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Integumentary System
Test Description: Physiology review
Instructions: Answer all questions to get your test result.
1) Which of the following is not a function of the skin?
A
Protection against outside bacteria
B
Synthesis of Vitamin E
C
Regulation of body temperature
2) Where is the hair follicle found?
A
Subcutaneous Layer
B
Bone
C
Dermis
D
Epidermis
3) Keratinocytes are the most important of the epidermal cells because
A
they help our skin grow
B
They are able to reproduce quickly
C
they are able to transform from living cells to plasma membranes and still function
D
they produce a fibrous protein that gives the skin its protective properties
4) The design of a person’s epidermal ridges is determined by the manner in which the papillae rest upon the dermal ridges to produce specific pattern known as fingerprints. Which of the following statements is true regarding fingerprints?
A
Fingerprints are genetically determined and therefore unique to each person
B
Every human being has the exact same ridges
C
Looking at the number of ridges in fingerprints tells you the age of the person.
D
Twins have the same fingerprints
5) Which of the following statements best describes what fingernails actually are
A
fingernails are a slightly different, harder version of epidermal tissue
B
Fingernails never grow back
C
fingernails are extensions of the carpal bone
D
fingernails are a separate tissue from skin
6) The white crescent portion at the end of the nail is called the
A
cuticle
B
lunula
C
fingernail top thing
D
nail bed
7) Deeper layer of skin; strong and flexible connective tissue; binds the entire body together
A
epidermis
B
dermis
C
hair
D
Hypodermis
8) Thickened, proximal portion of nail bed; responsible for nail growth
A
Cuticle
B
Nail Matrix
C
Lunula
D
Nail bed
9) What is the portion of the hair shaft that is embedded in skin?
A
matrix
B
root
C
follicle
D
cortex
10) Dermal folds at or near joints; found where the dermis is tightly secured to deeper structures; includes deep creases of palm, wrists, fingers, toes, etc.
A
Flexure Lines
B
Cleavage Lines
C
Dermal ridges
D
Fingerprints
*select an answer for all questions
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