1. UNIT 2- Integumentary System
Clicker Review

2. 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.

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

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

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

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

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

8. 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

9. 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

10. 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

11. 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

12. All races have the same number of melanocytes.
TRUE
FALSE

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

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

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

16. 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

17. 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

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

19. 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

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

21. 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

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

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

24. 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

25. 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

26. 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

27. 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

28. 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.

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

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

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

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

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

34. 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

35. 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

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