Chapter Four Test – Flashcards
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In the ABCD rule of skin cancer, the letter B stands for:
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Border
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Although you get wet while swimming, a tough protein within the skin prevents it from soaking up moisture like a sponge. This substance is:
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Keratin
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Which of the following is an indication that you may have melanoma: A pigmented spot that has smooth borders; a spot on the skin that is smaller than the size of a pencil eraser; a symmetrical mole; a pigmented spot that contains areas of different colors
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A pigmented spot that contains areas of different color
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Select the most correct statement concerning skin cancer: melanomas are the most rare and most dangerous type of skin cancer; most cancers of the skin are very malignant; squamous cell carcinomas are cancer of the stratum basale cells; Basal cell carcinomas are the most malignant
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Melanomas are the most rare and most dangerous type of skin cancer
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The type of seat gland that begins to function at puberty and causes a smell due to bacteria is the:
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Apocrine
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The skin and its derivatives (nails, glands, and hairs) form the:
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integumentary system
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Identify the layer of the skin that contains most of the sensory receptors:
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Dermis
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Which tissue layer helps maintain temperature and is composed of fat cells?
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hypodermis
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A doctor estimates the area damaged in severely burned patient by:
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using the "rule of nines"
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Which layer of the integument is found superficial to the dermis?
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Epidermis
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Which is the most abundant and widespread type of sweat gland?
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Eccrine
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The type of burn in which the epidermis and part of the dermis are damaged is ___________ degree
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second
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Nails are composed of:
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Keratin
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"Goose bumps" on the skin are due to action of the:
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Arrector pili muscles
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Which layer of the integument is found deep to the dermis?
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Hypodermis
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When a blister forms due to friction, liquid pools between the epidermis and what other layer of the integument?
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dermis
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The "tanning" effect that occurs when a person is exposed to the sun is due to:
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melanin
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in the thick skin of the palms, the layer of the epidermis directly deep to the stratum corneum is the stratum _________
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lucidum
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Which layer of the integument contain the stratum basal?
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epidermis
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The single most important risk for skin cancer is ___________
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Overexposure to UV radiation
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What is the first threat to life from a massive third-degree burn:
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dehydration
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Finger-like upward projections of the dermis into the epidermis are called: Hair bulbs; pacinian corpuscles; dermal papillae; hair follicles
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Dermal papillae
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Pimples begin: as tiny cuts and nicks in the skin; when sebaceous glands become blocked by sebum; as localized infections in the hypodermic; when bacteria enter sweat pores
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when sebaceous glands become blocked by sebum
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Which layer of the epidermis is completely dead and douses dust in your home?
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Stratum Corneum
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The two main layers of skin are:
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Epidermis and dermis
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The type of skin cancer that is most common and has the lowest metastasis rate is:
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basal cell carcinoma
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A splinter penetrated into the skin of the sole of the foot, almost to the papillary region of the dermis. Which layer of the epidermis would be that final layer injured?
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Basale
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Which of the following abnormal skin colors results from liver disorders: Bruising; blushing; jaundice; cyanosis
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Jaundice
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Melanocytes are found in the:
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Stratum basale
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The black part of a blackhead is: Dirt; Oxidized sebum; a growing hair stub; excreted carbon
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oxidized sebum
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The type of skin cancer that arises from keratinocytes of the stratum spinosum is:
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Squamous cell carcinoma
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The outermost layer of skin is called:
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The epidermis
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Sebum is responsible for all of the following except: Lubricates hair; body temperature regulation; keeps the skin soft and moist; causes pimples
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Body temperature regulation
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A needle would pierce the epidermal layers of the forearm in which order: 1. Stratum basale 2. stratum corneum 3. stratum granulosum 4. stratum lucidum 5. stratum spinosum
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2, 3, 5, 1
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The secretion of sweat is stimulated: by hormones, especially male sex hormones; as a protective coating when one is swimming; by high temperatures; both by high temperatures and by hormones
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both by high temperatures and by hormones
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Cancer of melanocytes:
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Malignant melanoma
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Cancer of stratum spinosum cells:
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Squamous cell carcinoma
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burn in which only the epidermis becomes red and swollen:
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First degree burn
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Malignancy of the lowest epidermal layer:
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Basal call carcinoma
