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BIO201_MH_V3
Topic 6: Integumentary System
Started on Tuesday, September 7, 2021, 12:15 PM
State Finished
Completed on Tuesday,
... [Show More] September 7, 2021, 12:48 PM
Time taken 33 mins 2 secs
Grade 35.00 out of 35.00 (100%)
Question 1
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Question textThe figure illustrates keratinization in the epidermis. What layer of the epidermis is "A"?Select one:
a. stratum spinosum
b. stratum corneum
c. stratum basale
d. stratum lucidum
e. stratum granulosum
Question 2
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Question text
Which of the following statements is true?
Select one:
a. In males, the hairs of the beard are vellus hairs.b. Both vellus and terminal hairs are pigmented.
c. The majority of hair on the chest is vellus hair.
d. At puberty, much of the vellus hair is replaced with terminal hair.
e. Hair in the axillary region is vellus hair after puberty.
Question 3
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Question text
What does structure "B" represent on the diagram?Select one:
a. hair follicle
b. arrector pili
c. epidermis and dermis
d. hypodermis
e. sebaceous gland
Question 4
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Question text
Cedric slipped and cut his finger. The cut bled, but did not penetrate to the hypodermis. The
deepest layer penetrated was the
Select one:
a. stratum spinosum.
b. stratum granulosum.c. stratum basale.
d. stratum corneum.
e. papillary layer of the dermis.
Question 5
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Question text
The epidermal layer that is present in the nail bed and the nail matrix is the
Select one:
a. stratum corneum.
b. stratum lucidum.
c. stratum basale.
d. stratum spinosum.
e. stratum lunula.
Question 6
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Question text
If you accidentally cut your arm and see connective tissue and fat, which layer(s) was/were
cut?
Select one:
a. stratum corneum
b. stratum basale
c. dermis
d. hypodermise. all of these layers
Question 7
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Question text
What protein is found in the nails, hair, and epidermis?
Select one:
a. melanin
b. keratin
c. carotene
d. elastin
e. collagen
Question 8
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Question text
When the skin develops a reddish color due to a temporary increase in blood flow, the
condition is called:
Select one:
a. erythema
b. cyanosis
c. jaundice
d. albinism
Question 9
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Question text
The length of hair is determined by the
Select one:
a. size of the hair bulb.
b. angle of the hair root.
c. rate of hair growth.
d. length of the resting stage.
e. age of the person.
Question 10
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Question text
Which of the following statements regarding melanin is true?
Select one:
a. During pregnancy melanin production is increased.
b. Both melanocytes and keratinocytes produce melanin.
c. In Addison's disease, less melanin is produced.
d. Men produce more melanin than women.
e. Melanin is a white pigment.
Question 11
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Question text
The vesicles that contain melanin are called ______.
Select one:
a. melanosomes
b. melanocytes
c. keratinocytes
d. Golgi apparatus
Question 12
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Question text
Which of the following statements concerning vitamin D is false?
Select one:
a. Vitamin D begins its synthesis in the skin when the skin is exposed to ultraviolet light.
b. Vitamin D causes the kidney to excrete calcium.
c. Vitamin D is necessary for the uptake of calcium from the intestine.
d. Vitamin D is necessary for the formation of bones and teeth.
e. Vitamin D is important for calcium homeostasis.
Question 13
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By reducing body temperature during hot weather, skin helps to maintain
Select one:
a. body temperature homeostasis.
b. body structure.
c. blood volume.
d. brain activity.
e. blood pH.
Question 14
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Question text
What type of burn appears white or black with no immediate pain?
Select one:
a. first-degree
b. second-degree
c. third-degree
d. fourth-degree
e. partial-thickness
Question 15
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Question text
Squamous cell carcinoma is the second most common type of skin cancer that affects the
_____ layer of the skin.Select one:
a. reticular layer of dermis
b. stratum spinosum
c. stratum granulosum
d. stratum basale
e. stratum corneum
Question 16
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Question text
A burn classified as partial thickness could be _____.
Select one:
a. first or second degree
b. second or third degree
c. epidermal or dermal
d. thin or deep
Question 17
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Question text
Which of the following is NOT a complication of a major burn?
Select one:
a. fever
b. electrolyte imbalance
c. hypermetabolic stated. weight loss
e. decreased protein demand
Question 18
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Question text
Which of the following is NOT associated with impetigo?
Select one:
a. Bacterial infection
b. Skin blisters with pus
c. Herpes Simplex II
d. Affects children
e. Yellowish crust
Question 19
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Question text
Which type of skin cancer is the most deadly?
Select one:
a. basal cell carcinoma
b. squamous cell carcinoma
c. melanoma
d. Kaposi's sarcoma
e. psoriasisQuestion 20
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Question text
The effects of aging on the skin include all of the following except:
Select one:
a. thinner epidermis
b. reduction in collagen and elastin
c. loss of fat from the subcutaneous tissue
d. increases in sebaceous gland activity [Show Less]