Font size
WorksheetsIntegumentary System
Total questions: 50
Worksheet time: 26mins
The human integumentary system includes:
skin, nails, hair follicles, and glands
just the skin
the epidermis, dermis, and subcutaneous layer
muscles and bones
As cells are pushed from the deeper part of the epidermis toward the surface...
They divide continually
Their supply of nutrients improves
They die
They become dermal cells
The skin...
Retards water loss from deeper tissue
Excretes waste
Regulates body temperature
Synthesizes vitamin D
All of these
Epidermal cells are supplied with nutrients from blood vessels located in the
Epidermis
Epidermis and Dermis
Dermis
Subcutaneous layer
The main function of melanocytes is to
Remove dead cells by Phagocytosis
Help control body temperature
Produce melanin
Produce vitamin D
Cutaneous carcinomas are most commonly caused by exposure to
X rays
Gamma radiation
Ultraviolet Light
Carcinogenic chemicals
Exposure to ultraviolet light darkens the skin by stimulating production of
Melatonin
Carotene
Hemoglobin
Melanin
The shaft of a hair is composed of
Dead epidermal cells
Living epidermal cells
Dead dermal cells
Living dermal cells
Which of the following is a normal response to excess loss of body heat in a cold environment?
Dermal blood vessels constrict
Sweat glands become inactive
Skeletal muscles contract involuntarily
All of these
Keratinocytes...
Produce skin pigments in cell organelles called melanosomes
Are found in both the dermal and the epidermal layers of the skin
Are specials cells of the immune system
Are responsible for the permeability characteristics of the epidermis.
Which of the following statements concerning the epidermis is true?
The dermis is superficial to the epidermis
The epidermis contains numerous blood vessels
The most numerous cells in the epidermis are the meloncytes
The epidermis is nourished by blood vessels located in the dermis
The layer of epidermis that undergoes mitosis...
Stratum basale
Stratum granulosum
Stratum lucidum
Stratum corneum
The thin skin is different from thick skin because it does not have...
Stratum corneum
Stratum granulosum
Stratum lucidum
Stratum basale
The subcutaneous layer is distinguishable from the dermis by its abundance of...
Vascular tissue
Nervous tissue
Epithelial tissue
Adipose tissue
Absence of pain in the burned area is characteristic of which type of burn?
1st degree
2nd degree
3rd degree
OUCH!!!
The secretion that prevents drying of the eardrum and also protects against ear infections is...
Sebum
Cerumen
Sweat
Tissue fluid
A nurse noticed cyanosis of the skin of a patient that could be caused by lack of oxygen. What color was the skin?
blue color
yellow color
redness
paleness
Which of the following cells play an active role in immunity function of the skin?
Merkel cells
Keratinocytes
Melanocytes
Langerhan cells
Sebaceous glands are important for...
Production of Keratin
Body thermoregulation
Keeping skin and hair soft and flexible
Production of earwax
Thick skin can be found on the...
Back
Palms
Legs
Arms
The pink tone of the skin in light-skinned individuals as well as the prominent ''blushing'' of the cheeks in moments of embarrassment is due to...
Melanin
Vitamin D
Hemoglobin
Carotene
An individual with excessive epidermal shedding on the scalp may be prone to develop this condition
Seborrhea
Dermatitis
Acne
Dandruff
In Albinism, _____________ is lacking
Melanin
Keratin
Carotene
Keratinocytes
When arrector pili muscles contract...
''Goosebumps'' are formed
Hairs are shed
Sweat is released from sweat glands
Shivering occurs
Where does the body store fat?
Epidermis
Hypodermis
Dermis
Reticular Layer
What are the 5 layers of the epidermis?
(a)
A burn involving the epidermis and the upper layers of the dermis is called...?
A 1st degree burn
A 2nd degree burn
A 3rd degree burn
A full-thickness burn
The primary function of the Integumentary system is
As a sense receptor
Protection of underlaying structures
Body temperature regulation
Making vitamin D
The layer that is below the dermis and contains fat and blood vessels is called the,...?
Dermal papillae
Stratum germinativum
Stratum corneum
Subcutaneous layer
The layer in skin that gives you a unique set of fingerprints is the
Dermal papillae
Stratum germinativum
Stratum corneum
Subcutaneous layer
Which of the following is NOT a function of the subcutaneous layer of skin?
Produces melanin to protect skin from the ultraviolet rays of the sun
Stores fat that can be used for food
Protects the underlying tissue by acting as a ''shock absorber''
Help the body in temperature regulation
The layer of the epidermis that is constantly undergoing mitosis is called the...?
Dermal papillae
Stratum basale
Stratum corneum
Subcutaneous layer
The part of the hair that begins from a small cap-shaped cluster of cells is called...?
The hair follicle
The hair shaft
The hair papilla
None of the above
The root of the nail lies in a groove and is hidden by a fold of skin called the...?
Cuticle
Nail bed
Lunula
Nail body
The glands of skin that produce oil that lubricates the hair and skin are the...?
Sebaceous glands
Eccrine glands
Apocrine glands
Endocrine glands
What type of muscle is an arrector pili muscle?
Skeletal muscle
Cardiac muscle
Smooth muscle
Rapid muslce
What color does anemia cause the skin to appear?
Red
Pale
Blue
Yellow
What color does Cyanosis cause the skin to appear?
Pale
Green
Blue
Red
How does the epidermis get its nutrients?
It gets it from the Dermis by diffusion from blood
It gets it from the outer environment
It gets it from the Subcutaneous layer by diffusion
Absorption
What type of biomolecule is Keratin?
A Fat
A Carbohydrate
A Lipid
A Protein
Which of the following is NOT correct concerning the skin?
The dermis is usually thicker than the epidermis
The epidermis is composed of stratified squamous epithelium
The subcutaneous layer is between the dermis and the epidermis
The dermis contains smooth muscle and nerve tissue
The skin functions to:
Excrete waste substances
Regulate body temperature
Protect
All of these
The protein cells in the epidermis that toughen up the skin are called_________
Dendrite cells
Keratinocytes
Merkel cells
Melanocytes
As cells are pushed up from the deeper portion of the epidermis toward the surface....?
They divide continually
They tend to die
Their supply of nutrients improves
They become dermal cells
The main functions of Melanocytes is to ________
Remove dead cells
Help control body temperature
Protect deeper cells from sunlight
Produce vitamin D
The main function of melanocytes is to ________?
Remove dead cells
Help control temperature
Protect deeper cells from sunlight
Produce vitamin D
Some people have darker natural skin color than others because....?
They have more melanocytes
Their melanocytes produce more pigment
They inherited genes to be an albino
Their epidermis is thicker than average
Blood vessels that supply skin cells are found in the
Epidermis alone
Epidermis and Dermis
Dermis alone
Dermis and Subcutantous
Which layer provides insulation for the body?
Epidermis
Subcutaneous
Dermis
Both A and C
How is hair developed and shown in a human?
It develops from epidermal blood cells
It develops from subcutaneous Blood cells
It develops from dermal blood vessels
It develops from cutaneous cells
