Question 1

Resident flora of the intestines include

Accepted Answer

A) Streptococcus. 
B) Bacteroides. 
C) Staphylococcus. 
D) Haemophilus. 
E) All of these choices are correct. 
A) Streptococcus. 
B) Bacteroides. 
C) Staphylococcus. 
D) Haemophilus. 
E) All of these choices are correct. B

Question 2

Leukopenia is the _____ in the level of white blood cells in a patient.

Accepted Answer

decrease

Question 3

_____ is the presence of small numbers of bacteria in the blood.

Accepted Answer

Bacter emia

Question 4

Some diseases can be vertically transmitted.This is understood to mean the disease is transmitted

Accepted Answer

A) from parent to offspring via milk, ovum, sperm, or placenta. 
B) from parent to offspring via respiratory route. 
C) by contact between siblings. 
D) between people living or working in the same building. 
E) between higher and lower animals. 
A) from parent to offspring via milk, ovum, sperm, or placenta. 
B) from parent to offspring via respiratory route. 
C) by contact between siblings. 
D) between people living or working in the same building. 
E) between higher and lower animals.

Question 5

_____ are various bacterial enzymes that dissolve fibrin clots.

Accepted Answer

The answer of _____ are various bacterial enzymes that dissolve...

Question 6

A _____ is an infection indigenous to animals that can, on occasion, be transmitted to humans.

Accepted Answer

The answer of A _____ is an infection indigenous to...

Question 7

Microbial hyaluronidase, coagulase, and streptokinase are examples of

Accepted Answer

A) adhesive factors. 
B) exotoxins. 
C) hemolysins. 
D) antiphagocytic factors. 
E) exoenzymes. 
A) adhesive factors. 
B) exotoxins. 
C) hemolysins. 
D) antiphagocytic factors. 
E) exoenzymes.

Question 8

Select the noncommunicable disease from the list below.

Accepted Answer

A) tuberculosis 
B) appendicitis 
C) chicken pox 
D) syphilis 
A) tuberculosis 
B) appendicitis 
C) chicken pox 
D) syphilis

Question 9

Describe the criteria that make up Koch's Postulates and discuss their importance in modern epidemiology.

Accepted Answer

Koch's Postulates are a set of criteria

Question 10

A microbe such as Ebola virus that sickens most everyone that is infected would be characterized as a/an

Accepted Answer

A) opportunistic pathogen. 
B) obligate pathogen. 
C) facultative pathogen. 
D) true pathogen. 
A) opportunistic pathogen. 
B) obligate pathogen. 
C) facultative pathogen. 
D) true pathogen.

Question 11

The stage of an infectious disease when specific signs and symptoms are seen and the pathogen is at peak activity is

Accepted Answer

A) prodromal stage. 
B) convalescent stage. 
C) incubation period. 
D) period of invasion. 
E) All of these choices are correct. 
A) prodromal stage. 
B) convalescent stage. 
C) incubation period. 
D) period of invasion. 
E) All of these choices are correct.

Question 12

Joe contracted Hepatitis A by eating contaminated doughnuts from a local bakery.The source of the disease is ___________ and the reservoir is ______________.

Accepted Answer

A) Joe; the doughnut 
B) the doughnut; humans 
C) humans; flour 
D) flour; Joe 
E) humans; Joe 
A) Joe; the doughnut 
B) the doughnut; humans 
C) humans; flour 
D) flour; Joe 
E) humans; Joe

Question 13

Experiments have been done to determine the infective dose of a specific pathogen in animals with normal microbiota and gnotobiotic animals. Predict how the infective dose for gnotobiotic animals is expected to compare to the infective dose of animals with normal microbiota.

Accepted Answer

A) The infective dose would be the same for both groups of animals. 
B) The infective dose would be lower for the gnotobiotic animals. 
C) The infective does would be higher for the gnotobiotic animals. 
A) The infective dose would be the same for both groups of animals. 
B) The infective dose would be lower for the gnotobiotic animals. 
C) The infective does would be higher for the gnotobiotic animals.

Question 14

Someone who inconspicuously harbors a pathogen and spreads it to others is a

Accepted Answer

A) fomite. 
B) carrier. 
C) vector. 
D) reservoir. 
E) source. 
A) fomite. 
B) carrier. 
C) vector. 
D) reservoir. 
E) source.

Question 15

The objective, measurable evidence of disease evaluated by an observer is termed

Accepted Answer

A) syndrome. 
B) symptom. 
C) sign. 
D) pathology. 
E) inflammation. 
A) syndrome. 
B) symptom. 
C) sign. 
D) pathology. 
E) inflammation.

Question 16

If the ID for gonorrhea is 1,000 cells and the ID for tuberculosis is 10 cells, which organism is more virulent?

Accepted Answer

A) Neisseria gonorrhoeae 
B) Mycobacterium tuberculosis 
C) They are equally virulent. 
D) It is impossible to determine. 
A) Neisseria gonorrhoeae 
B) Mycobacterium tuberculosis 
C) They are equally virulent. 
D) It is impossible to determine.

Question 17

All infectious diseases

Accepted Answer

A) are contagious. 
B) only occur in humans. 
C) are caused by microorganisms or their products. 
D) are caused by vectors. 
E) involve viruses as the pathogen. 
A) are contagious. 
B) only occur in humans. 
C) are caused by microorganisms or their products. 
D) are caused by vectors. 
E) involve viruses as the pathogen.

Question 18

Compare and contrast exotoxins and endotoxins with regard to their: a) chemical nature, b) source, c) effects on human body cells and resulting symptoms, and d) examples.

Accepted Answer

a) Chemical nature:
Exotoxins are protei

Question 19

The principal government agency responsible for tracking infectious diseases in the United States is the

Accepted Answer

A) Centers for Disease Control and Prevention. 
B) World Health Organization. 
C) National Institutes of Health. 
D) United States Department of Agriculture. 
E) Infection Control Committee. 
A) Centers for Disease Control and Prevention. 
B) World Health Organization. 
C) National Institutes of Health. 
D) United States Department of Agriculture. 
E) Infection Control Committee.

Question 20

All of the following are communicable diseases, except

Accepted Answer

A) measles. 
B) botulism. 
C) influenza. 
D) pertussis (whooping cough). 
A) measles. 
B) botulism. 
C) influenza. 
D) pertussis (whooping cough).

Exam 13: Microbe-Human Interactions: Infection and Disease

Resident flora of the intestines include

Leukopenia is the _____ in the level of white blood cells in a patient.

_____ is the presence of small numbers of bacteria in the blood.

Some diseases can be vertically transmitted.This is understood to mean the disease is transmitted

_____ are various bacterial enzymes that dissolve fibrin clots.

A _____ is an infection indigenous to animals that can, on occasion, be transmitted to humans.

Microbial hyaluronidase, coagulase, and streptokinase are examples of

Select the noncommunicable disease from the list below.

Describe the criteria that make up Koch's Postulates and discuss their importance in modern epidemiology.

A microbe such as Ebola virus that sickens most everyone that is infected would be characterized as a/an

The stage of an infectious disease when specific signs and symptoms are seen and the pathogen is at peak activity is

Joe contracted Hepatitis A by eating contaminated doughnuts from a local bakery.The source of the disease is ___________ and the reservoir is ______________.

Experiments have been done to determine the infective dose of a specific pathogen in animals with normal microbiota and gnotobiotic animals. Predict how the infective dose for gnotobiotic animals is expected to compare to the infective dose of animals with normal microbiota.

Someone who inconspicuously harbors a pathogen and spreads it to others is a

The objective, measurable evidence of disease evaluated by an observer is termed

If the ID for gonorrhea is 1,000 cells and the ID for tuberculosis is 10 cells, which organism is more virulent?

All infectious diseases

Compare and contrast exotoxins and endotoxins with regard to their: a) chemical nature, b) source, c) effects on human body cells and resulting symptoms, and d) examples.

The principal government agency responsible for tracking infectious diseases in the United States is the

All of the following are communicable diseases, 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

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

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

Filters

Joe contracted Hepatitis A by eating contaminated doughnuts from a local bakery.The source of the disease is _ and the reservoir is ____.