BIO 160 CH 4
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Created by:
daizybritt on July 19, 2011
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40 terms
Terms | Definitions |
|---|---|
 A mucus membrane: | lines the digestive and respiratory tracts |
| A needle would pierce the skin of the forearm in which order? | 1) stratum basale 2) stratum granulosum 3) stratum spinosum 4) stratum corneum 5) stratum lucidum Correct Answer: 4, 2, 3, 1 |
| As cells progress from the deeper portion of the epidermis towards the surface | they tend to die |
| Exposure to ultraviolet (UV) light causes the skin to darken by stimulating the production of: | melanin |
| Glands usually associated the skin of the genitals and the axillary region are known as | apocrine glands |
| Mitosis occurs in which layer of the epidermis? | stratum basale |
| Hair, nails, and the outer layer of the skin are made mostly of a tough waterproof protein called | keratin |
| In the skin, arrector pili muscles are found mainly in the | dermis layer |
| Pacinian corpuscles | are deep pressure sensitive receptors |
| Sebaceous glands secrete | oil |
| The different layers of the epidermis have one feature in common. This feature is the: | absence of blood vessels |
| The papillary layer attachs to the: | stratum basal and reticular layer |
| The structure that contracts to cause "goose bumps" is the: | arrector pili muscle |
| The toughened outer portion of the hair is termed the: | cuticle |
| The type of tissue making up the bulk of the dermis is: | dense (irregular) connective tissue |
| Two types of glands found in the skin are the _______ and _______ glands. | sudoriferous; sebaceous |
| When assessing the extent of burns on the body using the rule of nines, the anterior and posterior trunk represents about what percentage of the body? | 36% |
| When you scratch your skin, what comes off as white flakes are mostly cells from the stratum: | corneum |
| Which of the following vitamins is synthesized in the skin? | vitamin D |
| You can cut your hair without feeling pain because: | the shaft of the hair consists of dead cells |
| A hair, produced by a hair follicle, is a type of _______ tissue | epithelial |
| All epithelial membranes have a layer of _______ underneath them. | connective tissue |
| Sebaceus glands are usually associated with | hair follicles |
| First and second-degree burns are referred to as _______ burns. | partial thickness |
| Most of the cells of the epidermis are: | keratinocytes |
| The cutaneous glands are all a type of _______ glands. | exocrine |
| The deepest layer of the epidermis is called the: | stratum basale |
| The dermis is abundantly supplied with _______ which play a role in maintaining body temperature homeostasis | blood vessels |
| The epidermis and dermis are normally firmly connected together. However a burn or friction may cause these layers to separate which results in a: | blister |
| The layer of the skin that is made of stratified squamous epithelium is called the _______. | epidermis |
| The protein found in large amounts in the stratum corneum cells, nails, and hair is: | keratin |
| The thick proximal nail fold is commonly called the: | cuticle |
| There are two types of sweat glands (also called sudoriferous glands) these are _______ and _______. | eccrine, apocrine |
| What chronic condition is characterized by reddened epidermal lesions covered with dry, silvery scales? | psoraisis |
| What is the least malignant and most common skin cancer? | basal cell carcinoma |
| What kind of membrane is composed of connective tissue but no epithelial cells? | synovial |
| What kind of membranes line body cavities that, except for the dorsal body cavity and joint capsules, do not open to the outside of the body? | serous |
| Which of the following is NOT a characteristic of malignant melanoma? | smooth border |
| Which of the following is NOT a function of skin? | produces vitamin C in the presence of sunlight |
| Which of the following statements is NOT true regarding melanin? | More melanin is produced when the skin is not exposed to sunlight. |
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