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MEBRANES LINING BODY CAVITIES THAT DO NOT OPEN TO THE OUTSIDE ARE CALLED?
a. synovial
b. mucous
c. serous
d. cutaneous
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C. SEROUS
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AS CELLS ARE PUSHED FROM THE DEEPER PORTION OF THE EPIDERMIS TOWARD THE SURFACE THEY
a. are replaced by dividing cells below
b. improve the supply of nutrients
c. tend to thrive
d. become dermal cells
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A. ARE REPLACED BY DIVIDING CELLS
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BY COVERING THE WHOLE BODY SURFACE, SKIN ACTS AS A PROTECTIVE BARRIER AND PLAYS A ROLE IN
a. excretion
b. immunity
c. circulation
d. respiration
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A. EXCRETION
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EPIDERMIS IS CHARACTERIZED BE BEING , WHEREAS DERMIS IS DISTINGUISHED BY BEING
a. the innermost layer of the skin; under the epidermis
b. composed largely of connective tissue; composed of stratified squamous epithelial tissue
c. the outermost layer of the skin; composed of stratified squamous epithelial tissue
d. composed of statified epithelial tissue; composed of connective tissue
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D. COMPOSED OF STRATIFIED EPITHELIAL TISSUE; COMPOSED OF CONNECTIVE TISSUE
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THE SUBCUTANEOUS LAYER IN THE SKIN IS
a. composed of loose connective tissue
b. also another term for the skin
c. less prominent in newborn infants
d. the site for sweat production
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A. COMPOSED OF LOOSE CONNECTIVE TISSUE
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THE SKIN DOES NOT INCLUDE THE
a. epidermis
b. papillary layer
c. hypodermis
d. dermis
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C. HYPODERMIS
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ADIPOSE TISSUE INT HE HYPODERMIS
a. varies in amount from one region to other body regions
b. helps to lower body temperature
c. provides protection against infection
d. is a double layer in infants
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A. VARIES IN AMOUNT FROM ONE REGION TO OTHER BODY REGIONS
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THE INTEGUMENTARY SYSTEM HAS MANY FUNCTIONS, ONE OF WHICH IS
a. protection from cancer
b. production of viatmin E
c. detection of painful stimuli
d. both A and C
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D. BOTH A AND C
protection from cancer and
detection of painful stimuli
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THE OUTERMOST LAYER OF EPITHELIUM THAT COVERS THE SKIN IS CALLED THE
a. dermis
b. epidermis
c. hypodermis
d. mesodermis
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B. EPIDERMIS
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WHICH OF THE FOLLOWING FUNCTIONS IS ASSOCIATED WITH THE SKIN
a. production of fat
b. production of vitamin C
c. regulation of body pH
d. protection against ultraviolet radiation of the sun
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C. PROTECTION AGAINST ULTRAVIOLET RADIATION OF THE SUN
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THE DERMIS
a. contains no blood vessels
b. functions as padding and insulation
c. is responsible for most of the skin's structural strength
d. is divided into three distinct layers
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C. IS RESPONSIBLE FOR THE SKIN'S STRUCTURAL STRENGTH
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THE LAYER OF EPIDERMIS THAT UNDERGOES MITOSIS AND FORMS NEW EPIDERMAL CELLS IS THE STRATUM
a. basale
b. granulosum
c. lucidum
d. corneum
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A. BASALE
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INTACT SKIN PROVIDES PROTECTION BECAUSE
a. it forms a physical barrier against the entry of microbes
b. its secretions keep the skin slightly acidic
c. the skin is capable of excretion of certain waste products
d. all of the above
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D. ALL OF THE ABOVE
a. it forms a physical barrier against the entry of microbes
b. its secretions keep the skin slightly acidic
c. the skin is capable of excretion of certain waste products
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THE SLOUGHING OFF OF OLDER CELLS FROM THE SURFACE OF THE SKIN IS CALLED
a. desquamation
b. keratinization
c. melaninization
d. germination
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A. DESQUAMATION
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THE OUTERMOST LAYER OF THE EPITHELIUM IN THE SKIN HARDENS DUE TO DEPOSITION OF A WATERPROOF PROTEIN CALLED
a. actin
b. keratin
c. melanin
d. adipose
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A. KERATIN
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