Bio 168 -Chapter 5 Integumentary Exam Questions and Answers With Verified
Solutions 2025
Organ - ✔✔Two or more kinds of tissues grouped together and performing specialized functions
Layers of the Skin - ✔✔1. Epidermis
2.Dermis
3.Hypodermis
Epidermis - ✔✔-Outermost layer of skin
-Avascular
-Keratinized
-Thickest on palms and soles
-Stratified squamous epithelium
Layers of the Epidermis - ✔✔1. Stratum Corneum
2. Stratum Lucidum
3. Stratum Granulosum
4. Stratum Spinosum
5. Stratum Basale
Come Lets Get Some Bread
Stratum Corneum - ✔✔Outermost layer of epidermis
no nucleus
Stratum Lucidum - ✔✔2nd layer of epidermis
On palms and soles
Stratum Granulosum - ✔✔3rd layer of epidermis
, Shriveled nucleus
Stratum Spinosum - ✔✔4th layer of epidermis
large oval nucleus
Stratum Basale - ✔✔Deepest Layer of epidermis
Nice, Round nucleus
contains the melanocytes
Factors of skin color - ✔✔-Environmental
-Genetic
-Physiological
Genetic Factors - ✔✔varying amounts of melanin
varying size of melanin granules
Physiological factors - ✔✔Jaundice
Accumulation of carotene
dilation of blood vessels/constriction of blood vessels
Environmental Factors - ✔✔Sunlight
Sunlamp/tanning bed
x-rays
Dermis - ✔✔Binds epidermis to underlying tissue
contains dermal papillae
20% is papillary layer
80% reticular layer
Solutions 2025
Organ - ✔✔Two or more kinds of tissues grouped together and performing specialized functions
Layers of the Skin - ✔✔1. Epidermis
2.Dermis
3.Hypodermis
Epidermis - ✔✔-Outermost layer of skin
-Avascular
-Keratinized
-Thickest on palms and soles
-Stratified squamous epithelium
Layers of the Epidermis - ✔✔1. Stratum Corneum
2. Stratum Lucidum
3. Stratum Granulosum
4. Stratum Spinosum
5. Stratum Basale
Come Lets Get Some Bread
Stratum Corneum - ✔✔Outermost layer of epidermis
no nucleus
Stratum Lucidum - ✔✔2nd layer of epidermis
On palms and soles
Stratum Granulosum - ✔✔3rd layer of epidermis
, Shriveled nucleus
Stratum Spinosum - ✔✔4th layer of epidermis
large oval nucleus
Stratum Basale - ✔✔Deepest Layer of epidermis
Nice, Round nucleus
contains the melanocytes
Factors of skin color - ✔✔-Environmental
-Genetic
-Physiological
Genetic Factors - ✔✔varying amounts of melanin
varying size of melanin granules
Physiological factors - ✔✔Jaundice
Accumulation of carotene
dilation of blood vessels/constriction of blood vessels
Environmental Factors - ✔✔Sunlight
Sunlamp/tanning bed
x-rays
Dermis - ✔✔Binds epidermis to underlying tissue
contains dermal papillae
20% is papillary layer
80% reticular layer
