BMS 250 Exam #2 Questions With Correct
Answers
Five layers of Thick Skin from deep to superficial - CORRECT ANSWER✔✔--
| | | | | | | | | | |
Stratum Basale | |
-Stratum Spinosum |
-Stratum Granulosum | |
-Stratum Lucisum |
-Stratum Corneum |
Characteristics of Stratum Basale - CORRECT ANSWER✔✔--Keratinocyte Stem
| | | | | | | |
Cells (replace cells superficial)
| | |
-Melanocyte Cells (produce and store Melanin)
| | | | |
-Tactile Cells/Merkel Cells (sensitive to touch)
| | | | |
Characteristics of Stratum Spinosum - CORRECT ANSWER✔✔--Non-dividing
| | | | | | |
Keratinocytes (daughter cells of Stratum Basale connected via desmosomes)
| | | | | | | |
-Epidermal Dendritic Cells (phagocytic immune cells to protect against pathogens)
| | | | | | | | |
Characteristics of Stratum Granulosum - CORRECT ANSWER✔✔--Keratinization
| | | | | | |
(cells start to die)
| | |
Characteristics of Stratum Lucidum - CORRECT ANSWER✔✔--Only in thick skin
| | | | | | | | |
,-Translucent protein Eleidin in cells | | | |
-Protection from UV light | | |
Stratum Corneum - CORRECT ANSWER✔✔--20 to 30 rows of keratinized
| | | | | | | | | |
(anucleate) cells tightly packed | | |
Characteristics of Thick Skin - CORRECT ANSWER✔✔--Palms of hands and soles of
| | | | | | | | | | |
feet
|
-Contains sweat glands, but no hair follicles or sebaceous glands
| | | | | | | | |
Characteristics of Thin Skin - CORRECT ANSWER✔✔--Covers most of body
| | | | | | | | |
-Contains hair follicles, sebaceous glands, and sweat glands
| | | | | | |
What effects skin color? - CORRECT ANSWER✔✔--Hemoglobin (pigment that
| | | | | | | | |
turns red when oxygen bound)
| | | |
-Melanin (black-brown/yellow-brown pigment from UV light)
| | | | |
-Carotene (yellow-orange pigment acquired from yellow-orange vegetables)
| | | | | |
Two layers of the Dermis - CORRECT ANSWER✔✔--Papillary Layer (dermal
| | | | | | | | | |
papillae interact with epidermal ridges)
| | | |
-Reticular Layer (dense irregular connective tissue, collagen fibers, and blood
| | | | | | | | | |
vessels)
Lines of Cleavage - CORRECT ANSWER✔✔--Predominant orientation of collagen
| | | | | | | | |
fiber bundles in the dermis)
| | | |
, Striae - CORRECT ANSWER✔✔--Result of skin stretched past its capacity (stretch
| | | | | | | | | | |
marks)
Vasoconstriction - CORRECT ANSWER✔✔--Decreasing blood vessel diameter
| | | | | |
-Conserve heat in body | | |
Vasodilation - CORRECT ANSWER✔✔--Increase blood vessel diameter
| | | | | |
-Increase heat loss in body
| | | |
Characteristics of Subcutaneous Layer - CORRECT ANSWER✔✔--Made up of
| | | | | | | | |
Subcutaneous Fat (areolar and adipose connective tissue)
| | | | | |
-Act as cushion, energy reservoir, and thermal insulation
| | | | | | |
Functions of the Integument (7) - CORRECT ANSWER✔✔--Protection (toxins,
| | | | | | | | |
heat, cold, trauma, etc.)
| | |
-Prevention of water loss/gain | | |
-Metabolic Regulation (Calcium/Phosphorus absorption)
| | |
-Secretion and Absorption | |
-Immune Function |
-Temperature Regulation in Dermis | | |
-Sensory Reception in Dermis
| | |
Answers
Five layers of Thick Skin from deep to superficial - CORRECT ANSWER✔✔--
| | | | | | | | | | |
Stratum Basale | |
-Stratum Spinosum |
-Stratum Granulosum | |
-Stratum Lucisum |
-Stratum Corneum |
Characteristics of Stratum Basale - CORRECT ANSWER✔✔--Keratinocyte Stem
| | | | | | | |
Cells (replace cells superficial)
| | |
-Melanocyte Cells (produce and store Melanin)
| | | | |
-Tactile Cells/Merkel Cells (sensitive to touch)
| | | | |
Characteristics of Stratum Spinosum - CORRECT ANSWER✔✔--Non-dividing
| | | | | | |
Keratinocytes (daughter cells of Stratum Basale connected via desmosomes)
| | | | | | | |
-Epidermal Dendritic Cells (phagocytic immune cells to protect against pathogens)
| | | | | | | | |
Characteristics of Stratum Granulosum - CORRECT ANSWER✔✔--Keratinization
| | | | | | |
(cells start to die)
| | |
Characteristics of Stratum Lucidum - CORRECT ANSWER✔✔--Only in thick skin
| | | | | | | | |
,-Translucent protein Eleidin in cells | | | |
-Protection from UV light | | |
Stratum Corneum - CORRECT ANSWER✔✔--20 to 30 rows of keratinized
| | | | | | | | | |
(anucleate) cells tightly packed | | |
Characteristics of Thick Skin - CORRECT ANSWER✔✔--Palms of hands and soles of
| | | | | | | | | | |
feet
|
-Contains sweat glands, but no hair follicles or sebaceous glands
| | | | | | | | |
Characteristics of Thin Skin - CORRECT ANSWER✔✔--Covers most of body
| | | | | | | | |
-Contains hair follicles, sebaceous glands, and sweat glands
| | | | | | |
What effects skin color? - CORRECT ANSWER✔✔--Hemoglobin (pigment that
| | | | | | | | |
turns red when oxygen bound)
| | | |
-Melanin (black-brown/yellow-brown pigment from UV light)
| | | | |
-Carotene (yellow-orange pigment acquired from yellow-orange vegetables)
| | | | | |
Two layers of the Dermis - CORRECT ANSWER✔✔--Papillary Layer (dermal
| | | | | | | | | |
papillae interact with epidermal ridges)
| | | |
-Reticular Layer (dense irregular connective tissue, collagen fibers, and blood
| | | | | | | | | |
vessels)
Lines of Cleavage - CORRECT ANSWER✔✔--Predominant orientation of collagen
| | | | | | | | |
fiber bundles in the dermis)
| | | |
, Striae - CORRECT ANSWER✔✔--Result of skin stretched past its capacity (stretch
| | | | | | | | | | |
marks)
Vasoconstriction - CORRECT ANSWER✔✔--Decreasing blood vessel diameter
| | | | | |
-Conserve heat in body | | |
Vasodilation - CORRECT ANSWER✔✔--Increase blood vessel diameter
| | | | | |
-Increase heat loss in body
| | | |
Characteristics of Subcutaneous Layer - CORRECT ANSWER✔✔--Made up of
| | | | | | | | |
Subcutaneous Fat (areolar and adipose connective tissue)
| | | | | |
-Act as cushion, energy reservoir, and thermal insulation
| | | | | | |
Functions of the Integument (7) - CORRECT ANSWER✔✔--Protection (toxins,
| | | | | | | | |
heat, cold, trauma, etc.)
| | |
-Prevention of water loss/gain | | |
-Metabolic Regulation (Calcium/Phosphorus absorption)
| | |
-Secretion and Absorption | |
-Immune Function |
-Temperature Regulation in Dermis | | |
-Sensory Reception in Dermis
| | |
