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Integumentary System
| Question | Answer |
|---|---|
| The skin, its accessory structures (sweat glands, oil glands, hair and nails), and the subcutaneous tissue below the skin forms what system? | Integumentary system |
| The integumentary systems acts as a BLANK barrier. It keeps harmful substances out of the body and helps retain water and electrolytes. | mechanical |
| The integumentary systems protects internal BLANK AND BLANK. | structures and organs |
| The integumentary system participates in the BLANK response against invading microbes. | immune |
| Although this is a minor role, the BLANK is able to excrete water, salt and small amounts of waste, such as urea. | skin |
| The integumentary system acts as a BLANK by synthesizing Vitamin BLANK when exposed to sunlight. | gland, D |
| The integumentary system performs a BLANK role by housing the BLANK receptors for touch, pressure, pain and temperature. | sensory, sensory |
| The integumentary system plays an important role in the regulation of body BLANK. | temperature |
| The skin is also referred to as the BLANK or BLANK. | integument, cutaneous membrane |
| This is the largest organ in the body. | skin |
| The skin has two distinct layers. The outer layer is called the BLANK. The inner lay is called the BLANK. | epidermis, dermis |
| The dermis is anchored to the BLANK layer. | subcutaneous |
| In this part of the epidermis, cells of this layer are continuously dividing. As they divide, they push the older cells up toward the surface of the epithelium. | Stratum germinativum |
| This thin outer layer of skin is composed of stratified squamous epithelium. | Epidermis |
| This tough protein makes skin cells hard, flat and water resistant. | Keratin |
| This term refers to the surface layer of the epidermis. | Stratum corneum |
| This layer of the skin is composed of about 30 layers of dead, flattened, keratinized cells. These dead cells are continuously sloughed off through wear and tear. | Stratum corneum. |
| The stratum corneum's dead cells that are sloughed off are called what? | Dander |
| This layer is located beneath the epidermis and is the largest portion of the skin. | Dermis |
| The wavy boundary between the epidermis and dermis resemble the ridges of corrugated cardboard and the interlocking ridges prevent the slippage of the skin layers. These ridges form what? | Fingerprints |
| The dermis sits on what layer? | subcutaneous layer |
| The subcutaneous layer is also known as the what? | Hypodermis |
| Name three accessory structures embedded in the dermis. | hair, nails, glands |
| Many of the nerves located in this layer have sensory receptors that detect pain, temperature, pressure and touch. | Dermis |
| This layer is not considered part of the skin, it lies under the skin. | subcutaneous layer or hypodermis |
| What two main roles does hypodermis (subcutaneous) serve? | Insulates body from extreme temperature changes in environment. Anchors skin to underlying structures. |
| This drug delivery system is where drugs are absorbed across the skin to achieve a systemic effect (throughout the body). | Transdermal patch |
| The skin can be used to detect allergies by injecting antigens via this method of drug delivery. | Intradermally |
| This drug delivery method must be injected into the subcutaneous layer. | Hypodermic injection |
| Skin colour is determined by 3 things. | Genes, physiology and sometimes pathology (disease). |
| These cells are located deep within the epidermal layer and secrete a skin-darkening pigment. | Melanocytes |
| Melanocytes secrete a skin darkening pigment called. | Melanin |
| This yellowish tint in most people is hidden by effects of melanin. | Carotene |
| Blushing is a result of blood vessels doing what? | Dilating |
| Poorly oxygenated blood causes skin to look blue. Condition is called WHAT? | Cyanosis |
| Person who is scared experiences a constriction of blood vessels in the skin and decrease in amount of oxygenated blood. The pale or ashen colour is called WHAT? | Pallor |
| Person with liver disease is unable to excrete this pigment which is instead deposited in the skin causing it to turn yellow - condition known as jaundice. | Bilirubin. |
| Bronzing is a result of the overproduction of WHAT? | Melanin |
| A black and blue discolouration (bruise) indicates blood has escaped from the blood vessels into the injured tissue. This black and blue area is called WHAT? | Ecchymosis |
| This accessory structure detects insects, protects eyes, and keeps dust out of lungs | Hair |
| What two sex hormones influence hair growth and distribution? | estrogen and testosterone |
| Hair colour is determined by the type and amount of secretion of what pigment? | Melanin |
| Every nail is made up of WHAT three structures? | Free edge, nail body (fingernail), nail root. |
| The extent of nail growth is represented by the half moon shaped WHAT? | Lunula |
| Chronic heart and lung disease cause a condition that includes enlarged fingertips, thick, hard, shiny nails curved at free end. Due to insufficient supply of oxygenated blood over a period of time. | Clubbing |
| These two major glands are associated with the skin. | sebaceous glands and sweat glands. |
| The sabaceous and sweat glands are what type of glands? | Exocrine |
| These oil glands are associated with hair follicles and found in all areas of the body that have hair. | sebaceous |
| These oil glands are associated with hair follicles and secrete an oily substance call WHAT? | Sebum |
| This oily substance flows into the hair root and then out onto the surface of the skin. It lubricates and helps waterproof the hair and skin. | Sebum |
| What is the term for the sweat glands? | Sudoriferous glands |
| The sudoriferous glands are located in what layer of the skin? | Dermis |
| Name the two types of sudoriferous glands? | Apocrine and eccrine. |
| Which sudoriferous gland is associated with hair follicles found in the axillary and genital areas? | Apocrine |
| Which sudoriferous gland is located throughout the body and is not associated with hair follicles? | Eccrine |
| Which sudoriferous gland plays an important role in body temperature regulation? | Eccrine |
| These glands are found in the external auditory canal of the ear and secrete ear wax known as WHAT? | Cerumen |
| The epidermis can be divided into five layers. The two deeper layers are referred to as Stratum WHAT? | Stratum Germinativum |
| The epidermis can be divided into five layers. The more superficial layers are called the Stratum WHAT? | Corneum. |
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JoJo500%
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