UNIT 2- Integumentary System Clicker Review

Which of the following is true in regards to the epidermis? It is avascular. It contains adipose tissue. It is not a true layer of skin. It contains receptors for hot & cold. Both 1 and 4 are true. None of the above are true.

What types of cells are NOT found in the epidermis? Keratinocytes Melanocytes Langerhans Cells Neurons

Where does mitosis take place? Stratum corneum Stratum basale Stratum lucidum Basement membrane Stratum granulosum

Our skin adds more keratin in areas of excess friction. This is called… a bunion a blister a callus a scar

Cells in this layer become keratinized. Stratum corneum Stratum basale Stratum lucidum Basement membrane Stratum granulosum

Where is sebum produced? Suderiferous glands Sebaceous glands Ceruminous glands Eccrine glands

Cerumunous Sebaceous Eccrine Apocrine What is the name of the gland that responds during emotional stress & is found in the armpits and groin? Cerumunous Sebaceous Eccrine Apocrine

Mammary glands Ceruminous glands Sudoriferous glands Apocrine glands What is the name for the specialized sweat glands that produce milk for infants? Mammary glands Ceruminous glands Sudoriferous glands Apocrine glands

Hypothalamus Parathyroid glands Ceruminous glands None of the above What is the name for the specialized sweat glands that produce ear wax? Hypothalamus Parathyroid glands Ceruminous glands None of the above

Adrenal glands Sebaceous glands Eccrine glands 1 & 3 2 & 3 These glands are involved in thermoregulation. They are also larger & occur more frequently on the palms, soles, and forehead. Adrenal glands Sebaceous glands Eccrine glands 1 & 3 2 & 3

All races have the same number of melanocytes. TRUE FALSE

What are the names of the white blood cells found in the epidermis? Lymphocytes Langerhans cells Macrophages Neutrophils

Hair and nails are modified types of these. Melanocytes Langerhabcs Cells Keratinocytes Fibroblasts

What are the most common types of cells found in the epidermis? Melanocytes Langerhans cells Neurons Keratinocytes

Connective cells Fibroblasts Collagocytes Elastinocytes 3 & 4 What are the names of the cells found in the dermis that produce collagen & elastin? Connective cells Fibroblasts Collagocytes Elastinocytes 3 & 4

warts callus blister ringworm What do we call a raised area (commonly on hands or feet) that is caused by a virus? warts callus blister ringworm

What is another name for a lice infestation? shingles impetigo psoriasis pediculosis

Psoriasis Athlete’s foot Ringworm Moles What do we call the condition where skin has red patches covered with scales? Psoriasis Athlete’s foot Ringworm Moles

acne cyanosis jaundice ringworm This is a contagious fungal infection contracted through direct or indirect contact. acne cyanosis jaundice ringworm

Regrowth of blood vessels All of the above occur in both 1 and 3 What processes occur in deep tissue healing that don’t occur in shallow tissue healing? Division of cells Collagen formation Regrowth of blood vessels All of the above occur in both 1 and 3 2 and 3

Which vitamin is produced by the skin when its precursor is exposed to sunlight?

Acne is a disorder of the ____? Sebaceous glands Epidermis Eccrine glands Hypodermis

1st degree 2nd degree 3rd degree Critical burn What type of burn does this person have? Epidermis & dermis are burned; blistering & pain are present 1st degree 2nd degree 3rd degree Critical burn

Stratum basale Stratum corneum Stratum lucidum Stratum spinosum When a person experiences dandruff, what layer of cells is sloughing off? Stratum basale Stratum corneum Stratum lucidum Stratum spinosum Stratum granulosum

Lack of melanocytes Lack of melanin Lack of keratinocytes What is albinism? Lack of melanocytes Lack of melanin Lack of keratinocytes Lack of keratin Both 1 & 2 Both 3 & 4

Which of the following does NOT cause a bed sore (pressure sore)? Restricted blood flow Tissues deprived of nutrients Cells die & tissues break down Broken blood vessels

A cell with half the number of chromosomes as the parent cell. What is a stem cell? A cell with half the number of chromosomes as the parent cell. A cell with twice the number of chromosomes as the parent cell. A cell that divides by mitosis & leads to more than 1 cell type. A cell that undergoes meiosis in order differentiate.

Which of the following is NOT a function of connective tissue? Protection Filtration Support Binding together

Which of the following is NOT a function of epithelial tissue? Filtration Protection Absorption Secretion All are functions

Which of the following is NOT a type of muscle tissue? Cartilage Smooth Skeletal Cardiac

Which of the following is NOT found in sweat? water salt urea oil

What happens in vasodilation? Heart pumps faster Blood vessel diameter gets smaller Blood vessel diameter gets bigger None of the above

When a shallow cut heals, what happens? Epithelial cells divide Blood vessels are repaired Pathogens are destroyed by white blood cells 1 & 3 All of the above

Partial separation of epidermis from dermis What is a blister? Partial separation of epidermis from dermis Partial separation of dermis from hypodermis Blockage of sebaceous gland Extra cell division of Keratinocytes

Which of these types of cancer is the most dangerous? Squamous cell carcinoma Basal cell carcinoma Melanoma All are equally dangerous