Question 1

Which of the following is NOT a membrane-disrupting toxin?

Accepted Answer

A) A-B toxin 
B) hemolysin 
C) leukocidin 
D) streptolysin O 
E) streptolysin S 
A) A-B toxin 
B) hemolysin 
C) leukocidin 
D) streptolysin O 
E) streptolysin S

Question 2

Table 15.2
 $$\begin{array} { | l | c | } 
\hline \text { Bacterium } & \text { ID50 } \
\hline \text { E. coli } \mathrm { O } 157 : \mathrm { H } 7 & 20 \
\hline \text { Legionella pneumophila } & 1 \
\hline \text { Shigella } & 10 \
\hline \text { Treponema pallidum } & 57 \
\hline
\end{array}$$
-Which organism in Table 15.2 causes the most severe disease?

Accepted Answer

A) 
E) coli O157:H7 
B) Legionella pneumophila 
C) Shigella 
D) Treponema pallidum 
E) It cannot be determined from the information provided. 
A) 
E) coli O157:H7 
B) Legionella pneumophila 
C) Shigella 
D) Treponema pallidum 
E) It cannot be determined from the information provided.

Question 3

Which of the following mechanisms is used by gram-negative bacteria to cross the blood-brain barrier?

Accepted Answer

A) producing fimbriae 
B) inducing endocytosis 
C) producing toxins 
D) inducing TNF 
E) antigenic variation 
A) producing fimbriae 
B) inducing endocytosis 
C) producing toxins 
D) inducing TNF 
E) antigenic variation

Which of the following is NOT a membrane-disrupting toxin?

Table 15.2 Bacterium ID50 E. coli 157:7 20 Legionella pneumophila 1 Shigella 10 Treponema pallidum 57 -Which organism in Table 15.2 causes the most severe disease?

Which of the following mechanisms is used by gram-negative bacteria to cross the blood-brain barrier?

The Microbial World and You

Chemical Principles

Observing Microorganisms Through a Microscope

Functional Anatomy of Prokaryotic and Eukaryotic

Microbial Metabolism

Microbial Growth

The Control of Microbial Growth

Microbial Genetics

Biotechnology and Dna Technology

Classification of Microorganisms

The Prokaryotes: Domains Bacteria and Archaea

The Eukaryotes: Fungi, algae, protozoa, and Helminths

Viruses,viroids,and Prions

Principles of Disease and Epidemiology

Innate Immunity: Nonspecific Defenses of the Host

Adaptive Immunity: Specific Defenses of the Host

Practical Applications of Immunology

Disorders Associated With the Immune System

Antimicrobial Drugs

Microbial Diseases of the Skin and Eyes

Microbial Diseases of the Nervous System

Microbial Diseases of the Cardiovascular and Lymphatic Systems

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

Filters

Exam 15: Microbial Mechanisms of Pathogenicity

Which of the following is NOT a membrane-disrupting toxin?

Table 15.2 Bacterium ID50 E. coli 157:7 20 Legionella pneumophila 1 Shigella 10 Treponema pallidum 57 -Which organism in Table 15.2 causes the most severe disease?

Which of the following mechanisms is used by gram-negative bacteria to cross the blood-brain barrier?

The Microbial World and You

Chemical Principles

Observing Microorganisms Through a Microscope

Functional Anatomy of Prokaryotic and Eukaryotic

Microbial Metabolism

Microbial Growth

The Control of Microbial Growth

Microbial Genetics

Biotechnology and Dna Technology

Classification of Microorganisms

The Prokaryotes: Domains Bacteria and Archaea

The Eukaryotes: Fungi, algae, protozoa, and Helminths

Viruses,viroids,and Prions

Principles of Disease and Epidemiology

Innate Immunity: Nonspecific Defenses of the Host

Adaptive Immunity: Specific Defenses of the Host

Practical Applications of Immunology

Disorders Associated With the Immune System

Antimicrobial Drugs

Microbial Diseases of the Skin and Eyes

Microbial Diseases of the Nervous System

Microbial Diseases of the Cardiovascular and Lymphatic Systems

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

Filters