the skin
made of collagen fibers
,Appendages of the Reticular layer Correct Ans-arrector pili muscles
blood vessels
fat cells
hair follicles
lymph vessels
nerve endings
sebaceous glads- oil
sudoriferous glands- sweat
As the blood supply circulates through the skin it... Correct Ans-transports the oxygen-rich
blood and nutrients essential for growth; reproduction; and tissue repair of the skin, hair, and
nails
Lymph glands produce Correct Ans-lymph
lymph Correct Ans-white blood corpuscles and plasma
contains waste products, salts, and nitrogenous wastes
sudoriferous glands Correct Ans-the sweat glands under the control of the sympathetic
nervous system
Apocrine Glands (smelly) Correct Ans-in the pubic and axillary (underarms) area
, excrete pheromones
eccrine glands (everywhere) Correct Ans-all over the body
more in the foreheads, palms of hands, and soles of feet
Sebaceous glands (oil glands) Correct Ans-all over the skin
mainly appendages to the hair follicles and open into the shafts of hair follicles.
more on the scalp, T-zone, and cheeks
produce sebum (oil)
are of the philosebaceous unit
influenced by the endocrine system
most active during puberty
the philosebaceous unit Correct Ans-the hair
arrector pili muscle Correct Ans-an appendage that is attached to the hair follicle
partially responsible for heat regulation
subcutaneous layer (adipose tissue) Correct Ans-a layer of fatty tissue at the base of the
dermis
