Copiar e Editar

Structure of Skin

Descrição

Quiz sobre Structure of Skin , criado por MPusey em 29-12-2014.
MPusey
Quiz por MPusey, atualizado more than 1 year ago
MPusey
Criado por MPusey quase 10 anos atrás
37
1
0

Resumo de Recurso

Questão 1

Questão
What are the functions of skin?
Responda
  • Protection
  • Thermoregulation
  • Fat store
  • Sensation
  • Produce vitamin C
  • Produce vitamin D

Questão 2

Questão
What is the most superficial layer of skin?
Responda
  • Dermis
  • Epidermis
  • Subcutis

Questão 3

Questão
How many layers make up the epidermis?
Responda
  • 5 in normal skin, 4 in thick skin
  • 4 in normal skin, 5 in thick skin

Questão 4

Questão
What is the deepest layer of the epidermis?
Responda
  • Stratum corneum
  • Stratum lucidum
  • Stratum Granulosum
  • Stratum Spinosum
  • Stratum Basale

Questão 5

Questão
What is the most superficial layer of the epidermis?
Responda
  • Stratum Corneum
  • Stratum Lucidum
  • Stratum Granulosum
  • Stratum Spinosum
  • Stratum Basale

Questão 6

Questão
Which layer of the epidermis is only found in thick skin?
Responda
  • Stratum corneum
  • Stratum lucidum
  • Stratum granulosum
  • Stratum spinosum
  • Stratum basale

Questão 7

Questão
Where on the body would you find thick skin?
Responda
  • Soles of the feet
  • Knees
  • Fingertips
  • Palms of the hands
  • Lips

Questão 8

Questão
Between which layers of the epidermis is the stratum lucidum found?
Responda
  • Between the stratum corneum and the stratum granulosum
  • Between the stratum granulosum and the stratum spinosum
  • Between the stratum spinosum and the stratum basale

Questão 9

Questão
What is the function of the stratum basale?
Responda
  • Endure the normal wear and tear of everyday life
  • Produce keratin and hydrophobic substances which keep the skin waterproof
  • Allow keratinocytes to mature and play a role in immune function
  • Constantly produce keratinocytes

Questão 10

Questão
What is the function of the stratum granulosum?
Responda
  • Endure the normal everyday wear and tear
  • Produce keratin and hydrophobic substances that keep skin waterproof
  • Allow keratinocytes to mature and have a role in immunity
  • Constantly produce keratinocytes

Questão 11

Questão
What is the function of the stratum corneum?
Responda
  • Endure the everyday wear and tear of everyday life
  • Produce keratin and hydrophobic substances that help to keep skin waterproof
  • Allow keratinocytes to mature and has a role in immune function
  • Constantly produce keratinocytes

Questão 12

Questão
What is the function of the stratum spinosum?
Responda
  • Endures the normal everyday wear and tear
  • Produces keratin and hydrophobic substances that help to keep skin waterproof
  • Allow keratinocytes to mature and has a role in immunity
  • Constantly produces keratinocytes

Questão 13

Questão
How many days, on average, does it take for cells produced in the stratum basale to reach the stratum corneum?
Responda
  • 2 days
  • 5 days
  • 10 days
  • 20 days
  • 50 days

Questão 14

Questão
In what dermatological disease is the turnover of keratinocytes increased?
Responda
  • Atopic eczema
  • Psoriasis
  • Impetigo
  • Tinea

Questão 15

Questão
Which of the following are non-keratinising cells that can be found in the epidermis?
Responda
  • Merkel cells
  • Beta cells
  • Langerhan cells
  • Melanocytes
  • Kpuffer cells
  • Keratinocytes

Questão 16

Questão
What are Langerhan cells
Responda
  • Phagocytes
  • Antigen Presenting Cells
  • Pigment Producing Cells

Questão 17

Questão
What are Merkel Cells thought to do?
Responda
  • Act as sensory receptors
  • Produce the pigment that gives skin its colour
  • Produce collagen

Questão 18

Questão
What keeps the dermis and the epidermis separate?
Responda
  • A layer of fat
  • A layer of type II collagen
  • A basement membrane

Questão 19

Questão
What is the name of the upper layer of the dermis?
Responda
  • Papillary dermis
  • Reticular dermis

Questão 20

Questão
What is the name of the lower layer of the dermis?
Responda
  • Papillary dermis
  • Reticular dermis

Questão 21

Questão
Which of the following is not found within the dermis?
Responda
  • Fibroblasts, fibrocytes and their extracellular products
  • Collagen and elastin
  • Melanocytes
  • Glycosaminoglycans
  • Blood vessels and nerves
  • Some immune cells

Questão 22

Questão
Where is the deep vascular plexus?
Responda
  • Stratum basale of the epidermis
  • Reticular dermis only
  • Reticular dermis, with small branches entering the papillary dermis

Questão 23

Questão
Where is the superficial vascular plexus?
Responda
  • Stratum basale of the epidermis
  • Reticular dermis only
  • Reticular dermis, with branches running into the papillary dermis

Questão 24

Questão
Why does blood flow within the skin need to be variable?
Responda
  • To allow sensation
  • To allow blood to be directed to other areas of the body when they functioning more than usual
  • For thermoregulation

Questão 25

Questão
What nervous system allows the blood flow to the skin to be changed by constricting some of the anastamoses?
Responda
  • Sympathetic nervous system
  • Parasympathetic nervous system

Questão 26

Questão
What are the four different types of nerve endings found in the dermis?
Responda
  • Free nerve endings
  • Fixed nerve endings
  • Pacinian corpuscles
  • Meissner's corpuscles
  • Merkel cellls
  • Langerhan cells

Questão 27

Questão
What is the subcutis predominantly made up of?
Responda
  • Type II collagen
  • Type I collagen
  • Adipose tissue
  • Melanocytes

Questão 28

Questão
What are the functions of the subcutis?
Responda
  • Heat insulator
  • Produce vitamin D
  • Act as a food store
  • Produce melanin
  • Produce type II collagen
  • Act as a shock absorber

Questão 29

Questão
Which of the following are associated with hair follicles?
Responda
  • Apocrine sweat glands
  • Eccrine sweat glands
  • Sebaceous glands
  • Arrector pili muscles

Questão 30

Questão
What do sebaceous glands produce?
Responda
  • Watery substances
  • Sebum
  • Kertain for hair formation

Questão 31

Questão
What is the function of sebum?
Responda
  • It has antibiotic functions and protects us from bacteria
  • It moisturizes skin and hair
  • It allows us to lose heat when we are too hot

Questão 32

Questão
Hair and nails are made out of the same substance: keratin. True or false?
Responda
  • True
  • False

Questão 33

Questão
What does soft keratin contain that hard keratin does not?
Responda
  • Granular layer
  • Adipose tissue
  • Type II collagen

Questão 34

Questão
What are the two types of sweat gland found in skin?
Responda
  • Sebaceous
  • Apocrine
  • Eccrine

Questão 35

Questão
Which of these sweat glands produces smelly sweat?
Responda
  • Apocrine
  • Eccrine

Questão 36

Questão
What is the mechanism of secretion for eccrine sweat glands?
Responda
  • Holocrine
  • Apotosis
  • Merocrine

Questão 37

Questão
How are eccrine sweat glands innervated?
Responda
  • Sympathetic cholenergic control
  • Sympathetic adrenergic control
  • Parasympathetic cholenergic control

Questão 38

Questão
Where on the body are apocrine sweat glands found?
Responda
  • Hands and feet
  • Armpits
  • Genitalia and groin
  • Everywhere that there is thick hair on the body

Questão 39

Questão
What is the innervation of apocrine sweat glands?
Responda
  • Sympathetic adrenergic control
  • Sympathetic cholenergic control
  • Parasympathetic cholenergic control

Questão 40

Questão
What is the function of vitamin D?
Responda
  • Regulates calcium and phosphate metabolism
  • Regulates sodium and calcium metabolism
  • Regulates sodium and potassium metabolism

Questão 41

Questão
How much vitamin D is produced by our skin?
Responda
  • 25%
  • 55%
  • 70%
  • 90%

Questão 42

Questão
Lack of vitamin D in adults can cause what disease?
Responda
  • Osteomalacia
  • Osteoarthritis
  • Rickets
  • Osteoporosis

Questão 43

Questão
Where in the body is vitamin D activated?
Responda
  • Blood vessels
  • Kidneys
  • Spleen

Questão 44

Questão
In what layer of the epidermis are melanocytes found?
Responda
  • Stratum corneum
  • Stratum lucidum
  • Stratum granulosum
  • Stratum spinosum
  • Stratum basale

Questão 45

Questão
What is the histological appearance of melanocytes?
Responda
  • Dark, flat cells resting on the basement membrane
  • Cells with many dendrites which mostly penetrate the basale layer
  • Round cells with visible granules inside

Questão 46

Questão
What does melanin do?
Responda
  • Gives skin its colour
  • Protects the skin from harmful UV radiation
  • All of the above

Questão 47

Questão
What are the two types of melanin?
Responda
  • Eumelanin
  • Pheomelanin
  • Fibromelanin
  • Neomelanin

Questão 48

Questão
How do these two types of melanin cause the wide range of skin colours seen in humans?
Responda
  • They are mixed in different ratios
  • Darker skinned people have more melanin than lighter skinned people
  • Lighter skinned people only have one type of melanin

Quer criar seus próprios Quizzes gratuitos com a GoConqr? Saiba mais.

Semelhante

4. The Skeletal System - bones of the skull
t.whittingham
Neuro anatomy
James Murdoch
Respiratory anatomy
James Murdoch
Respiration
Sarita Saha
Endocrine System Practice Essay Questions
Taneka Dunn
Complete Skeleton
Malori Lindsay
The structure of the heart
rachel_w
Epidemiology
Danielle Richardson
History of Medicine: Ancient Ideas
James McConnell
Epithelial tissue
Morgan Morgan
Laboratory Tools
Christopher Nikolo R. Magtoto
Explore a Biblioteca