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Integumentary MBLEX
Question | Answer |
---|---|
What makes up the Integumentary System? (There are 5) | Skin, Sweat Glands, oil glands, hair, and nails |
Skin is also known as what? | Cutaneous membrane |
What is the largest organ of the integumentary system? | The Skin |
Sweat Glands are also known as what? | Sudoriferous glands |
What do ceruminous glands secrete? | Ear Wax |
What do mammary Glands Secrete? | Milk |
What are oil glands also called? | Sebaceous Glands |
What three parts are hair made up of? | A Shaft, A Root, and a follicle. |
What attachment of the follicle gives rise to goosbumps? | Arrector pilli muscle |
What seven parts make up a nail? | A free edge, A body, A root, A nail bed, A nail matrix, A lunula, A cuticle. |
Which part of the nail extends beyond the nail bed? | Free Edge |
Which part of the nail is the visible portion of the nail? | The Body |
Which part of the nail is covered by the skin fold? | Root |
Which part of the nail is the surface of skin where the nail lies? | Nail Bed |
Which part of the nail is where cells divide? | Nail matrix |
Which part of the nail is the whitish, crescent shaped area of the nail body? | The lunula |
Which part of the nail is a narrow band of epidermis that adheres to the nail body? | The Cuticle |
What are the functions of the skin? (There are Five) | Protection, Sensation, Vitamin D Synthesis, Absorption/Secretion/Excretion/and Respiration, Temperature Regulation |
What word refers to the sensory receptors in the skin that relay information to the nervous system? | Cutaneous Sensation |
Meissner Corpuscles and Merkle's Disks are what part of the skin? | Touch Receptors |
Pain Receptors of the skin include? | Free Nerve Endings |
Pancinian Corpuscles are what part of the skin? | Pressure Receptors |
Ruffini's Corpuscles are what part of the skin? | Temperature Receptors |
The number of individual bacteria on the surface of one square inch of human skin | 50 million |
Oily surfaces, such as the face, may contain how many bacteria per square inch? | 500 million |
What is the external layer of the skin called? | Epidermis |
What is the internal layer of the skin caled? | Dermis |
Which of the five layers of the epidermis is where cells actively divide? (mitosis) | Stratum Basale |
Which of the five layers of the epidermis is where cells are starting to flatten? | Stratum Spinosum |
Which of the five layers of the epidermis is where cells are undergoing cell death? | Stratum Granulosum |
What is another name for cell death? | Apoptosis |
Which of the five layers of the epidermis is where cells are flattened and closely packed? | Stratum lucidum |
Which of the five layers of the epidermis is where cells are dead, flat and fully keratinized? ( Found only in the palms of the hand and the soles of the feet) | Stratum Corneum |
What does avascular mean? | without blood |
The cell type of the epidermis that produces keratin. | Keratinocytes |
The cell type of the epidermis that produces melanin. | Melanocytes |
The cell type of the epidermis that participates in immune response. | Langerhan Cells |
The cell type of the epidermis that detect different aspects of touch. | Merkel Cells |
Melanocytes make up what percentage of our skin? | 2% |
Where in the skin are Melanocytes and Epithelial Cells found? | The deepest portion of the epdermis |
The superficial region of the dermis is also called.... | Papillary Layer |
The deeper region of the dermis is also called..... | Reticular Layer |
What parts make up the dermis? (there are 6) | ateries, arterioles, veins, venules, capillaries, and lymphatics. |
Where are apocrine glands found? | Genital and axilla area |
What is inflammation of connective tissue called? | Fibrosiis |