An injury in which the epidermis remains intact, but blood vessels and cells in the dermis are injured, is called a(n):
A) avulsion. B) concussion. C) abrasion. D) contusion.
Question 2
Signs of impending danger in the setting of a crowd include all of the following EXCEPT:
a. hostilities toward anyone on the scene.
b. increasingly loud voices.
c. inability of police to control bystanders.
d. rapid decrease in crowd size.
