Question 1

Legionella pneumophila

Accepted Answer

A) requires special lab growth media. 
B) often lives in close associations with amoebas. 
C) causes fever, cough, and diarrhea. 
D) causes a severe pneumonia. 
E) All of these choices are correct. 
A) requires special lab growth media. 
B) often lives in close associations with amoebas. 
C) causes fever, cough, and diarrhea. 
D) causes a severe pneumonia. 
E) All of these choices are correct.

Question 2

The designation CRE refers to

Accepted Answer

A) a group of bacteria that are resistant to many classes of antibiotics. 
B) an antibiotic that is effective against most gram-negative organisms. 
C) a number of gram-negative bacteria which frequently cause infections in childhood. 
D) a common methodology used in hospital inspections to enumerate and destroy bacteria on surfaces- count, record, eliminate. 
A) a group of bacteria that are resistant to many classes of antibiotics. 
B) an antibiotic that is effective against most gram-negative organisms. 
C) a number of gram-negative bacteria which frequently cause infections in childhood. 
D) a common methodology used in hospital inspections to enumerate and destroy bacteria on surfaces- count, record, eliminate.

Question 3

Compare and contrast typhoid fever and salmonellosis.

Accepted Answer

Typhoid fever and salmonellosis are both

Question 4

Nationwide, over 100,000 patients a year die from septic shock.This is due to

Accepted Answer

A) the presence of lipopolysaccharide in the outer membrane of bacteria. 
B) lipoteichoic acid in the cell wall of bacteria. 
C) a cytotoxin similar to the diphtheria toxin. 
D) coagulase. 
E) a neurotoxin similar to botulin. 
A) the presence of lipopolysaccharide in the outer membrane of bacteria. 
B) lipoteichoic acid in the cell wall of bacteria. 
C) a cytotoxin similar to the diphtheria toxin. 
D) coagulase. 
E) a neurotoxin similar to botulin.

Question 5

What is incorrect about pertussis?

Accepted Answer

A) A virulence factor of B.pertussis is toxins that destroy cilia cells is produced. 
B) The source of infection is direct contact with inhaled droplets. 
C) The paroxysmal stage is characterized by persistent coughing. 
D) The number of cases is steadily decreasing since 1976. 
E) It can cause severe, life-threatening complications in babies. 
A) A virulence factor of B.pertussis is toxins that destroy cilia cells is produced. 
B) The source of infection is direct contact with inhaled droplets. 
C) The paroxysmal stage is characterized by persistent coughing. 
D) The number of cases is steadily decreasing since 1976. 
E) It can cause severe, life-threatening complications in babies.

Question 6

Which of the following species was once considered so benign that microbiologists used it to trace movements of air currents in hospitals and over cities?

Accepted Answer

A) Morganella 
B) Providencia 
C) Citrobacter 
D) Serratia 
E) Legionella 
A) Morganella 
B) Providencia 
C) Citrobacter 
D) Serratia 
E) Legionella

Question 7

Which is incorrect about shigellosis?

Accepted Answer

A) Outbreaks have occurred in day-care centers. 
B) It is characterized by watery diarrhea with bloody, mucoid stools, and abdominal cramps. 
C) It frequently involves septicemia. 
D) Human carriers cause fecal transmission. 
E) It is also called bacillary dysentery. 
A) Outbreaks have occurred in day-care centers. 
B) It is characterized by watery diarrhea with bloody, mucoid stools, and abdominal cramps. 
C) It frequently involves septicemia. 
D) Human carriers cause fecal transmission. 
E) It is also called bacillary dysentery.

Question 8

Compare and contrast the three forms of plague with regard to: a) pathogenesis, b) transmission, c) symptoms, and d) prevention.

Accepted Answer

The three forms of plague, bubonic, sept

Question 9

Which bacteria could be responsible for hemolytic uremic syndrome (HUS)?

Accepted Answer

A) eterotoxigeic strains of E.coli 
B) Salmonella 
C) Shigella dysenteriae 
D) E.coli 0157:H7 
E) eteroinvasive E.coli 
A) eterotoxigeic strains of E.coli 
B) Salmonella 
C) Shigella dysenteriae 
D) E.coli 0157:H7 
E) eteroinvasive E.coli

Question 10

Pertussis has the following characteristics, except

Accepted Answer

A) the pathogen has virulence factors to destroy the action of respiratory cilia. 
B) the catarrhal stage has persistent, hacking coughs with "whoops". 
C) an early stage resembles a cold with nasal discharge and sneezing. 
D) DTaP immunization will prevent it. 
E) transmission is by respiratory droplets. 
A) the pathogen has virulence factors to destroy the action of respiratory cilia. 
B) the catarrhal stage has persistent, hacking coughs with "whoops". 
C) an early stage resembles a cold with nasal discharge and sneezing. 
D) DTaP immunization will prevent it. 
E) transmission is by respiratory droplets.

Question 11

The buildup of mucus and blockage of airways in pertussis is due to

Accepted Answer

A) endotoxin. 
B) lipopolysaccharide. 
C) toxins that destroy the ciliated cells of the respiratory tract. 
D) Pseudomonas aeruginosa. 
E) the presence of a capsule. 
A) endotoxin. 
B) lipopolysaccharide. 
C) toxins that destroy the ciliated cells of the respiratory tract. 
D) Pseudomonas aeruginosa. 
E) the presence of a capsule.

Question 12

All of the following are associated with bubonic plague, except

Accepted Answer

A) it is transmitted by human feces. 
B) it is caused by Yersinia pestis. 
C) the patient often has enlarged inguinal lymph nodes. 
D) the patient has fever, headache, nausea, weakness. 
E) it can progress to a septicemia. 
A) it is transmitted by human feces. 
B) it is caused by Yersinia pestis. 
C) the patient often has enlarged inguinal lymph nodes. 
D) the patient has fever, headache, nausea, weakness. 
E) it can progress to a septicemia.

Question 13

Which color pigment is produced by Pseudomonas aeruginosa?

Accepted Answer

A) lemon yellow 
B) red-orange 
C) golden 
D) blue-green 
E) pale orange 
A) lemon yellow 
B) red-orange 
C) golden 
D) blue-green 
E) pale orange

Question 14

All of the following are correct about salmonelloses except

Accepted Answer

A) non-typhoidal strains of salmonella are zoonotic in origin. 
B) foods contaminated by rodent feces may cause outbreaks. 
C) outbreaks have been caused by eggs. 
D) drug resistance of salmonella is on the rise. 
E) strains are normal flora in dogs and cats. 
A) non-typhoidal strains of salmonella are zoonotic in origin. 
B) foods contaminated by rodent feces may cause outbreaks. 
C) outbreaks have been caused by eggs. 
D) drug resistance of salmonella is on the rise. 
E) strains are normal flora in dogs and cats.

Question 15

Whooping cough is transmitted via respiratory droplets.The___stage lasts 1-2 weeks, while the _________stage is characterized by severe coughing.

Accepted Answer

A) primary; secondary 
B) catarrhal; paroxysmal 
C) incubation; convalescent 
D) low T-cell; high macrophage 
E) incubation; invasion 
A) primary; secondary 
B) catarrhal; paroxysmal 
C) incubation; convalescent 
D) low T-cell; high macrophage 
E) incubation; invasion

Question 16

Whooping cough is transmitted via respiratory droplets.The___stage lasts 1-2 weeks, while the _________stage is characterized by severe coughing.

Accepted Answer

A) primary; secondary 
B) catarrhal; paroxysmal 
C) incubation; convalescent 
D) low T-cell; high macrophage 
E) incubation; invasion 
A) primary; secondary 
B) catarrhal; paroxysmal 
C) incubation; convalescent 
D) low T-cell; high macrophage 
E) incubation; invasion

Question 17

A paroxysmal cough is associated with Legionnaires'disease.

Accepted Answer

A) True 
 B)False

Question 18

Pseudomonas aeruginosa is resistant to many antimicrobics.

Accepted Answer

A) True 
 B)False

Question 19

Proteus species often cause urinary tract infections.

Accepted Answer

A) True 
 B)False

Question 20

Which is incorrect about Yersinia pestis?

Accepted Answer

A) It exhibits bipolar staining. 
B) It is a gram-negative rod. 
C) It produces coagulase enzyme. 
D) It has a capsule. 
E) It produces enterotoxin. 
A) It exhibits bipolar staining. 
B) It is a gram-negative rod. 
C) It produces coagulase enzyme. 
D) It has a capsule. 
E) It produces enterotoxin.

Exam 20: The Gram-Negative Bacilli of Medical Importance

Legionella pneumophila

The designation CRE refers to

Compare and contrast typhoid fever and salmonellosis.

Nationwide, over 100,000 patients a year die from septic shock.This is due to

What is incorrect about pertussis?

Which of the following species was once considered so benign that microbiologists used it to trace movements of air currents in hospitals and over cities?

Which is incorrect about shigellosis?

Compare and contrast the three forms of plague with regard to: a) pathogenesis, b) transmission, c) symptoms, and d) prevention.

Which bacteria could be responsible for hemolytic uremic syndrome (HUS)?

Pertussis has the following characteristics, except

The buildup of mucus and blockage of airways in pertussis is due to

All of the following are associated with bubonic plague, except

Which color pigment is produced by Pseudomonas aeruginosa?

All of the following are correct about salmonelloses except

Whooping cough is transmitted via respiratory droplets.The___stage lasts 1-2 weeks, while the _________stage is characterized by severe coughing.

Whooping cough is transmitted via respiratory droplets.The___stage lasts 1-2 weeks, while the _________stage is characterized by severe coughing.

A paroxysmal cough is associated with Legionnaires'disease.

Pseudomonas aeruginosa is resistant to many antimicrobics.

Proteus species often cause urinary tract infections.

Which is incorrect about Yersinia pestis?

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods of Studying Microorganisms

A Survey of Prokaryotic Cells and Microorganisms

A Survey of Eukaryotic Cells and Microorganisms

An Introduction to Viruses

Microbial Nutrition, Ecology, and Growth

An Introduction to Microbial Metabolism: the Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering: a Revolution in Molecular Biology

Physical and Chemical Agents for Microbial Control

Drugs, Microbes, Host--The Elements of Chemotherapy

Microbe-Human Interactions: Infection and Disease

An Introduction to Host Defenses and Innate Immunities

Adaptive, Specific Immunity and Immunization

Disorders in Immunity

Procedures for Identifying Pathogens and Diagnosing Infections

The Gram-Positive and Gram-Negative Cocci of Medical Importance

The Gram-Positive Bacilli of Medical Importance

Miscellaneous Bacterial Agents of Disease

The Fungi of Medical Importance

The Parasites of Medical Importance

Introduction to Viruses That Infect Humans: the Dna Viruses

The Rna Viruses That Infect Humans

Environmental Microbiology

Applied and Industrial Microbiology

Filters

Whooping cough is transmitted via respiratory droplets.The_stage lasts 1-2 weeks, while the _______stage is characterized by severe coughing.

Whooping cough is transmitted via respiratory droplets.The_stage lasts 1-2 weeks, while the _______stage is characterized by severe coughing.