Exam 1/2 Anatomy and Physiology : Integumentary System
The epidermis is the thin, outermost layer of the skin. It acts as a protective barrier against environmental threats and regulates water loss.
The _____ is the outermost layer of the skin.
Epidermis
Key Terms
The _____ is the outermost layer of the skin.
Epidermis
Which layer of the skin consists of tightly packed epithelial cells?
Epidermis
Which layer of the skin is composed of collagenous and elastic fibers?
Dermis
Which part of the skin contains nerves and nerve endings to provide sensory information?
Dermis
Which layer of the skin contains hair follicles and sweat glands?
Dermis
How are goose bumps created?
Movement of the hair follicle by the arrector pilli when it produces pressure on the skin
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| Term | Definition |
|---|---|
The _____ is the outermost layer of the skin. | Epidermis |
Which layer of the skin consists of tightly packed epithelial cells? | Epidermis |
Which layer of the skin is composed of collagenous and elastic fibers? | Dermis |
Which part of the skin contains nerves and nerve endings to provide sensory information? | Dermis |
Which layer of the skin contains hair follicles and sweat glands? | Dermis |
How are goose bumps created? | Movement of the hair follicle by the arrector pilli when it produces pressure on the skin |
How many types of skin glands are there? | 5 |
_______ glands secrete sebum for hair and skin. | Sebaceous |
What is the largest organ system of the body? | Integumentary System |
Which gland secretes earwax? | Ceruminous |
Where are apocrine glands found? | Smelly areas (gentalia, anus) |
The integumentary system is the _____ organ system. | Largest |
Vitamin _____, a vitamin produced by the skin, aids in digestion. | D |
Why is Vitamin D necessary in small intestine? | Helps absorb calcium |
Calcium is needed for? | Nerve transmission for smooth muscle contractions |
The ________ divides the epidermis and dermis. | Papilla |
Melanin is contain within the ______. | Papilla |
What are the 5 skin glands? | Exocrine Apocrine Ceruminous Mammary Subatious |
What is the function of melanin? | Tans person for UV ray protection |
Most skin cancers are ______. | Benign |
Malignant skin cancer occurs in areas that are? | Exposed to sun |
What is the most dangerous skin cancer? | Malignant Melanoma |
Malignant melanoma occurs in areas that? | ANYWHERE that has pigment |
Which type of skin cancer invades lymph and blood vessels? | Malignant Melanoma |
What is the most common type of malignant skin cancer? | Overexposure to sun |