Chapter 16

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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


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