Question 1

Epidemics related to bacterial infection of the digestive system are typically caused by

Accepted Answer

A) biological vectors. 
B) contaminated food and water. 
C) unpasteurized milk. 
D) the respiratory route. 
E) exposure to contaminated soil. 
A) biological vectors. 
B) contaminated food and water. 
C) unpasteurized milk. 
D) the respiratory route. 
E) exposure to contaminated soil.

Question 2

Which of the following statements about staphylococcal food poisoning is FALSE?

Accepted Answer

A) It is caused by ingesting an enterotoxin. 
B) It can be prevented by adequate refrigeration of food. 
C) It can be prevented by heating foods to 50°C for 15 minutes. 
D) It is treated by replacing water and electrolytes. 
E) It is characterized by rapid onset and short duration of symptoms. 
A) It is caused by ingesting an enterotoxin. 
B) It can be prevented by adequate refrigeration of food. 
C) It can be prevented by heating foods to 50°C for 15 minutes. 
D) It is treated by replacing water and electrolytes. 
E) It is characterized by rapid onset and short duration of symptoms.

Question 3

The most common mode of HAV transmission is

Accepted Answer

A) contamination of food during preparation. 
B) respiratory route. 
C) blood transfusion. 
D) contaminated hypodermic needles. 
E) airborne. 
A) contamination of food during preparation. 
B) respiratory route. 
C) blood transfusion. 
D) contaminated hypodermic needles. 
E) airborne.

Question 4

Bacterial intoxications differ from bacterial infections of the digestive system in that intoxications

Accepted Answer

A) are transmitted via contaminated water. 
B) are more severe. 
C) have shorter incubation times. 
D) are treated with antibiotics. 
E) are accompanied by high fever. 
A) are transmitted via contaminated water. 
B) are more severe. 
C) have shorter incubation times. 
D) are treated with antibiotics. 
E) are accompanied by high fever.

Question 5

Microscopic examination of a patient's fecal culture shows spiral bacteria.The bacteria probably belong to the genus

Accepted Answer

A) Campylobacter jejuni. 
B) Escherichia coli. 
C) Salmonella Typhi. 
D) Shigella spp. 
E) Vibrio cholerae. 
A) Campylobacter jejuni. 
B) Escherichia coli. 
C) Salmonella Typhi. 
D) Shigella spp. 
E) Vibrio cholerae.

Question 6

Situation 25.1
Following a county fair, 160 persons complained of gastrointestinal symptoms. Symptoms included diarrhea (84 percent), abdominal cramps (96 percent), nausea (84 percent), vomiting (82 percent), body aches (50 percent), fever (60 percent; median body temperature = 38.3°C); median duration of illness 6 days (range 10 hr to 13 days).
-In Situation 25.1,fecal samples were found to be negative when cultured.The next step in diagnosing the cause of illness would be The relative risks shown in Table 25.1 were calculated for foods suspected of transmitting Salmonella.Which food is the most likely source of infection?
A.black beans
B.corn soup
C.jalapeño peppers
D.roma tomatoes
E.The answer cannot be determined based on the information provided.

Accepted Answer

A) to begin antibiotic therapy. 
B) blood cultures. 
C) microscopic examination of feces for oocysts. 
D) microscopic examination of feces for viruses. 
E) muscle biopsy. 
A) to begin antibiotic therapy. 
B) blood cultures. 
C) microscopic examination of feces for oocysts. 
D) microscopic examination of feces for viruses. 
E) muscle biopsy.

Epidemics related to bacterial infection of the digestive system are typically caused by

Which of the following statements about staphylococcal food poisoning is FALSE?

The most common mode of HAV transmission is

Bacterial intoxications differ from bacterial infections of the digestive system in that intoxications

Microscopic examination of a patient's fecal culture shows spiral bacteria.The bacteria probably belong to the genus

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

Microbial Mechanisms of Pathogenicity

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 Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

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Exam 25: Microbial Diseases of the Digestive System

Epidemics related to bacterial infection of the digestive system are typically caused by

Which of the following statements about staphylococcal food poisoning is FALSE?

The most common mode of HAV transmission is

Bacterial intoxications differ from bacterial infections of the digestive system in that intoxications

Microscopic examination of a patient's fecal culture shows spiral bacteria.The bacteria probably belong to the genus

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

Microbial Mechanisms of Pathogenicity

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 Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

Filters