Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Question
1. A)
A major function of the skin is protection from ______.
| A. |
abrasion
|
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| B. |
ultraviolet light
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| C. |
entry of a microorganism
|
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| D. |
dehydration
|
|
| E. |
All of the above
|
B)
What is one important function of melanin?
| A. |
Resets the diurnal biological clock
|
|
| B. |
Increases the amount of blood vessels
|
|
| C. |
Causes the skin to become cooler
|
|
| D. |
Absorbs harmful radiation
|
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| E. |
Strengthens the skin or eyes
|
C)
Most of the cells of the epidermis are ________________.
| A. |
fibroblasts
|
|
| B. |
keratinocytes
|
|
| C. |
macrophages
|
|
| D. |
Langerhans cells
|
D)
The epidermis is nourished by diffusion from capillaries in the ___________.
| A. |
papillary layer of the dermis
|
|
| B. |
hypodermis
|
|
| C. |
epidermis
|
|
| D. |
reticular layer of the dermis
|
E)
Cell division occurs in which layer of the epidermis?
| A. |
Stratum lucidum
|
|
| B. |
Stratum corneum
|
|
| C. |
Stratum basale
|
|
| D. |
Stratum granulosum
|
F)
Which of the following is NOT a component of the epidermis thin skin?
| A. |
Keratinized cells
|
|
| B. |
Keratin
|
|
| C. |
Capillaries
|
|
| D. |
Melanocytes
|
G)
Which statement is true about a tan and tanning?
| A. |
Sunning for the purpose of tanning produces healthier skin.
|
|
| B. |
A tan indicates sun damage to the skin.
|
|
| C. |
Tans last even if the skin is not exposed to the sun for months.
|
|
| D. |
Tanning promotes skin with a more youthful appearance.
|
|
| E. |
B and C
|
H)
In which layer of the epidermis do the nucleus and other organelles disintegrate and the cells die?
| A. |
Stratum corneum
|
|
| B. |
Stratum granulosum
|
|
| C. |
Stratum lucidum
|
|
| D. |
Stratum basale
|
I)
Which of the following associations is INCORRECT?
| A. |
Keratinocytes; found in the stratum spinosum
|
|
| B. |
Langerhans cells; immune cells
|
|
| C. |
Melanocytes; typically found in the stratum corneum
|
|
| D. |
Adipocytes; fat cells
|
|
| E. |
None of the above
|
J)
The _________ consists of many layers of dead squamous cells surrounded by lipids.
| A. |
stratum corneum
|
|
| B. |
stratum basale
|
|
| C. |
dermis
|
|
| D. |
hypodermis
|
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- Know how to identify goblet cells in an image of a microscope slide. 19. What is the function of goblet cells? In which tissue listed above did you observe these cells? Name at least one location in the body where each specific tissue listed above is found. columnar epithelium, and stratified squamous epithelium in an image of a microscope slide. connective tissues have a large amount of intercellular space called matrix. Matrix is made of ground substance (anywhere from liquid to rigid depending on the tissue) and fibers (collagen 18. Know how to identify simple squamous epithelium, simple cuboidal epithelium, si 20. Know the general characteristics that all connective tissues have in common. Remember that n, simple and/or elastic). 21. Name the functions of connective tissue. 22. Areolar connective tissue is a type of loose connective tissue. What types of cells are found in this tissue? Give their functions What types of fibers? Where is this tissue found? What are its functions?…arrow_forwardWhich of the following is not a function of body hair in humans? a. Protection from the environment b. Sensation c. Protection from mechanical trauma d. Regulation of blood flowarrow_forwardThe farther the epidermal cell move from the dermis A. The more cube shaped the are. B. The poorer their nutrient supply because C. The younger they are D. The less keratin E. All of the abovearrow_forward
- The skin dermis is composed of ________________________. A. elastic connective tissue B. fibrocartilage tissue C. adipose connective tissue D. dense irregular connective tissuearrow_forward2. The hands and feet experience high amounts of abrasion. It contains so called thick skin having five epidermal strata. Which epidermal layer in thick skin consists of dead keratinocytes? a. stratum corneum b. stratum spinosum c. stratum granulosum d. a and b e. a, b, and carrow_forwardAll of the following would have thin skin EXCEPT: A. scalp B. forehead C. soles of feet D. back of the handarrow_forward
- Use the list below to determine the correct terms. Keratinocytes start producing A. Shaft ,which makes our skin tough and water resistant, and ,which promotes the dehydration of skin cells. The reticular layer within our B. Hair bulb, hair papilla ,contains a network of collagen, reticular, and elastic fibers. The hypodermis, because of its c. Arrector Pili. large amount of acts as an energy reservoir and thermal insulation. The _is the part of the D. Keratin, Keratohyalin hair that protrudes from the epidermis. The deepest portion of the hair E. Dermis follicle is made of ,the inner portion of this structure encompasses the The papilla's surrounding layer isF. Nail root composed of thearrow_forwardMatch the following epidermal layers and corresponding cells provided below with the given illustration Thick skin (palm and foot sole) approximately 1.5 mm thick Thin skin, approximately 0.1 mm thick 5. 6. 7. 1. 1. 2. - 9. 2. 3. 4. 3. 4. 10. 11. 12.arrow_forward
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