Term
| What Anchors the epidermis to the basement membrane, providing structural support to the stratum basale? |
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Definition
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Term
| Subcutaneous tissue is composed of: |
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Definition
| Loost Connective Tissue and Adipose Tissue |
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Term
The papillary layer of the dermis is the most superficial dermal layer:
T/F |
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Definition
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Term
| The organs of the integumentary system have several functions. Which component best serves as thermal insulation? |
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Definition
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Term
| The group of pigments known collectively as ________ is responsible for protecting genetic material of skin cells from UV Damage: |
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Definition
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Term
| Dark brown to black pigmentation of the skin results from: |
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Definition
| Deposition of melanin by melanocytes |
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Term
| List components of the dermis: |
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Definition
Fibers
Blood Vessels
Nerve Fibers
Glands |
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Term
| Subcutaneous tissue is composed of: |
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Definition
| Loose connective tissue and Adipose Tissue |
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Term
| What is not a function of hair: |
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Definition
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Term
| The funciton of vitamen D include: |
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Definition
Stimulating the uptake of calcium and phosphate from the intestines.
Promoting calcium and phosphate release from bones.
Reducing calcium loss from the kidneys |
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Term
| Which strata in the epidermis contains cells that are still mitotic? |
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Definition
| Cells in both the stratum basale and the stratum spinosum |
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Term
| Hair is divided into the hair _________, which protrudes above the surface of the skin, and the hair ________, located below the surface: |
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Definition
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Term
| What statement applies to the arrector pili: |
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Definition
Consist of smooth muscle cells
Extend from the dermal root sheath to the papillary layer of the dermis.
Are associated with hair follicles |
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Term
| List the event of the growth stage of hair in order: |
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Definition
1. Matrix cells differentiate, become keratinized, and die.
2. The hair grows longer as cells are added at the base of the hair root.
3. Hair growth stops.
4. The hair follicle shortens and holds the hair in place. |
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Term
| Subcutaneous tissue is composed of: |
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Definition
| Loost CT and Adipose Tissue |
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Term
| The organs of the integumentary system have several functions. Which component best serves as thermal insulation? |
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Definition
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Term
| Indicate the statement describing full thickness burns: |
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Definition
1. Involve the complete destruction of the epidermis and dermis
2. Also called third degree burns.
3. |
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Term
| One way to minimize your chance of getting skin cancer is to: |
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Definition
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Term
True or false:
If the epidermis is damaged, the undamaged part of the hair follicle within the dermis can be a source of new epithelium? |
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Definition
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Term
| List the components of the dermis: |
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Definition
Fibers
Blood Vessels
Glands
Nerve Fibers |
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Term
| What is the deepest layer |
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Definition
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Term
| Hair is produced in cycles that involve a _________ stage and a _________ stage. |
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Definition
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Term
| What are the steps in vitamen D synthesis (in order): |
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Definition
1. The skin is exposed to UV light.
2. The precursor molecule 7-dehydrocholesterol, is converted into cholecalciferol.
3. Cholecalciferol is released into the blood; it travels to the liver and kidneys.
4. Hydroxide Ions are added to Cholecalciferol
5. Active vitamin D (calcitriol) is formed. |
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Term
| Ultimately, all of the epidermal cells originate from: |
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Definition
| Stem cells in the stratum basale |
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Term
| The smooth muscle associated with hair follicles is called __________: |
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Definition
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Term
| A _________ junction holds cells together and seals off the space between adjacent cells making it difficult for substances to pass between cells. |
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Definition
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Term
| The intercellular junction called a ____________ allows the flow of ions between cells, transmitting electrical excitation from cell to cell. |
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Definition
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Term
| Haline cartilage is included in the following: |
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Definition
Articular Cartilage
Fetal Skeleton
Costal Cartilage |
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Term
| A(n) ____________ bland consists of a single secretory cell found in a nonsecretory epithelium. |
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Definition
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Term
| Indicate the best type of epithelium that is best suited for allowing diffusion of substances, as would be found lining the air sacs of the lungs. |
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Definition
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Term
| The primary function of ________ is to pump blood. |
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Definition
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