Question 1

Treatment and control of anthrax includes

Accepted Answer

A) use of antimicrobics, such as ciprofloxacin for active cases. 
B) vaccination of livestock. 
C) toxoid for military and those with occupational exposure. 
D) proper disposal of animals that have died from anthrax. 
E) All of these choices are correct. 
A) use of antimicrobics, such as ciprofloxacin for active cases. 
B) vaccination of livestock. 
C) toxoid for military and those with occupational exposure. 
D) proper disposal of animals that have died from anthrax. 
E) All of these choices are correct.

Question 2

Which is not a characteristic of Nocardia?

Accepted Answer

A) It can be transmitted by respiratory droplets. 
B) It can cause pneumonia with symptoms similar to tuberculosis. 
C) They are filamentous rods that grow in clusters called sulfur granules in infected tissue. 
D) It lives in the soil. 
E) It causes most cases in the immunocompromised. 
A) It can be transmitted by respiratory droplets. 
B) It can cause pneumonia with symptoms similar to tuberculosis. 
C) They are filamentous rods that grow in clusters called sulfur granules in infected tissue. 
D) It lives in the soil. 
E) It causes most cases in the immunocompromised.

Question 3

Actinomyces israelii

Accepted Answer

A) can be transmitted by respiratory droplets. 
B) can cause pneumonia with symptoms similar to tuberculosis. 
C) are filamentous rods that grow in clusters called sulfur granules in infected tissue. 
D) lives in the soil. 
E) causes most cases in the immunocompromised. 
A) can be transmitted by respiratory droplets. 
B) can cause pneumonia with symptoms similar to tuberculosis. 
C) are filamentous rods that grow in clusters called sulfur granules in infected tissue. 
D) lives in the soil. 
E) causes most cases in the immunocompromised.

Question 4

Which type of anthrax is called "woolsorter's disease?"

Accepted Answer

A) pulmonary 
B) gastrointestinal 
C) cutaneous 
D) All of these choices are correct. 
A) pulmonary 
B) gastrointestinal 
C) cutaneous 
D) All of these choices are correct.

Question 5

Which form of anthrax involves a black eschar on the skin?

Accepted Answer

A) pulmonary 
B) gastrointestinal 
C) cutaneous 
D) All of these choices are correct. 
A) pulmonary 
B) gastrointestinal 
C) cutaneous 
D) All of these choices are correct.

Question 6

In addition to antimicrobics, patients with diphtheria are treated with _____.

Accepted Answer

The answer of In addition to antimicrobics, patients with diphtheria...

Question 7

A black eschar develops on the hand or arm of a patient with erysipeloid.

Accepted Answer

A) True 
 B)False

Question 8

Using specific examples, discuss how gram-positive bacilli are divided into major genera.At the very least include the oxygen requirements, sporulation characteristics, and acid-fast test results.

Accepted Answer

Gram-positive bacilli are a diverse grou

Question 9

A seasonal farmworker has been brought into the emergency room showing early symptoms of tetanus, including spastic contractions of face and neck muscles.His coworkers indicated that he had received a puncture wound in his hand a week prior to the onset of symptoms.His tetanus vaccination status is uncertain.Which of the following should be administered to the patient first, as soon as possible?

Accepted Answer

A) tetanus toxoid 
B) tetanus immune globulin 
C) antibiotics 
D) hyperbaric oxygen chamber therapy 
E) a tetanus titer 
A) tetanus toxoid 
B) tetanus immune globulin 
C) antibiotics 
D) hyperbaric oxygen chamber therapy 
E) a tetanus titer

Question 10

Which of the following may be recommended for treating gangrene?

Accepted Answer

A) debridement of the wound 
B) hyperbaric chamber 
C) amputation of affected limb 
D) rigorous cleansing of deep wounds 
E) All of these choices are correct. 
A) debridement of the wound 
B) hyperbaric chamber 
C) amputation of affected limb 
D) rigorous cleansing of deep wounds 
E) All of these choices are correct.

Question 11

Which of the following is not true about leprosy?

Accepted Answer

A) It is caused by Hansen's bacillus in honor of its discoverer. 
B) Mycobacterium leprae is highly virulent, causing disease in most individuals that are exposed. 
C) Armadillos harbor a genetically identical M.leprae. 
D) Early signs appear as small, spotty lesions colored differently than the surrounding skin. 
E) The number of new cases in the U.S.each year is about 50 to 100, mostly associated with recent immigrants. 
A) It is caused by Hansen's bacillus in honor of its discoverer. 
B) Mycobacterium leprae is highly virulent, causing disease in most individuals that are exposed. 
C) Armadillos harbor a genetically identical M.leprae. 
D) Early signs appear as small, spotty lesions colored differently than the surrounding skin. 
E) The number of new cases in the U.S.each year is about 50 to 100, mostly associated with recent immigrants.

Question 12

All of the following pertain to Listeria monocytogenes, except

Accepted Answer

A) it is gram-positive. 
B) it produces endospores. 
C) it frequently contaminates dairy products, meats, poultry. 
D) it causes food-borne listeriosis. 
E) bacterial cells multiply within the cytoplasm of a host cell. 
A) it is gram-positive. 
B) it produces endospores. 
C) it frequently contaminates dairy products, meats, poultry. 
D) it causes food-borne listeriosis. 
E) bacterial cells multiply within the cytoplasm of a host cell.

Question 13

Which of the following would be a significant risk factor for the development of listeriosis?

Accepted Answer

A) consumption of meat, poultry, eggs, and dairy products. 
B) being a vegan. 
C) receiving immunosuppressive drugs for treatment of an autoimmne disease 
D) consuming home-canned foods. 
A) consumption of meat, poultry, eggs, and dairy products. 
B) being a vegan. 
C) receiving immunosuppressive drugs for treatment of an autoimmne disease 
D) consuming home-canned foods.

Question 14

When the centers of tubercles break down into _____ lesions, they gradually heal by calcification that replaces normal lung tissue.

Accepted Answer

The answer of When the centers of tubercles break down...

Question 15

The major virulence factor of Corynebacterium diphtheriae that causes serious systemic effects is

Accepted Answer

A) the capsule. 
B) the metachromatic granules. 
C) its exotoxin. 
D) the endospores. 
E) its endotoxin. 
A) the capsule. 
B) the metachromatic granules. 
C) its exotoxin. 
D) the endospores. 
E) its endotoxin.

Question 16

Debridement of diseased tissue is important in the care of patients with gas gangrene.

Accepted Answer

A) True 
 B)False

Question 17

Production of a neurotoxin that prevents acetylcholine release from motor neurons at neuromuscular junctions 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 18

Propionibacterium acnes is normal flora of sebaceous glands of the skin.

Accepted Answer

A) True 
 B)False

Question 19

The _____ test injects 0.1 mL of Purified Protein Derviative intradermally into the forearm.

Accepted Answer

Mantoux; P

Question 20

Janice had been experiencing mild flu-like symptoms before going into premature labor at seven months.The premature baby boy developed complications immediately after birth, running a fever and demonstrating neurologic abnormalities.A cerebrospinal fluid specimen was collected and a gram stain of the specimen showed short Gram-positive bacilli.The CSF culture grew small beta hemolytic colonies that were catalase positive.A CAMP test was positive on this isolate.The same organism grew from blood cultures done on the baby.What is the most likely identification?

Accepted Answer

A) Bacillus anthracis 
B) Listeria monocytogenes 
C) Streptococcus agalactiae 
D) Corynebacterium diphtheriae 
A) Bacillus anthracis 
B) Listeria monocytogenes 
C) Streptococcus agalactiae 
D) Corynebacterium diphtheriae

Exam 19: The Gram-Positive Bacilli of Medical Importance

Treatment and control of anthrax includes

Which is not a characteristic of Nocardia?

Actinomyces israelii

Which type of anthrax is called "woolsorter's disease?"

Which form of anthrax involves a black eschar on the skin?

In addition to antimicrobics, patients with diphtheria are treated with _____.

A black eschar develops on the hand or arm of a patient with erysipeloid.

Using specific examples, discuss how gram-positive bacilli are divided into major genera.At the very least include the oxygen requirements, sporulation characteristics, and acid-fast test results.

Which of the following may be recommended for treating gangrene?

Which of the following is not true about leprosy?

All of the following pertain to Listeria monocytogenes, except

Which of the following would be a significant risk factor for the development of listeriosis?

When the centers of tubercles break down into _____ lesions, they gradually heal by calcification that replaces normal lung tissue.

The major virulence factor of Corynebacterium diphtheriae that causes serious systemic effects is

Debridement of diseased tissue is important in the care of patients with gas gangrene.

Production of a neurotoxin that prevents acetylcholine release from motor neurons at neuromuscular junctions is a characteristic of

Propionibacterium acnes is normal flora of sebaceous glands of the skin.

The _____ test injects 0.1 mL of Purified Protein Derviative intradermally into the forearm.

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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