WorksheetsIntegumentary System Intro
Total questions: 23
Worksheet time: 35mins
Which of these are avascular?
hypodermis
epidermis
hair follicle
dermis
which of these are composed of keratinized epithelial tissue?
hypodermis
epidermis
dermis
The integumentary system composes of how many pounds of our body weight?
9-11 lbs
5-6 lbs
7-8 lbs
14-16 lbs
Which of these is NOT part of the integumentary system?
Nails
Skin
Oil Glands
hypodermis
What layer is #10?
dermal papillae
dermis
hypodermis
epidermis
which of these are mostly composed of fibrous connective tissue?
dermis
epidermis
hypodermis
Which of these layers contain stem cells that are actively dividing (mitotic), to produce two daughter cells each cycle
Stratum spinosum
stratum basale
Stratum granulosum
Stratum corneum
The hypodermis is mostly adipose tissue that absorbs shock and insulates
True
False
Which of these are the function of melanocytes
Sensory receptors that sense touch
key activators of immune system
protect nucleus from UV damage
protein that gives skin its protective properties
What is #6?
nervous structures
blood vessels
eccrine sweat gland
arrector pilli
Number these layers in order from least to greatest (deepest to superficial)
Stratum lucidum
Stratum basale
Stratum granulosum
Stratum corneum
Stratum spinosum
Example.) stratum spinosum (1)
(a)
Which of these are a function of Dendritic (Langerhans) cells?
protein that gives skin its protective properties
Sensory receptors that sense touch
protect nucleus from UV damage
key activators of immune system
What is #9?
dermis
hypodermis
reticular layer
sweat pores
Which of these layers contain intermediate prekeratin filaments attached to desmosomes?
Stratum lucidum
Stratum basale
Stratum granulosum
Stratum spinosum
Which of these layers contain a translucent band of two to three rows of clear, flat, dead keratinocytes
stratum lucidum
Stratum spinosum
Stratum granulosum
Stratum corneum
Which of these is a function of keratinocytes?
protect nucleus from UV damage
protein that gives skin its protective properties
key activators of immune system
Sensory receptors that sense touch
Which of these layers protect deeper cells from the environment, prevent water loss, protect from abrasion and penetration and act as a barrier against biological, chemical, and physical assaults
stratum granulosum
stratum spinosum
stratum corneum
stratum lucidum
What is apoptosis?
cell death
cell regeneration
tissue damage
tissue repair
apoptosis occurs as dead cells sloughing off as dandruff and dander
True
False
Which of these is not found in the dermis layer?
fibers in matrix
macrophages
4-5 distinct layers of skin
white blood cells
The epidermis is composed of which of the following tissues?
Stratified columnar epithelial tissue
Dense irregular connective tissue
Keratinized stratified squamous epithelial tissue
Adipose connective tissue
Flexure lines are dermal folds at or near the joints
False
True
What is cyanosis?
Iron-containing red pigment found in red blood cells
Redness, reddened skin from embarrassment, exercise, inflammation
Yellow to orange pigment accumulated in hypodermis & stratum corneum
Skin appears bluish-gray from poorly-oxigenated hemoglobin
