Question 1

What type of microorganism can live and multiply only inside an appropriate host cell?

Accepted Answer

A) Bacteria 
B) Viruses 
C) Protozoa 
D) Algae 
E) Fungi 
A) Bacteria 
B) Viruses 
C) Protozoa 
D) Algae 
E) Fungi

Question 2

The state established by some viruses in host cells is known as:

Accepted Answer

A) latent (dormant). 
B) specificity. 
C) exposure. 
D) none of the above. 
A) latent (dormant). 
B) specificity. 
C) exposure. 
D) none of the above.

Question 3

Which of the following viruses breaks down the body's immune system?

Accepted Answer

A) Legionnaires' disease 
B) HIV 
C) Tetanus 
D) Tuberculosis 
A) Legionnaires' disease 
B) HIV 
C) Tetanus 
D) Tuberculosis

Question 4

Which of the following types of bacteria have a spherical shape?

Accepted Answer

A) Cocci 
B) Gram-positive bacteria 
C) Bacilli 
D) Spirochetes 
A) Cocci 
B) Gram-positive bacteria 
C) Bacilli 
D) Spirochetes

Question 5

Which infectious disease is a leading cause of death worldwide and is an occupational risk for healthcare workers?

Accepted Answer

A) Legionnaires' disease 
B) HIV 
C) Tetanus 
D) Tuberculosis 
A) Legionnaires' disease 
B) HIV 
C) Tetanus 
D) Tuberculosis

Question 6

________ microorganisms do not produce human illness.

Accepted Answer

A) Virus 
B) Nonpathogenic 
C) Pasteurized 
D) Germ 
A) Virus 
B) Nonpathogenic 
C) Pasteurized 
D) Germ

Question 7

The study of microorganisms is:

Accepted Answer

A) anatomy. 
B) microbiology. 
C) antiseptic. 
D) disinfectant. 
A) anatomy. 
B) microbiology. 
C) antiseptic. 
D) disinfectant.

Question 8

Oral candidiasis is an opportunistic infection caused by:

Accepted Answer

A) yeast. 
B) water. 
C) protozoa. 
D) none of the above. 
A) yeast. 
B) water. 
C) protozoa. 
D) none of the above.

Question 9

Which of the following types of bacteria have a rod-like shape?

Accepted Answer

A) Cocci 
B) Diplococci 
C) Bacilli 
D) Spirochetes 
A) Cocci 
B) Diplococci 
C) Bacilli 
D) Spirochetes

Question 10

Which chemicals are capable of destroying viruses in an external environment?

Accepted Answer

A) Chlorine (bleach), iodine, phenol, and formaldehyde 
B) Alcohol, Lysol 
C) Birex, antimicrobial soap 
D) All of the above 
A) Chlorine (bleach), iodine, phenol, and formaldehyde 
B) Alcohol, Lysol 
C) Birex, antimicrobial soap 
D) All of the above

Question 11

A virus that prefers a particular cell type in order to replicate is said to have:

Accepted Answer

A) diversity. 
B) latency. 
C) specificity. 
D) singularity. 
A) diversity. 
B) latency. 
C) specificity. 
D) singularity.

Question 12

Microorganisms that produce disease in humans are known as:

Accepted Answer

A) nonpathogenic. 
B) pathogens. 
C) pasteurized. 
D) germs. 
A) nonpathogenic. 
B) pathogens. 
C) pasteurized. 
D) germs.

Question 13

The study of viruses and their effects is called:

Accepted Answer

A) diversity. 
B) latency. 
C) virology. 
D) singularity. 
A) diversity. 
B) latency. 
C) virology. 
D) singularity.

Question 14

_______ is an extremely dangerous disease caused by a spore-forming bacillus found in soil,dust,or animal or human feces.

Accepted Answer

A) Legionnaires' disease 
B) Syphilis 
C) Tuberculosis 
D) Tetanus 
A) Legionnaires' disease 
B) Syphilis 
C) Tuberculosis 
D) Tetanus

Question 15

The disease that is transmitted through bloodborne contact and breaks down the body's immune system is:

Accepted Answer

A) HIV. 
B) tuberculosis. 
C) tetanus. 
D) syphilis. 
A) HIV. 
B) tuberculosis. 
C) tetanus. 
D) syphilis.

Question 16

The type of spores that normally live in the intestinal tract of insects is:

Accepted Answer

A) virulent fungus. 
B) capsules. 
C) rickettsiae. 
D) anaerobes. 
A) virulent fungus. 
B) capsules. 
C) rickettsiae. 
D) anaerobes.

Question 17

Chemicals such as chlorine (bleach),iodine,phenol,and formaldehyde are:

Accepted Answer

A) unable to destroy viruses on surfaces coming into contact with infected patients. 
B) unable to destroy viruses on objects coming into contact with infected patients. 
C) too toxic to be used internally. 
D) used internally as effective antiviral medications. 
A) unable to destroy viruses on surfaces coming into contact with infected patients. 
B) unable to destroy viruses on objects coming into contact with infected patients. 
C) too toxic to be used internally. 
D) used internally as effective antiviral medications.

Question 18

Which type of microorganism is known as a double-stranded DNA virus capable of causing chickenpox,shingles,measles,and herpes?

Accepted Answer

A) Hepatitis B 
B) HIV 
C) Both a and b 
D) Herpesvirus 
A) Hepatitis B 
B) HIV 
C) Both a and b 
D) Herpesvirus

Question 19

A viral disease can be transmitted through:

Accepted Answer

A) direct contact and blood transfusion. 
B) insects and contaminated food or water. 
C) coughing or sneezing. 
D) all of the above. 
A) direct contact and blood transfusion. 
B) insects and contaminated food or water. 
C) coughing or sneezing. 
D) all of the above.

Exam 18: Microbiology

What type of microorganism can live and multiply only inside an appropriate host cell?

The state established by some viruses in host cells is known as:

Which of the following viruses breaks down the body's immune system?

Which of the following types of bacteria have a spherical shape?

Which infectious disease is a leading cause of death worldwide and is an occupational risk for healthcare workers?

________ microorganisms do not produce human illness.

The study of microorganisms is:

Oral candidiasis is an opportunistic infection caused by:

Which of the following types of bacteria have a rod-like shape?

Which chemicals are capable of destroying viruses in an external environment?

A virus that prefers a particular cell type in order to replicate is said to have:

Microorganisms that produce disease in humans are known as:

The study of viruses and their effects is called:

_______ is an extremely dangerous disease caused by a spore-forming bacillus found in soil,dust,or animal or human feces.

The disease that is transmitted through bloodborne contact and breaks down the body's immune system is:

The type of spores that normally live in the intestinal tract of insects is:

Chemicals such as chlorine (bleach),iodine,phenol,and formaldehyde are:

Which type of microorganism is known as a double-stranded DNA virus capable of causing chickenpox,shingles,measles,and herpes?

A viral disease can be transmitted through:

History of Dentistry

The Professional Dental Assistant

The Dental Healthcare Team

Dental Ethics

Dentistry and the Law

General Anatomy

General Physiology

Oral Embryology and Histology

Head and Neck Anatomy

Landmarks of the Face and Oral Cavity

Overview of the Dentitions

Tooth Morphology

Dental Caries

Periodontal Disease

Preventive Dentistry

Nutrition

Oral Pathology

Disease Transmission and Infection Prevention

Principles and Techniques of Disinfection

Principles and Techniques of Instrument Processing and Sterilization

Regulatory and Advisory Agencies

Chemical and Waste Management

Dental Unit Waterlines

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The Patient Record

Vital Signs

Oral Diagnosis and Treatment Planning

The Special Needs and Medically Compromised Patient

Principles of Pharmacology

Assisting in a Medical Emergency

The Dental Office

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Dental Hand Instruments

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Foundations of Radiography, Radiographic Equipment, and Radiation Safety

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