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Questions in this quiz (64)
1scratching an itch is efficient because fingers have nails
- ATrue
- BFalse
2Information about the environment outside the skin is provided by
- Areceptors
- Bnerves
3Vitamin ____________________ is produced in skin that is exposed to ____________________.
- AD , sunlight
- BB, Moonlight
4The precursor molecule for vitamin D is ____________________.
- AKeratin
- BCholesterol
5Vitamin D is important for the absorption of ____________________ in the ____________________.
- Acalcium, small intestine
- Bwater, small intestine
6Sunlight on the skin stimulates production of vitamin ____________________, which is important for the absorption of ____________________ from food.
- AC, Vitamins
- BD, calcium
7The subcutaneous tissue layer is also called the superficial facisa
- ATrue
- BFalse
8The subcutaneous tissue is located between the ____________________ and the ____________________.
- Adermis, muscles
- Bsubcuaneous tissue , muscles
9Between the dermis and the muscles is the ____________________.
- Asubcutaneous tissue (superficial fascia)
- Bepidermis
10In the superficial fascia, the tissue that stores potential energy is ADISPOSE TISSUE
- ATrue
- BFalse
11In the superficial fascia, the tissue that contains many white blood cells is ____________________.
- Aareolar connective tissue
- Badispose tissue
12In the integumentary system, areolar connective tissue is part of the ____________________ (layer).
- Asubcutaneous tissue (superficial fascia)
- Bepidermis
- Cdermis
13The layer of the integumentary system that cushions some bones is the ____________________.
- Asubcutaneous tissue
- Bdermis
14The layer of the integumentary system that provides some insulation from cold is the ____________________.
- Asubcutaneous tissue
- Bepidermis
15The layer of the integumentary system that stores potential energy is the ____________________.
- Asubcutaneous tissue
- Bepidermis
16The part of the integumentary system that prevents entry of pathogens is the:
- AA. epidermis
- BB. dermis
- CC. subcutaneous tissue
- DD. eccrine glands
17The part of the integumentary system that contains sweat glands and sensory receptors is the:
- Aepidermis
- Bdermis
- Csubcutaneous tissue
- Dmucous membrane
18The part of the integumentary system that connects the skin to the muscles is the:
- Aepidermis
- Bdermis
- Csubcutaneous tissue
- Dmucous membrane
19Which statement is NOT true of the integumentary system?
- AA. It consists of the skin and subcutaneous tissue.
- BB. It covers the body.
- CC. Some glands are part of this system.
- DD. It permits the entry of water to maintain body temperature.
20The epidermis is the ____ layer of the skin and is made of ____ tissue.
- AA. outer/stratified squamous epithelial
- BB. inner/stratified squamous epithelial
- CC. outer/fibrous connective
- DD. inner/fibrous connective
21The dermis is the ____ layer of the skin and is made of ____ tissue.
- AA. outer/stratified squamous epithelial
- BB. inner/stratified squamous epithelial
- CC. outer/fibrous connective
- DD. inner/fibrous connective
22The layer of the skin that is made of stratified squamous epithelium is the:
- AA. dermis
- BB. subcutaneous layer
- CC. epidermis
- DD. None of these layers are made of this tissue.
23The layer of the skin that is made of fibrous connective tissue is the:
- AA. dermis
- BB. subcutaneous layer
- CC. epidermis
- DD. None of these layers is made of this tissue.
24The outer layer of the skin is the ____, and the inner layer of the skin is the ____.
- AA. dermis/superficial fascia
- BB. epidermis/dermis
- CC. dermis/epidermis
- DD. epidermis/superficial fascia
25The major proteins of the dermis are:
- AA. keratin and collagen
- BB. collagen and melanin
- CC. melanin and elastin
- DD. elastin and collagen
26Collagen and elastin are the major proteins of:
- Athe epidermis
- Bthe dermis
- Cthe epidermis and dermis
- Depidermis, dermis and subcutaneous tissue
27The protein that provides strength to the dermis is:
- Akeratin
- Bcollagen
- Celastin
- Dall of these provide strength to the dermis.
28The protein that enables the dermis to stretch and recoil is:
- Akeratin
- Bcollagen
- Celastin
- Dall of these permit stretching and recoiling of the dermis
29The part of a cow’s integument that we know as leather is:
- Athe epidermis
- Bdermis
- Csubcutaneous tissue
- Dalll of these
30Which statement is NOT true of the skin?
- AA. Collagen provides strength to the epidermis.
- BB. The epidermis is the outer layer.
- CC. Stratified squamous epithelium forms the epidermis.
- DD. The dermis is external to the subcutaneous tissue.
31In the skin, mitosis takes place continuously in:
- Athe stratum germinativum
- Bthe stratum corneum
- Cboth of these
- Dnone of these
32In the skin, mitosis takes place continuously in the:
- AA. stratum corneum, to produce new epidermis
- BB. stratum corneum, to produce new dermis
- CC. stratum germinativum, to produce new dermis
- DD. stratum germinativum, to produce new epidermis
33The primary function of the stratum germinativum is:
- Aosmosis
- Bmitosis
- Cabosorption
- Dprotection
34The primary function of the stratum germinativum is:
- AA. osmosis, to prevent water loss
- BB. mitosis, to produce new dermis
- CC. osmosis, to contribute to sweating
- DD. mitosis, to produce new epidermis
35Defensive cells in the integumentary system include subcutaneous WBCs and:
- ALangerhans cells in the epidermis
- Badipocytes in the dermis
- CC. melanocytes in the epidermis
36The Langerhans cells of the integumentary system are important for:
- Askin coloration
- Bdefense against pathogens
- Cdetecting changes in the external environment
- Drepair of minor breaks in the skin
37The cells in the epidermis that are capable of phagocytosis are:
- AA. Langerhans cells
- BB. keratinocytes
- CC. melanocytes
- DD. Merkel cells
38Which statement is NOT true of the epidermis?
- AA. Meiosis takes place in the stratum germinativum.
- BB. The cells die as they are pushed toward the surface.
- CC. Langerhans cells bring pathogens to lymph nodes.
- DD. The epidermis has no capillaries of its own and must rely on those of the dermis.
39The functions of the stratum corneum include all of these except:
- AA. prevention of water loss
- BB. prevention of sunburn
- CC. prevention of the entry of water
- DD. prevention of the entry of bacteria and chemicals
40Prevention of water loss is a function of the:
- AA. stratum germinativum
- BB. dermis
- CC. stratum corneum
- DD. subcutaneous tissue
41Prevention of the entry of pathogens is a function of the:
- Astratum corneum
- Bstratum germinativum
- Cdermis
- Dsubcutaneous tissue
42The stratum corneum is made of layers of cells that:
- AA. undergo mitosis
- BB. are producing keratin
- CC. are producing collagen
- DD. are dead
43The protein in the epidermis that prevents water loss is:
- Amelanin
- Bkeratin
- Ccollagen
- Delastin
44The function of keratin is:
- AA. to prevent the entry of water
- BB. to prevent the entry of pathogens
- CC. both A and B
- DD. both A and B and to prevent the loss of water
45Which statement is NOT true of the stratum corneum?
- AA. The cells are called keratinocytes.
- BB. Keratin prevents movement of most water in or out.
- CC. The stratum corneum is made of one layer of dead cells.
- DD. The cells die after they produce keratin.
46Melanocytes produce ____ when stimulated by ____.
- AA. melanin/UV rays
- BB. keratin/pressure
- CC. melanin/pressure
- DD. keratin/UV rays
47Ultraviolet rays of the sun stimulate production of ____ in the skin.
- Akeratin
- Bcollagen
- Cmelanin
- Dall of these
48The function of melanin is to protect living skin layers from more:
- Apressure
- Bfriction
- CUV Rays
- Dall of these
49melanin gives color to the epidermis and also to"
- Athe hair
- Bthe iris of the eye
- Chair and the iris of the eye
- Dboth hair and iris of eye and to the dermis
50the cells that produce pigment for the skin and hair are called
- Afibroblasts
- Bmelanocytes
- Csquamous cells
- Ddermal cells
51the activity of melanocytes is determined by
- Agenetics
- Bexposure to the sun
- Cgenetics and exposure to sun
- Dgenetics, sun exposure and by the helper keratin
52Which statement is NOT true of melanocytes?
- AThey are found in the epidermis
- BThey give color to hair and nails
- CThe melanin they produce protects living skin from UV rays
- DThe prodution of melanin is, in part, a genetic characteristic
53A hair follicle:
- AA. has its base in the dermis
- BB. has a hair root at its base
- Cboth A and B
- DA and B and has a pilmotor muscle that can pull the follicle upright
54Which of these is NOT a function of human hair?
- AKeeping dust out of the eyes
- Binsulating hands from cold
- Cinsulating head from the cold
- Dkeeping dust out of the nasal passages
55Which of the statement is NOT true of human hair
- AThe hair root undergoes mitosis
- BA hair is formed in a structure called a follicle
- CAll human hair grows continuously
- DThe hair shaft is made of Keratin
56 A nail follicle
- Ahas its base in the dermis
- Bhas a nail root that undergoes mitosis
- Cha scells that produce keratin before they die
- Dall of these
57Which statement is NOT true of human nails?
- AThey are formed in follicles
- BB. They protect the ends of the fingers and toes from mechanical injury.
- CC. They enable the fingers to pick up small objects.
- DThe visible part of the nail is made of collagen.
58All of the following are made of keratin except the
- Apigment of the skin
- Bfingernails and toenails
- Cstratum corneum
- Dhair shafts
59Which statement is NOT true of the cutaneous senses?
- AA. Most of the receptors are in the dermis of the skin.
- BB. Cutaneous senses provide information about changes in the external environment.
- CC. The receptors for pressure are encapsulated nerve endings.
- DD. The fingertips are very sensitive to touch because there are few receptors there.
60The cutaneous receptors for pain are:
- AA. free nerve endings in the dermis
- BB. free nerve endings of Langerhans cells
- CC. encapsulated nerve endings in the dermis
- DD. encapsulated nerve endings in the epidermis
61Free nerve endings in the skin are the receptors for:
- AA. pressure, pain, and itch
- BB. pain, cold, and pressure
- CC. touch, pressure, and pain
- DD. heat, cold, itch, and pain
62The cutaneous receptors may be stimulated internally by:
- AA. the chickenpox virus
- BB. a mosquito bite
- CC. both A and B
- DD. both A and B and by poison ivy
63Drying of the skin and hair is prevented by
- AA. serous fluid from serous glands
- BB. sebum from sebaceous glands
- CC. cerumen from ceruminous glands
- DD. sweat from apocrine glands
64 A function of sebum is to
- Apromote osmosis
- BB. nourish the stratum corneum
- CC. prevent mechanical injury
- Dprevent drying of the skin and hair
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- Quiz on into4, created by Rebecca West on 26/08/2020.
- Author
- Rebecca West
- Language
- English
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