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True-False Quiz

True-False Quiz

This activity contains 22 questions.

Question 1
1 Wounded skin releases large quantities of protective peptides that help prevent some infections.
   
 
End of Question 1


Question 2
2 A surgical incision performed on the forearm will heal more readily if the incision is made along a longitudinal plane rather than along a transverse plane.
   
 
End of Question 2


Question 3
3 Because of the great thickness of the epidermis, it is very vascular.
   
 
End of Question 3


Question 4
4 Dermal blood vessels hold 2% of the body's blood.
   
 
End of Question 4


Question 5
5 Sweat is produced as a holocrine secretion, in which the cells themselves break up to form the product.
   
 
End of Question 5


Question 6
6 The dermis functions in helping to control body temperature.
   
 
End of Question 6


Question 7
7 The body produces carotene when exposed to sunlight.
   
 
End of Question 7


Question 8
8 The hypodermis is also known as the subcutaneous layer as well as the deep fascia.
   
 
End of Question 8


Question 9
9 The main function of our body hair is to prevent heat loss.
   
 
End of Question 9


Question 10
10 The matrix cells of a hair follicle are the stem cells that produce the growing hair.
   
 
End of Question 10


Question 11
11 The melanocytes are the most abundant cells in the epidermis.
   
 
End of Question 11


Question 12
12 The skin functions in synthesizing vitamin D.
   
 
End of Question 12


Question 13
13 The sebaceous and sweat glands, located in the dermis, are derived from the epidermis.
   
 
End of Question 13


Question 14
14 The superficial region of the skin is called the epidermis.
   
 
End of Question 14


Question 15
15 Thick skin is composed of four strata of cells.
   
 
End of Question 15


Question 16
16 A cyanotic appearance in Caucasians is a symptom of liver disease.
   
 
End of Question 16


Question 17
17 A child who has been playing in the dirt will often accumulate dirt in the lunula of the nail.
   
 
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Question 18
18 Blood vessels in the dermis constrict when the external environment is cold, minimizing heat loss from the skin.
   
 
End of Question 18


Question 19
19 Melanin functions as an effective "sunscreen".
   
 
End of Question 19


Question 20
20 New skin lotions have been developed that can "fix" damaged DNA before the cells develop into cancer cells.
   
 
End of Question 20


Question 21
21 The dermis contains two histologically separate areas.
   
 
End of Question 21


Question 22
22 Arrector pili muscles cause "Goosebumps".
   
 
End of Question 22


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