Author Question: A nurse remembers that the primary actions of the complement cascade include: (select all that ... (Read 90 times)

ETearle · **on:** Jun 25, 2018

A nurse remembers that the primary actions of the complement cascade include: (select all that apply)

a. increased vascular permeability.
b. vasoconstriction.
c. chemotaxis.
d. opsonization.
e. cell killing.
f. increased clotting.

Question 2

Physical barriers that offer the body protection from damage and infection are located in the: (select all that apply)

a. gastrointestinal tract.
b. genitourinary tract.
c. respiratory tract.
d. lymph system.
e. hematopoietic system.

dyrone · **Reply #1 on:** Jun 25, 2018

Answer to Question 1

ANS: A, C, D, E
The actions of the complement cascade include increased vascular permeability and vasodilation, chemotaxis, opsonization, and cell killing. They do not involve vasoconstriction or increased clot-ting.

Answer to Question 2

ANS: A, B, C
The physical barriers that cover the external parts of the human body offer considerable protec-tion from damage and infection. These barriers are composed of tightly associated epithelial cells of the skin and of the linings of the gastrointestinal, genitourinary, and respiratory tracts.