Chpt 12 (questions from book)

Question 1

NCLEX. Which of the following acts as a filter for blodd, removing work-out red cells from circulation?

a. thymus
b. liver
c. spleen
d. lymph nodes
e. kidneys

Answer 1

Spleen

Question 2

NCLEX. The presence of intestinal microbiota is considered

a. first line of defense
b. second line of defense
c. third line of defense
d. none

Answer 2

First line

Question 3

1. A microorganism carries __ markers and a B cell carries __ markers
   a. self;non self
   b. nonself; self
   c. self; self
   d. non self; non self

Answer 3

Nonself markers, and B cell carries self markers

Question 4

4. Which of the following cells are lymphocytes?
   a. macrophages
   b. neutrophlis
   c. red blood cells
   d. B cells

Answer 4

B cells

Question 5

7.Cytokines are secreted by which cells? 
A.macrophages
B.B cells 
C.T cells
D all of these

Answer 5

All of these

Question 6

10. The initial reaction to the presence of viruses in a human cell is the production of ___ by that cell
    a. complement
    b. interferon
    c. antiviral protein
    d. fever

Answer 6

Interferon

Question 7

13. An example of an exogenous protein is
    a. interlukin 1
    b. endotoxin
    c. complement
    d. interferon

Answer 7

Endotoxin

Question 8

16. The normal microbiota is part of the ___ line of defense
    a. first
    b. second
    c. third
    d. none

Answer 8

First line of defense