Chapter 16
Each of the following is an effect of complement activation EXCEPT
Interference with viral replication
All of the following increase blood vessel permeability EXCEPT
Lysozymes
Which of the following statements about fixed macrophages is FALSE
They develop from neutrophils
All of the following pertain to fever EXCEPT that it
accelerates microbial growth by increasing iron absorption from the digestive tract
Margination refers to
adherence of phagocytes to the lining of blood vessels.
A chill is a sign that
body temperature is rising.
Lysozyme and the antibiotic penicillin have similar mechanisms of action in that they both cause damage to the bacterial
cell wall
After ingesting a pathogen, lysosomal enzymes produce all of the following EXCEPT
complement
Which of the following is found normally in serum
complement
All of the following are components of the inflammatory process EXCEPT
diapedesis
Which of the following is involved in resistance to parasitic helminths
eosinophils
Each of the following provides protection from phagocytic digestion EXCEPT
formation of phagolysosomes.
Which of the following is an effect of opsonization
increased adherence of phagocytes to microorganisms
The antimicrobial effects of AMPs include all of the following EXCEPT
inhibition of phagocytosis
A child falls and suffers a deep cut on her leg. The cut went through her skin and she is bleeding. Which of the following defense mechanisms will participate in eliminating contaminating microbes
phagocytosis in the inflammatory response
Neutrophils with defective lysosomes are unable to
produce toxic oxygen products.
All of the following are effects of histamine EXCEPT
production of antibodies
Innate immunity includes all of the following EXCEPT
production of antibodies
A differential cell count is used to determine each of the following EXCEPT
red blood cells
All of the following are iron-binding proteins found in humans EXCEPT
siderophorins
Which of the following statements is true?
there are at least 30 complement proteins
All of the following are part of the mechanism of action of alpha and beta interferons EXCEPT
they are effective for long periods.
All of the following are true regarding NK cells EXCEPT
they destroy infected cells by phagocytosis
TLRs attach to all of the following EXCEPT
Amps
Which of the following is mismatched? A) diapedesis — movement of leukocytes between capillary walls cells out of blood and into tissue B) chemotaxis — chemical degradation inside a phagolysosome C) abcess — a cavity created by tissue damage and filled with pus D) pus — tissue debris and dead phagocytes in a white or yellow fluid E) scab — dried blood clot over injured tissue
B
Innate immunity A) is slower than adaptive immunity in responding to pathogens. B) is nonspecific and present at birth. C) involves a memory component. D) involves T cells and B cells. E) provides increased susceptibility to disease.
B) non specific and present at birth
All of the following are effects of histamine EXCEPT
Fever
Which of the following statements is TRUE
Gamma interferon causes bactericidal activity by macrophages.
The swelling associated with inflammation decreases when the fluid
Goes to the lymph capillaries
All of the following protect the skin and mucous membranes from infection EXCEPT
HCL
Phagocytes utilize all of the following to optimize interaction with (getting to and getting hold of) microorganisms EXCEPT
lysozyme
Which of the following exhibits the highest phagocytic activity?
macrophages
Macrophages arise from which of the following
monocytes
Which non-specific defense mechanism is mismatched with its associated body structure or body fluid
mucociliary escalator — intestines
Normal microbiota provide protection from infection in each of the following ways EXCEPT
they produce lysosomes
The function of the "ciliary escalator" is to
trap inhaled dust and microorganisms in mucous and propel it away from the lower respiratory tract.
All of the following occur during inflammation. What is the first step
vasodilation