UNIT 2- Integumentary System

Clicker Review

Which of the following is true in regards to the epidermis?

1. It is avascular.2. It contains adipose tissue.3. It is not a true layer of skin.4. It contains receptors for hot & cold.5. Both 1 and 4 are true.6. None of the above are true.

What types of cells are NOT found in the epidermis?

1. Keratinocytes2. Melanocytes3. Langerhans Cells4. Neurons

Where does mitosis take place?

1. Stratum corneum2. Stratum basale3. Stratum lucidum4. Basement membrane5. Stratum granulosum

Our skin adds more keratin in areas of excess friction. This is called…

1. a bunion2. a blister3. a callus4. a scar

Cells in this layer become keratinized.

1. Stratum corneum2. Stratum basale3. Stratum lucidum4. Basement membrane5. Stratum granulosum

Where is sebum produced?

1. Suderiferous glands2. Sebaceous glands3. Ceruminous glands4. Eccrine glands

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

1. Cerumunous2. Sebaceous3. Eccrine4. Apocrine

What is the name for the specialized sweat glands that produce milk for infants?

1. Mammary glands2. Ceruminous glands3. Sudoriferous glands4. Apocrine glands

What is the name for the specialized sweat glands that produce ear wax?

1. Hypothalamus 2. Parathyroid glands3. Ceruminous glands4. None of the above

These glands are involved in thermoregulation. They are also larger & occur more frequently on the palms, soles,

and forehead.1. Adrenal glands2. Sebaceous glands3. Eccrine glands4. 1 & 35. 2 & 3

All races have the same number of melanocytes.

1. TRUE2. FALSE

What are the names of the white blood cells found in the epidermis?

1. Lymphocytes2. Langerhans cells3. Macrophages4. Neutrophils

Hair and nails are modified types of these.

1. Melanocytes2. Langerhabcs Cells3. Keratinocytes4. Fibroblasts

What are the most common types of cells found in the epidermis?

1. Melanocytes2. Langerhans cells3. Neurons4. Keratinocytes

What are the names of the cells found in the dermis that produce collagen & elastin?

1. Connective cells2. Fibroblasts3. Collagocytes4. Elastinocytes5. 3 & 4

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

1. warts2. callus3. blister4. ringworm

What is another name for a lice infestation?

1. shingles2. impetigo3. psoriasis4. pediculosis

What do we call the condition where skin has red patches covered with scales?

1. Psoriasis2. Athlete’s foot3. Ringworm4. Moles

This is a contagious fungal infection contracted through direct or indirect contact.

1. acne2. cyanosis3. jaundice4. ringworm

What processes occur in deep tissue healing that don’t occur in shallow tissue healing?

1. Division of cells2. Collagen formation3. Regrowth of blood vessels4. All of the above occur in both5. 1 and 36. 2 and 3

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

1. A2. B12

3. D4. E

Acne is a disorder of the ____?

1. Sebaceous glands2. Epidermis3. Eccrine glands4. Hypodermis

What type of burn does this person have? Epidermis & dermis are burned; blistering &

pain are present1. 1st degree2. 2nd degree3. 3rd degree4. Critical burn

When a person experiences dandruff, what layer of cells is sloughing off?

1. Stratum basale2. Stratum corneum3. Stratum lucidum4. Stratum spinosum5. Stratum granulosum

What is albinism?

1. Lack of melanocytes2. Lack of melanin3. Lack of keratinocytes4. Lack of keratin5. Both 1 & 26. Both 3 & 4

Which of the following does NOT cause a bed sore (pressure sore)?

1. Restricted blood flow2. Tissues deprived of nutrients3. Cells die & tissues break down4. Broken blood vessels

What is a stem cell?1. A cell with half the number of chromosomes as the

parent cell.2. A cell with twice the number of chromosomes as the

parent cell.3. A cell that divides by mitosis & leads to more than 1

cell type.4. A cell that undergoes meiosis in order differentiate.

Which of the following is NOT a function of connective tissue?

1. Protection2. Filtration3. Support4. Binding together

Which of the following is NOT a function of epithelial tissue?

1. Filtration2. Protection3. Absorption 4. Secretion5. All are functions

Which of the following is NOT a type of muscle tissue?

1. Cartilage 2. Smooth3. Skeletal4. Cardiac

Which of the following is NOT found in sweat?1. water 2. salt3. urea4. oil

What happens in vasodilation?1. Heart pumps faster 2. Blood vessel diameter gets smaller3. Blood vessel diameter gets bigger4. None of the above

When a shallow cut heals, what happens?1. Epithelial cells divide 2. Blood vessels are repaired3. Pathogens are destroyed by white blood cells4. 1 & 35. All of the above

What is a blister?1. Partial separation of epidermis from dermis2. Partial separation of dermis from

hypodermis3. Blockage of sebaceous gland4. Extra cell division of Keratinocytes

Which of these types of cancer is the most dangerous?

1. Squamous cell carcinoma2. Basal cell carcinoma3. Melanoma4. All are equally dangerous