Artem Brenner (username: abrenner3256) Attempt 1
Written: Oct 3, 2021 10:42 PM - Oct 3, 2021 11:10 PM
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Question 1 1 / 1 point
How many of the 4 types of tissue are found in the integument?
Question options:

A)

1

B)

2

C)

3

D)

4
Question 2 0 / 1 point
The epidermis contains 4-5 layers of connective tissue.
Question options:
A) True
B) False
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What kind of tissue makes up the epidermis?

Question 3 0 / 1 point
Which of the following layers is not always present in the skin?
Question options:

A)

reticular layer

B)

stratum corneum

C)

stratum lucidum

D)

papillary layer
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The dermis is always made of two layers.

Question 4 0 / 1 point
By the time cells migrate to the most superficial layer of the epidermis, they are dead because they are filled with:
Question options:

A)

melanin

B)

melatonin

C)

keratin

D)

adipose
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Melanin doesn't migrate in skin cells

Question 5 0.429 / 1 point
Melanin (choose all that apply):

Question options:

1)

protects the skin from UV radiation

2)

waterproofs the skin

3)

gives skin its color

4)

is produced at the same rate in everyone

5)

causes skin cells to die

6)

protects the skin from losing too much water

7)

gives hair and eyes their color

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This is the function of keratin.

Melanin protects cells.

Question 6 1 / 1 point
The skin functions in protection. One of those ways is an immune cell called a:
Question options:

A)

Langerhan's cell

B)

Merkel's cell

C)

desmosome

D)

keratinocyte
Question 7 0 / 1 point
The dermis is vascular tissue.
Question options:
A) True
B) False
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The dermis is connective tissues and connective tissues are all vascular except for cartilage.

Question 8 0.333 / 1 point
The tissue type of the dermis is (choose all that apply):

Question options:

1)

dense irregular connective tissue

2)

stratified squamous

3)

loose areolar

4)

dense regular connective tissue

5)

simple cuboidal

6)

osseous

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This is a type of epithelial tissue. Is the dermis made of epithelial tissue?

Dense regular connective tissue is found in areas where great strength and very little flexibility is needed.

Question 9 1 / 1 point
The skin is an organ of synthesis. What does it synthesize?
Question options:

A)

Vitamin K

B)

Vitamin E

C)

Vitamin D

D)

Vitamin A
Question 10 0 / 1 point
The bulk of the accessory structures of the skin are located in the:
Question options:

A)

stratum spinosum

B)

dermis

C)

hypodermis

D)

stratum lucidum
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This is epidermis. The epidermis is made of epithelial tissue which is tightly packed cells - little room for anything else.

Question 11 0 / 1 point
A major difference between eccrine and apocrine sweat glands is that:
Question options:

A)

apocrine sweat glands are found throughout the body. Eccrine sweat glands are only found in the areolar, anus, and armpits.

B)

eccrine sweat glands secrete into hair follicles

C)

apocrine sweat glands are only found in the areolar, anus, and armpits. Eccrine sweat glands are found throughout the body.

D)

eccrine sweat glands secrete a thicker substance than apocrine glands
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No - apocrine sweat glands are the ones that secrete into hair follicles.

Question 12 1 / 1 point
Sebaceous glands excrete what kind of material?

Question options:

1)

water

2)

electrolytes/ions

3)

lipids/oils/fats

4)

proteins
Question 13 1 / 1 point
When the internal body temperature drops, which of these does not happen?

Question options:

A)

skeletal muscles will contract involuntarily

B)

sweat glands decrease excretion

C)

blood vessels constrict

D)

blood vessels dilate

Question 14 1 / 1 point
Severe burns on the skin covering large areas are life-threatening because:
Question options:

A)

the skin has so many functions that large portions of the skin aren't performing them anymore

B)

if skin is not replaced in a timely manner, further sunburns could exacerbate things

C)

the skin will no longer be able to make vitamin E if it is not healed

D)

the dermis cannot offer protection against UV radiation
Question 15 1 / 1 point
A shortened "turnover time" results in the formation of a .

Question options:

A)

bruise

B)

callus

C)

scar

D)

stretch mark