Question 1

Formation of a pseudomembrane in the back of the throat is seen in

Accepted Answer

A) diphtheria. 
B) listeriosis. 
C) tuberculosis. 
D) erysipeloid. 
E) botulism. 
A) diphtheria. 
B) listeriosis. 
C) tuberculosis. 
D) erysipeloid. 
E) botulism.

Question 2

People who have received the BCG immunization will generally have a negative tuberculin skin test.

Accepted Answer

A) True 
 B)False

Question 3

All of the following pertain to listeriosis, except

Accepted Answer

A) it causes symptoms of fever, diarrhea, and sore throat. 
B) it causes a serious septicemia and meningitis in the elderly, immunocompromised, and infants. 
C) intrauterine infection usually results in fetal death. 
D) adequate pasteurization and thorough cooking of food can improve prevention. 
E) enterotoxin of the organism causes symptoms. 
A) it causes symptoms of fever, diarrhea, and sore throat. 
B) it causes a serious septicemia and meningitis in the elderly, immunocompromised, and infants. 
C) intrauterine infection usually results in fetal death. 
D) adequate pasteurization and thorough cooking of food can improve prevention. 
E) enterotoxin of the organism causes symptoms.

Question 4

Tuberculoid leprosy

Accepted Answer

A) causes asymmetrical, shallow skin lesions with loss of pain sensation. 
B) is the most disfiguring. 
C) is characterized by a large number of acid fast bacilli in the infected tissues (multibacillary). 
D) may have complications including secondary infections, kidney, or respiratory failure. 
E) All of these choices are correct. 
A) causes asymmetrical, shallow skin lesions with loss of pain sensation. 
B) is the most disfiguring. 
C) is characterized by a large number of acid fast bacilli in the infected tissues (multibacillary). 
D) may have complications including secondary infections, kidney, or respiratory failure. 
E) All of these choices are correct.

Question 5

Vegans are not at risk for infection caused by Listeria monocytogenes because they don't consume animal products.

Accepted Answer

A) True 
 B)False

Question 6

What is the usual cause of pseudomembranous colitis?

Accepted Answer

A) improperly home-preserved foods containing botulin toxin 
B) consuming unpasteurized dairy products containing Listeria monocytogenes 
C) handling infected animals contaminated with E.rhusiopathiae 
D) therapy with broad-spectrum antibiotics leading to superinfection by C.difficile 
E) living in close contact with someone infected with C.perfringens 
A) improperly home-preserved foods containing botulin toxin 
B) consuming unpasteurized dairy products containing Listeria monocytogenes 
C) handling infected animals contaminated with E.rhusiopathiae 
D) therapy with broad-spectrum antibiotics leading to superinfection by C.difficile 
E) living in close contact with someone infected with C.perfringens

Question 7

Generally, what must healthy adults consume in order to contract botulism?

Accepted Answer

A) endospores of C.botulinum 
B) vegetative cells of C.botulinum 
C) botulism toxin in contaminated food 
D) botulism toxoid in contaminated food 
E) botulism antitoxin in contaminated food 
A) endospores of C.botulinum 
B) vegetative cells of C.botulinum 
C) botulism toxin in contaminated food 
D) botulism toxoid in contaminated food 
E) botulism antitoxin in contaminated food

Question 8

Discuss the types of foods and food preparation associated with food-borne botulism, and explain how neurotoxins gain entry to the foods.

Accepted Answer

Food-borne botulism is typically associa

Question 9

Tetanus can be prevented with the DTaP childhood immunization and boosters of the tetanus toxoid.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following pertains to diphtheria?

Accepted Answer

A) It results in meningitis. 
B) Symptoms include vomiting and diarrhea. 
C) It can be transmitted from mother's birth canal to neonate. 
D) It is prevented by the DTaP immunization. 
E) All of these choices are correct. 
A) It results in meningitis. 
B) Symptoms include vomiting and diarrhea. 
C) It can be transmitted from mother's birth canal to neonate. 
D) It is prevented by the DTaP immunization. 
E) All of these choices are correct.

Question 11

All of the following pertain to infant botulism, except

Accepted Answer

A) symptoms include "floppy baby" appearance. 
B) neurotoxin is not involved in the disease process. 
C) ingested spores can germinate in the immature intestines of the neonate. 
D) symptoms include flaccid paralysis and respiratory complications. 
E) it is the most common type of botulism in the United States. 
A) symptoms include "floppy baby" appearance. 
B) neurotoxin is not involved in the disease process. 
C) ingested spores can germinate in the immature intestines of the neonate. 
D) symptoms include flaccid paralysis and respiratory complications. 
E) it is the most common type of botulism in the United States.

Question 12

Which is not correct about Bacillus cereus?

Accepted Answer

A) present in soil 
B) produce enterotoxins 
C) causes food-borne intoxication 
D) causes a zoonosis 
E) associated with cooked rice, potato, and meat dishes that are stored at room temperature 
A) present in soil 
B) produce enterotoxins 
C) causes food-borne intoxication 
D) causes a zoonosis 
E) associated with cooked rice, potato, and meat dishes that are stored at room temperature

Question 13

Which of the following is not true about diphtheria?

Accepted Answer

A) It is a zoonosis. 
B) Humans can be healthy carriers. 
C) It is prevented with the DTaP vaccine. 
D) It is an upper respiratory infection. 
E) A pseudomembrane may form in the back of the throat. 
A) It is a zoonosis. 
B) Humans can be healthy carriers. 
C) It is prevented with the DTaP vaccine. 
D) It is an upper respiratory infection. 
E) A pseudomembrane may form in the back of the throat.

Question 14

Production of a neurotoxin that binds to target sites on spinal cord neurons responsible for inhibiting skeletal muscle contraction is a characteristic of

Accepted Answer

A) Clostridium botulinum. 
B) Clostridium perfringens. 
C) Clostridium difficile. 
D) Clostridium tetani. 
E) All of these choices are correct. 
A) Clostridium botulinum. 
B) Clostridium perfringens. 
C) Clostridium difficile. 
D) Clostridium tetani. 
E) All of these choices are correct.

Question 15

All of the following body sites may be affected by diptheria, except

Accepted Answer

A) the pharynx. 
B) the heart. 
C) the peripheral and cranial nerves. 
D) the skin. 
E) All of these choices are correct. 
A) the pharynx. 
B) the heart. 
C) the peripheral and cranial nerves. 
D) the skin. 
E) All of these choices are correct.

Exam 19: The Gram-Positive Bacilli of Medical Importance

Formation of a pseudomembrane in the back of the throat is seen in

People who have received the BCG immunization will generally have a negative tuberculin skin test.

All of the following pertain to listeriosis, except

Tuberculoid leprosy

Vegans are not at risk for infection caused by Listeria monocytogenes because they don't consume animal products.

What is the usual cause of pseudomembranous colitis?

Generally, what must healthy adults consume in order to contract botulism?

Discuss the types of foods and food preparation associated with food-borne botulism, and explain how neurotoxins gain entry to the foods.

Tetanus can be prevented with the DTaP childhood immunization and boosters of the tetanus toxoid.

Which of the following pertains to diphtheria?

All of the following pertain to infant botulism, except

Which is not correct about Bacillus cereus?

Which of the following is not true about diphtheria?

Production of a neurotoxin that binds to target sites on spinal cord neurons responsible for inhibiting skeletal muscle contraction is a characteristic of

All of the following body sites may be affected by diptheria, except

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-Negative 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

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