Oral Microbiology Quiz

Generate an image depicting various bacteria and viruses interacting in an exaggerated, educational manner, set against a background of dental tools, textbooks, and a dental clinic environment.

Oral Microbiology Quiz

Test your knowledge on oral microbiology with this comprehensive quiz! Dive into questions relating to common oral pathogens, their associated diseases, and relevant treatments. This quiz is designed for students, dental professionals, and anyone interested in enhancing their understanding of oral health.

30 multiple choice questions
Covering bacteria, viruses, and related infections
Learn while you play!

30 Questions8 MinutesCreated by LearningBacteria42

Certain strains of Streptococcus mutans?

Cause dental caries by the production of lactic and other acids, from fermentation of sugars

Are cause of infective meningitides

Cause of periodontal disease by the production of lactic and acids from fermentation of sugars

Extracellular glucan production.

Which of the following statements on Actinomycetes are not true?

It is a eukaryote

It causes chronic granulomatous infections

It infrequently causes actinomycoses of the jaws after tooth extractions

Short rods, but often pleomorphic

Porphyromonas gingivalis:?

Are Gram-positive pleomorphic rods

Are non-capsulated

Are aggressive periodontal pathogens

Are isolated from many extra oral sites

Which of the following statements on Prevotella Intermedia are true:?

Black pigmented Gram-positive

Microaerophilic

Implicated in periodontal disease in association with P. gingivalis

Implicated in dental Caries in association with Aggregatibacter actino- mycetemcomitans.

Which microorganism implicated in pit and fissure caries?

Streptococcus mutans

Streptococcus mitis

Staphylococcus aureus

Actinimyces viscosus

The organisms most commonly associated with root caries are ?

Fusobacterium Nucleatum

Actinomyces viscosus

Staphylococcus aureus

Porphyromonas gingivalis

The virulence of Porphyromonas gingivalis is partly due to?

Proteases, haemolysin and collagenase

Hyaluronic acid

Adhesins

Cytotoxins

Fusobacterium Nucleatum :?

Isolated from monomicrobial infections

Produce proinflammatory cytokines and up-regulating the inflammatory response

Gram-positive, strictly anaerobic

Non capsulate diplococci

Fusobacterium Nucleatum :?

Plays a crucial role in the beginning of periodontal disease

Implicated in Dental caries

Cause scarlet fever

Black pigmented Gram-negative microorganism

Acute necrotizing ulcerative gingivitis (ANUG) or trench mouth is caused by a mixed bacterial infection such as?

Fusobacterium nucleatum and Spirochetes

Staphylococcus aureus and Streptococcus mutans

Fusobacterium nucleatum and Streptococcus mutans

Fusobacterium nucleatum and Actinomyces viscosus

Which of the following statement on Actinobacillus actinomycetemcomitans are true?

Aggressive forms of periodontal disease in adolescents

Aggressive forms of dental caries in adolescents

Non-capsulate diplococcic

Cigar-shaped bacilli

Actinobacillus actinomycetemcomitans possesses certain virulence factors that enable it to invade tissues, such as ?

Leukotoxin A

Hemolysine

Streptodornas

Hyaluronidase

A patient attends the surgery with bilateral swelling of the parotid salivary glands. Which condition are they suffering from?

A. Measles

Mumps

Poliomyelitis

Rubella

There are many different types of bacteria normally present in the oral cavity. Which of the following is the name of the one most likely to be associated with the onset of dental caries?

Bacteroides

Lactobacillus

Staphylococcus

Streptococcus

Elderly patients sometimes present with a fungal infection of the palate, beneath a denture,referred to as denture stomatitis. Which organism causes this condition?

Actinomyces

Candida albicans

Herpes simplex

Staphylococcus aureus

Several infections occur in the oral cavity that are of relevance to the dental team. Which of the following infections does virus cause?

Acute necrotizing ulcerative gingivitis

Herpetic stomatitis

Lateral periodontal abcess

Pericoronitis

Various viral infections are of relevance to the dental team, including those that cause disease affecting the head neck region. Which one of the following viruses causes cold sores?

Epstein-Barr

Herpes simplex

Herpes zoster

Paramyxovirus

Toxins or enzymes which are not produced by streptococcus pyogenes?

Hyaluronides

Phosphate

Hemolysin

Streptokinase

Causative agent of scarlet fever?

Staphylococcus aureus

Streptococcus viridans

Streptococcus pyogens

None of these

Which of the following organisms is most likely to be implicated in dental caries?

Staphylococcus aureus

Staphylococcus epidermidis

Streptococcus sorbinus

Escherichia coli

Primary herpesvirus infections may cause:?

Herpetic gingivostomatitis

Herpes labialis

Meningititis

Herpes zoster

Epstein-Barr Virus (EBV)?

Betaherpesvirus subfamily of herpesviruses

Achieves latency in sensory ganglia

Cause of infectious mononucleosis

Group A infect: skin and mucous membranes

Herpagina is usually cause by?

Hepatitis A virus

Group A coxsackieviruses

Group B coxackieviruses

Cytomegalovirus

Coxsakievirus have been found to replicate in the?

Reticuloendothelial system

Submucosal lymph tissue

Small bowel

Sensory nerve

Cryptococcosis?

Is an infection caused by Cryptococcus neoformans

Is a localized inflammation around and under the nails

Can cause cardiac abnormalities

Is associated with dog lovers

There are some main routes of infection in oral cavity, which one is inexact?

Transferred through the air on dust particles or water droplets

Transferred by hands or objects

Transferred by insects bite.

Required by transient flora

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