BMS100 Past Test Questions
Chapter 6, Spring 2009
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  1. The least important function of blood vessels in the dermis is to
    1. absorb gases from or release gases to the atmosphere
    2. provide nutrients and oxygen to the living cells of the epidermis
    3. engage in temperature regulation

  2. Cells reproducing by mitosis are normally abundant in the
    1. outer parts of the dermis
    2. all parts of the dermis
    3. stratum basale of the epidermis
    4. all layers of the epidermis

  3. Cells in the outer layers of epidermis contain mainly
    1. keratin
    2. carotene
    3. melanin
    4. collagen

  4. The cells of the epidermis include
    1. mainly melanocytes, but also some keratinocytes
    2. mainly keratinocytes, but also some melanocytes
    3. mainly melanocytes in dark-skinned individuals; mainly keratinocytes in light-skinned individuals
    4. equal numbers of keratinocytes and melanocytes in all people

  5. The dividing cells of the epidermis are "shielded" from ultraviolet radiation mainly by
    1. keratin
    2. melanin
    3. keratin and melanin equally
    4. neither keratin nor melanin

  6. Large amounts of fat may accumulate in the
    1. dermis
    2. subcutaneous layer
    3. both of the above
    4. none of the above

  7. Sebaceous glands
    1. contain epidermal cells
    2. are usually associated with hair follicles
    3. produce sebum ("skin oil")
    4. all of the above

  8. Hair follicles are
    1. restricted to the dermis
    2. restricted to the epidermis
    3. embedded in dermis but surrounded by a layer of epidermis
    4. embedded in epidermis but surrounded by a layer of subcutaneous tissue

  9. Body temperature at any moment in time is dependent mainly on the relative amounts of
    1. dermis and epidermis
    2. mitosis and exfoliation
    3. aerobic respiration and anaerobic respiration
    4. heat production by metabolism and heat loss through skin, etc.