Page 193 - 86 human physiology part-2

Chapter 20

4-An additional chemical defense found in tears and saliva?

A) T lymphocytes
B) saline
• C) lysozyme
D) EFC

5-Which of the following does complement protein perform

A) They cause antibody release
B) T cell development
C) The release if histamine
D) Promotes tissue repair
• E) Mast cell degranulation

6-Which substance induces fever?

• A) Pyrogen
B) Pus
C) Monocytes
D) Edema
E) Interferon

7-Major function(s) of the lymphatic system is/are?

A) provide route for return of extracellular fluid
B) act as drain off for inflammatory response
C) render surveillance, recognition , and protection against foreign materials via lymphocytes,
phagocytes, and antibodies.
D) a and c
• E) all of the above

8-An antigen is:

A) a chemical messenger that is released by virus infected cells
B) a lymphocyte responsible for cell-mediated immunity
C) something that coats the inside of lungs, causing infection
• D) a protein or other molecule that is recognized as non-self
E) a thick yellow-white fluid

9-A foreign substance, usually a protein, that stimulates the immune system to react, such as by
producing antibodies is a ______________.

A) allergen
• B) antigen
C) histamine
D) mast cell
E) interferon

408 | Human Physiology