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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 |