Question 1

Flat sour spoilage in canned goods is caused by _____.

Accepted Answer

A) Clostridium botulinum 
B) thermophilic bacteria 
C) psychrophilic bacteria 
D) Staphylococcus species 
A) Clostridium botulinum 
B) thermophilic bacteria 
C) psychrophilic bacteria 
D) Staphylococcus species

Question 2

Canned goods will _____.

Accepted Answer

A) not spoil unless they are dented or improperly canned at the factory 
B) not spoil because of the high salt content 
C) will remain edible for years if not contaminated 
D) have been subjected to dry heat under very low pressure but high oxygen treatment 
A) not spoil unless they are dented or improperly canned at the factory 
B) not spoil because of the high salt content 
C) will remain edible for years if not contaminated 
D) have been subjected to dry heat under very low pressure but high oxygen treatment

Question 3

Vinegar:

Accepted Answer

A) can be made from microorganisms from ethanol or cellulose 
B) is rarely made by microorganisms 
C) is made by adding sodium sulfite to a yeast fermentation 
D) is used in the manufacture of antifreeze, pesticides, explosives and cosmetics 
A) can be made from microorganisms from ethanol or cellulose 
B) is rarely made by microorganisms 
C) is made by adding sodium sulfite to a yeast fermentation 
D) is used in the manufacture of antifreeze, pesticides, explosives and cosmetics

Question 4

Spirulina has been grown for centuries in alkaline lakes in Africa,in Mexico and by the ancient Incas in Peru to be used _____.

Accepted Answer

A) as fertilizer 
B) as animal feed 
C) for human consumption 
D) as preservatives 
A) as fertilizer 
B) as animal feed 
C) for human consumption 
D) as preservatives

Question 5

Which organism is not likely to contaminate milk?

Accepted Answer

A) Lactobacillus species 
B) Acetobacter johnsoni 
C) Penicillium 
D) Streptococcus lactis 
A) Lactobacillus species 
B) Acetobacter johnsoni 
C) Penicillium 
D) Streptococcus lactis

Question 6

Which of the following can be transmitted to humans who eat infected meat?

Accepted Answer

A) anthrax 
B) Q fever 
C) listeriosis 
D) all of these choices 
A) anthrax 
B) Q fever 
C) listeriosis 
D) all of these choices

Question 7

What can cause mild to severe gastroenteritis,arthritis,glomerulonephritis,a fatal typhoid like septicemia,and fatal ileitis,an inflammation of the small intestines that can be misdiagnosed as appendicitis?

Accepted Answer

A) Adirondack disease 
B) Erysipelas 
C) Yersinia enterocolitica infection 
D) Two of these choices 
A) Adirondack disease 
B) Erysipelas 
C) Yersinia enterocolitica infection 
D) Two of these choices

Question 8

Which of the following food and microbiology characteristic is incorrectly matched?

Accepted Answer

A) soy sauce-Aspergillus oryzae 
B) miso-fermented paste of soybeans 
C) sauerkraut-Acetobacter aceti 
D) fermenting meats, like salami-Lactobacillus and Pediococcus 
A) soy sauce-Aspergillus oryzae 
B) miso-fermented paste of soybeans 
C) sauerkraut-Acetobacter aceti 
D) fermenting meats, like salami-Lactobacillus and Pediococcus

Question 9

Are food spoilage microorganisms also pathogens? Give examples to support your answer. Outline 4 methods of food preservation. How does each method limit growth of microorganisms?

Accepted Answer

Yes, food spoilage microorganisms can al

Question 10

Which alkylating agent is used to control microbes in nuts and spices?

Accepted Answer

A) ethylene oxide 
B) nisin 
C) propylene oxide 
D) two of these choices 
A) ethylene oxide 
B) nisin 
C) propylene oxide 
D) two of these choices

Question 11

Antibiotics are not added to foods and milk in the United States because:

Accepted Answer

A) resistant strains of pathogens might arise from the process 
B) humans might become allergic to antibiotics 
C) antibiotics might interfere with the activities of microbes essential for fermenting milk and making cheese 
D) all of these choices 
A) resistant strains of pathogens might arise from the process 
B) humans might become allergic to antibiotics 
C) antibiotics might interfere with the activities of microbes essential for fermenting milk and making cheese 
D) all of these choices

Question 12

Aflatoxins are produced by _____.

Accepted Answer

A) Claviceps purpurea 
B) Staphylococcus 
C) Aspergillus 
D) Bacillus 
A) Claviceps purpurea 
B) Staphylococcus 
C) Aspergillus 
D) Bacillus

Question 13

Microorganisms have been found to _____.

Accepted Answer

A) degrade cyanide 
B) deactivate Arochlor 1260, the most highly toxic PCB compound 
C) degrade dioxin 
D) all of these choices 
A) degrade cyanide 
B) deactivate Arochlor 1260, the most highly toxic PCB compound 
C) degrade dioxin 
D) all of these choices

Question 14

Wort is a precursor for _____.

Accepted Answer

A) white wine 
B) red wine 
C) brandy 
D) beer 
A) white wine 
B) red wine 
C) brandy 
D) beer

Question 15

In the second half of the 19ᵗʰ century,there was a mass emigration of Irish citizens to other countries due to which organism?

Accepted Answer

A) Aspergillus fumigatus 
B) Pseudomonas aeruginosa 
C) Pseudomonas syringae 
D) Phytophthora infestans 
A) Aspergillus fumigatus 
B) Pseudomonas aeruginosa 
C) Pseudomonas syringae 
D) Phytophthora infestans

Question 16

Floppy baby syndrome is caused by _____.

Accepted Answer

A) Bacillus species in milk 
B) Clostridium botulinum in milk 
C) Clostridium botulinum in honey 
D) Bacillus in honey 
A) Bacillus species in milk 
B) Clostridium botulinum in milk 
C) Clostridium botulinum in honey 
D) Bacillus in honey

Question 17

The bacterial growth that produces gases which cause bulging at the ends of cans due to improper storing is known as _____.

Accepted Answer

A) flat sour spoilage 
B) bulge sour spoilage 
C) thermophilic anaerobic spoilage 
D) thermophilic aerobic spoilage 
A) flat sour spoilage 
B) bulge sour spoilage 
C) thermophilic anaerobic spoilage 
D) thermophilic aerobic spoilage

Exam 26: Applied Microbiology

Flat sour spoilage in canned goods is caused by _____.

Canned goods will _____.

Vinegar:

Spirulina has been grown for centuries in alkaline lakes in Africa,in Mexico and by the ancient Incas in Peru to be used _____.

Which organism is not likely to contaminate milk?

Which of the following can be transmitted to humans who eat infected meat?

What can cause mild to severe gastroenteritis,arthritis,glomerulonephritis,a fatal typhoid like septicemia,and fatal ileitis,an inflammation of the small intestines that can be misdiagnosed as appendicitis?

Which of the following food and microbiology characteristic is incorrectly matched?

Are food spoilage microorganisms also pathogens? Give examples to support your answer. Outline 4 methods of food preservation. How does each method limit growth of microorganisms?

Which alkylating agent is used to control microbes in nuts and spices?

Antibiotics are not added to foods and milk in the United States because:

Aflatoxins are produced by _____.

Microorganisms have been found to _____.

Wort is a precursor for _____.

In the second half of the 19ᵗʰ century,there was a mass emigration of Irish citizens to other countries due to which organism?

Floppy baby syndrome is caused by _____.

The bacterial growth that produces gases which cause bulging at the ends of cans due to improper storing is known as _____.

Scope and History of Microbiology

Fundamentals of Chemistry

Microscopy and Staining

Characteristics of Prokaryotic and Eukaryotic Cells

Essential Concepts of Metabolism

Growth and Culturing of Bacteria

Microbial Genetics

Gene Transfer and Genetic Engineering

An Introduction to Taxonomy: the Bacteria

Viruses

Eukaryotic Microorganisms and Parasites

Sterilization and Disinfection

Antimicrobial Therapy

Host-Microbe Relationships and Disease Processes

Epidemiology and Nosocomial Infections

Innate Host Defenses

Immunology I: Basic Principles of Adaptive Immunity and Immunization

Immunology Ii: Immunological Disorders and Tests

Diseases of the Skin and Eyes; Wounds and Bites

Urogenital and Sexually Transmitted Diseases

Diseases of the Respiratory System

Oral and Gastrointestinal Diseases

Cardiovascular, lymphatic and Systemic Disease

Diseases of the Nervous System

Environmental Microbiology

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