Question 1

Which of the following was an English surgeon who recognized the role of airborne microorganisms in postsurgical infections?

Accepted Answer

A) Louis Pasteur 
B) Aristotle 
C) Robert Koch 
D) Joseph Lister 
A) Louis Pasteur 
B) Aristotle 
C) Robert Koch 
D) Joseph Lister D

Question 2

Which herpes simplex virus type causes Burkitt lymphoma?

Accepted Answer

A) Herpes simplex type 1 (HSV 1) 
B) Herpes simplex type 2 (HSV 2) 
C) Herpes varicella-zoster virus (HZV) 
D) Epstein-Barr virus (EBV) 
A) Herpes simplex type 1 (HSV 1) 
B) Herpes simplex type 2 (HSV 2) 
C) Herpes varicella-zoster virus (HZV) 
D) Epstein-Barr virus (EBV) D

Question 3

Which of the following diseases is the leading cause of death worldwide?

Accepted Answer

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

Question 4

What type of microorganisms are known as obligate intracellular parasites,meaning that they 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 5

_______ is the study of viruses and their effects.

Accepted Answer

A) Diversity 
B) Latency 
C) Virology 
D) Singularity 
A) Diversity 
B) Latency 
C) Virology 
D) Singularity

Question 6

Human prion diseases affect which of the following tissues?

Accepted Answer

A) Heart 
B) Lungs 
C) Brain 
D) Liver 
A) Heart 
B) Lungs 
C) Brain 
D) Liver

Question 7

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

Accepted Answer

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

Question 8

Dental assistants should be immunized against which of the following viral infections?

Accepted Answer

A) Hepatitis B 
B) Hepatitis C 
C) Tetanus 
D) Tuberculosis 
A) Hepatitis B 
B) Hepatitis C 
C) Tetanus 
D) Tuberculosis

Question 9

Bacteria that grow in the absence of oxygen are called:

Accepted Answer

A) aerobes. 
B) anaerobes. 
C) spores. 
D) gram-negative. 
A) aerobes. 
B) anaerobes. 
C) spores. 
D) gram-negative.

Question 10

Which of the following diseases is commonly known as lockjaw?

Accepted Answer

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

Question 11

Which of the following types of microorganisms contain chlorophyll?

Accepted Answer

A) Protozoa 
B) Algae 
C) Fungi 
D) Rickettsiae 
A) Protozoa 
B) Algae 
C) Fungi 
D) Rickettsiae

Question 12

Which of the following types of bacteria normally live in the intestinal tract of insects?

Accepted Answer

A) Tuberculosis 
B) Tetanus 
C) Rickettsiae 
D) Actinomyces israelii 
A) Tuberculosis 
B) Tetanus 
C) Rickettsiae 
D) Actinomyces israelii

Question 13

Bacteria that do require oxygen in order to grow are called:

Accepted Answer

A) anaerobes. 
B) aerobes. 
C) spores. 
D) gram-negative. 
A) anaerobes. 
B) aerobes. 
C) spores. 
D) gram-negative.

Question 14

Which of the following forms of hepatitis is spread through fecal-oral contamination?

Accepted Answer

A) Hepatitis A 
B) Hepatitis B 
C) Hepatitis C 
D) Hepatitis D 
A) Hepatitis A 
B) Hepatitis B 
C) Hepatitis C 
D) Hepatitis D

Question 15

A provirus is found when a virus establishes a(n)______ state in a host cell.

Accepted Answer

A) latent 
B) specific 
C) virulent 
D) active 
A) latent 
B) specific 
C) virulent 
D) active

Question 16

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) able to destroy viruses in the external environment. 
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) able to destroy viruses in the external environment. 
D) used internally as effective antiviral medications.

Question 17

Oral candidiasis is an opportunistic infection caused by:

Accepted Answer

A) fungi. 
B) bacteria. 
C) protozoa. 
D) rickettsiae. 
A) fungi. 
B) bacteria. 
C) protozoa. 
D) rickettsiae.

Question 18

Which of the following diseases presents the highest risk to dental personnel?

Accepted Answer

A) Hepatitis A 
B) Hepatitis B 
C) Hepatitis C 
D) Hepatitis D 
A) Hepatitis A 
B) Hepatitis B 
C) Hepatitis C 
D) Hepatitis D

Question 19

Which of the following types of microorganisms do not produce human diseases?

Accepted Answer

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

Question 20

Which type of microorganism causes chickenpox,shingles,measles,and herpes?

Accepted Answer

A) Hepatitis A 
B) Hepatitis B 
C) Human immunodeficiency virus (HIV) 
D) Herpesvirus 
A) Hepatitis A 
B) Hepatitis B 
C) Human immunodeficiency virus (HIV) 
D) Herpesvirus

Exam 18: Microbiology

Which of the following was an English surgeon who recognized the role of airborne microorganisms in postsurgical infections?

Which herpes simplex virus type causes Burkitt lymphoma?

Which of the following diseases is the leading cause of death worldwide?

What type of microorganisms are known as obligate intracellular parasites,meaning that they can live and multiply only inside an appropriate host cell?

_______ is the study of viruses and their effects.

Human prion diseases affect which of the following tissues?

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

Dental assistants should be immunized against which of the following viral infections?

Bacteria that grow in the absence of oxygen are called:

Which of the following diseases is commonly known as lockjaw?

Which of the following types of microorganisms contain chlorophyll?

Which of the following types of bacteria normally live in the intestinal tract of insects?

Bacteria that do require oxygen in order to grow are called:

Which of the following forms of hepatitis is spread through fecal-oral contamination?

A provirus is found when a virus establishes a(n)______ state in a host cell.

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

Oral candidiasis is an opportunistic infection caused by:

Which of the following diseases presents the highest risk to dental personnel?

Which of the following types of microorganisms do not produce human diseases?

Which type of microorganism causes chickenpox,shingles,measles,and herpes?

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

Ergonomics

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

Delivering Dental Care

Dental Hand Instruments

Dental Handpieces and Accessories

Moisture Control

Anesthesia and Pain Control

Foundations of Radiography, Radiographic Equipment, and Radiation Safety

Digital Imaging, Dental Film, and Processing Radiographs

Legal Issues, Quality Assurance, and Infection Prevention

Intraoral Imaging

Extraoral Imaging

Restorative and Esthetic Dental Materials

Dental Liners, Bases, and Bonding Systems

Dental Cements

Impression Materials

Laboratory Materials and Procedures

General Dentistry

Matrix Systems for Restorative Dentistry

Fixed Prosthodontics

Provisional Coverage

Removable Prosthodontics

Dental Implants

Endodontics

Periodontics

Oral and Maxillofacial Surgery

Pediatric Dentistry

Coronal Polishing

Dental Sealants

Orthodontics