EXAM 2 (BIO.141) QUESTIONS AND
ANSWERS
Where do you find thick skin - Correct Answers -palms of hands and soles of feet
Where do you find thin skin - Correct Answers -Everywhere except palms/soles
What is the basic anatomical difference between thick and thin skin - Correct Answers -
The number of layers
General layer of skin that undergoes continual mitosis to be replaced every 4 to 6
weeks - Correct Answers -epidermis
specific layer of epidermis where melanocytes first develop - Correct Answers -Stratum
spinosum
phagocytotic cell found in epidermis eating dead cells - Correct Answers -langerhan
cells
specific name of straitified squamous cells in the epidermis that are "water proofers" -
Correct Answers -keratinocytes
what does it mean when the epidermis color is red - Correct Answers -high blood
pressure, burn, imflammation
what does it mean when the epidermis color is blue - Correct Answers -low oxygen
what does it mean when the epidermis color is white - Correct Answers -frost bite,
anemia
what does it mean when the epidermis color is yellow - Correct Answers -jaundice (liver
malfunctions)
what does it mean when the epidermis color is bronze/tan - Correct Answers -adrenal
gland malfunctions (addison's disease)
Name the NT structures that function in light touch/temp/pain sensing embedded in the
dermis - Correct Answers -free nerve endings, dendrites, meissner's corpuscle
T or F: the epidermis is impermeable to all substances like water or fat solubles -
Correct Answers -False
, T or F: sebaceous glands are always associated with hair follicles - Correct Answers -
True
Specific layer of epidermis also termed "water-proofing" layer - Correct Answers -
Stratum Granulosum
specific layer of epidermis that is composed of dead cell membranes - Correct Answers
-Stratum corneum
Name the NT structure that functions in deep touch/pressure in the dermis - Correct
Answers -Pacinian corpuscle
Major functions of the hypodermis - Correct Answers -cushioning, insulating, giving
body shape
what are the other names for hypodermis - Correct Answers -superficial fascia and
subcutaneous layer
general layer of skin composing and contributing to glands, hairs, and nails - Correct
Answers -epidermis
specific tissue of papillary layer in dermis - Correct Answers -L.CT Fen
specific tissue of the reticular layer in the dermis - Correct Answers -DIR.CT
specific tissue of the sebaceous gland adenomere - Correct Answers -S.Cube.Et
specific tissue of the sebaceous gland duct - Correct Answers -St.Cube.Et/St.Col.Et
specific tissue of the sudoriferous gland adenomere - Correct Answers -S.Cube.Et
specific tissue of the sudoriferous gland duct - Correct Answers -St.Col.Et/St.Cube.Et
Specific tissue of arrector pili muscle - Correct Answers -S.MT
Name two substances that give skin and hair color - Correct Answers -melanin and
carotene (Vitamin A( hemoglobin is secondary))
location of eccrine glands on the body - Correct Answers -everywhere *thick and thin*
eccrine gland secretion composition - Correct Answers -water, salt, urea
eccrine gland mode of secretion - Correct Answers -merocrine
eccrine gland span of activity - Correct Answers -whole life
ANSWERS
Where do you find thick skin - Correct Answers -palms of hands and soles of feet
Where do you find thin skin - Correct Answers -Everywhere except palms/soles
What is the basic anatomical difference between thick and thin skin - Correct Answers -
The number of layers
General layer of skin that undergoes continual mitosis to be replaced every 4 to 6
weeks - Correct Answers -epidermis
specific layer of epidermis where melanocytes first develop - Correct Answers -Stratum
spinosum
phagocytotic cell found in epidermis eating dead cells - Correct Answers -langerhan
cells
specific name of straitified squamous cells in the epidermis that are "water proofers" -
Correct Answers -keratinocytes
what does it mean when the epidermis color is red - Correct Answers -high blood
pressure, burn, imflammation
what does it mean when the epidermis color is blue - Correct Answers -low oxygen
what does it mean when the epidermis color is white - Correct Answers -frost bite,
anemia
what does it mean when the epidermis color is yellow - Correct Answers -jaundice (liver
malfunctions)
what does it mean when the epidermis color is bronze/tan - Correct Answers -adrenal
gland malfunctions (addison's disease)
Name the NT structures that function in light touch/temp/pain sensing embedded in the
dermis - Correct Answers -free nerve endings, dendrites, meissner's corpuscle
T or F: the epidermis is impermeable to all substances like water or fat solubles -
Correct Answers -False
, T or F: sebaceous glands are always associated with hair follicles - Correct Answers -
True
Specific layer of epidermis also termed "water-proofing" layer - Correct Answers -
Stratum Granulosum
specific layer of epidermis that is composed of dead cell membranes - Correct Answers
-Stratum corneum
Name the NT structure that functions in deep touch/pressure in the dermis - Correct
Answers -Pacinian corpuscle
Major functions of the hypodermis - Correct Answers -cushioning, insulating, giving
body shape
what are the other names for hypodermis - Correct Answers -superficial fascia and
subcutaneous layer
general layer of skin composing and contributing to glands, hairs, and nails - Correct
Answers -epidermis
specific tissue of papillary layer in dermis - Correct Answers -L.CT Fen
specific tissue of the reticular layer in the dermis - Correct Answers -DIR.CT
specific tissue of the sebaceous gland adenomere - Correct Answers -S.Cube.Et
specific tissue of the sebaceous gland duct - Correct Answers -St.Cube.Et/St.Col.Et
specific tissue of the sudoriferous gland adenomere - Correct Answers -S.Cube.Et
specific tissue of the sudoriferous gland duct - Correct Answers -St.Col.Et/St.Cube.Et
Specific tissue of arrector pili muscle - Correct Answers -S.MT
Name two substances that give skin and hair color - Correct Answers -melanin and
carotene (Vitamin A( hemoglobin is secondary))
location of eccrine glands on the body - Correct Answers -everywhere *thick and thin*
eccrine gland secretion composition - Correct Answers -water, salt, urea
eccrine gland mode of secretion - Correct Answers -merocrine
eccrine gland span of activity - Correct Answers -whole life
