Oral Health and Infectious Diseases
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Questions and Answers

What is the most common infection related to dental caries?

  • Bacterial infection (correct)
  • Protozoal infection
  • Viral infection
  • Fungal infection
  • What is the main culprit in the development of dental caries?

  • Protein fermentation by bacteria
  • Sucrose fermentation by bacteria (correct)
  • Vitamin fermentation by bacteria
  • Lipid fermentation by bacteria
  • Which part of the digestive system has more than 550 species of bacteria?

  • Small intestine
  • Oral cavity (correct)
  • Large intestine
  • Stomach
  • What is the major structure responsible for the dissolution of solid tooth surface in dental caries?

    <p>Acids produced by bacterial fermentation</p> Signup and view all the answers

    What is the most common communicable disease related to dental caries?

    <p>Streptococcus mutans infection</p> Signup and view all the answers

    Which protective factor helps in preventing dental caries?

    <p>Good dental hygiene</p> Signup and view all the answers

    Where are sparsely populated with normal flora among the gastrointestinal tract structures?

    <p>Stomach and small intestine</p> Signup and view all the answers

    Which disease is caused by blood flukes?

    <p>Schistosomiasis</p> Signup and view all the answers

    How does Schistosoma evade the host immune system?

    <p>By coating itself with host bloodstream proteins</p> Signup and view all the answers

    What can be used to identify Cyclospora?

    <p>Acid-fast stain</p> Signup and view all the answers

    Which organism can be identified by its ability to adhere to human cells in aggregates?

    <p>E. coli</p> Signup and view all the answers

    What is the complex life cycle of Schistosoma related to?

    <p>Liver disease</p> Signup and view all the answers

    Which disease is caused by infection of the large intestine by Shigella dysenteriae?

    <p>Shigella dysentery</p> Signup and view all the answers

    What can be used to identify Entamoeba histolytica?

    <p>Microscopic examination</p> Signup and view all the answers

    How is EAEC E. coli identified?

    <p>By its ability to adhere to human cells in aggregates</p> Signup and view all the answers

    What is the appearance of the large intestinal mucosa in Shigella dysentery?

    <p>Fig. 22.11</p> Signup and view all the answers

    Which infectious disease is responsible for intracellular invasion in the intestinal epithelium and can be visualized using acid-fast stain?

    <p>Cryptosporidium</p> Signup and view all the answers

    What infectious disease causes watery diarrhea, fever, and vomiting, typically transmitted through the fecal-oral route, and is preventable through handwashing?

    <p>Rotavirus</p> Signup and view all the answers

    Which pathogens can cause chronic diarrhea?

    <p>Entamoeba histolytica and Giardia lamblia</p> Signup and view all the answers

    Which infectious disease causes severe cramping, explosive diarrhea, and foul-smelling gas, and is resistant to chlorine?

    <p>Giardia lamblia</p> Signup and view all the answers

    Which viral infections cause inflammation of the liver, with different transmission routes and potential long-term effects?

    <p>Hepatitis A, B, and C</p> Signup and view all the answers

    Which protozoan infections can cause muscle and neurological symptoms and are common in the U.S. and Europe?

    <p>Giardia lamblia and Entamoeba histolytica</p> Signup and view all the answers

    Which helminthic infestation, found in undercooked meat, leads to fever, muscle pain, and malaise?

    <p>Trichinella</p> Signup and view all the answers

    What is the cause of trench mouth?

    <p>Treponema vincenti</p> Signup and view all the answers

    How is plaque development and cariogenesis detected at different stages?

    <p>Vegetable dye staining tablets for macroscopic detection and microscopic detection for revealing a mixed bacterial aggregate</p> Signup and view all the answers

    Which bacterial infection is associated with acute infectious diarrhea common in day care centers and developing countries?

    <p>Cryptosporidium</p> Signup and view all the answers

    What are the potential complications of mumps?

    <p>Affecting the brain and testes</p> Signup and view all the answers

    Which infection poses a risk to AIDS patients and can be identified through acid-fast staining showing red or purple oocysts?

    <p>Cryptosporidium</p> Signup and view all the answers

    What causes gastritis and gastric ulcers?

    <p>Helicobacter pylori</p> Signup and view all the answers

    What are the severe conditions involving a community of different bacterial species, posing a risk to individuals with poor hygiene, AIDS, diabetes, or who smoke?

    <p>Necrotizing ulcerative gingivitis and periodontitis</p> Signup and view all the answers

    Study Notes

    Oral Health and Infectious Diseases

    • Trench mouth, caused by Treponema vincenti, results in necrosis, pain, foul odor, and fever
    • Plaque development and cariogenesis involve different stages, with macroscopic detection using vegetable dye staining tablets and microscopic detection revealing a mixed bacterial aggregate
    • Dental caries, periodontal diseases, and gingivitis are associated with different bacterial communities, plaque, and calculus
    • Necrotizing ulcerative gingivitis and periodontitis are severe conditions involving a community of different bacterial species, posing a risk to individuals with poor hygiene, AIDS, diabetes, or who smoke
    • The formation of periodontitis involves stages in soft-tissue infection, gingivitis, and periodontitis, depicted in a radiograph showing calculus, caries, and bone destruction
    • Oral Candidiasis, caused by Candida albicans, presents symptoms of white growths and angry red tissue, often affecting individuals with reduced immunity, antibiotics, or during pregnancy
    • Mumps, a viral infection caused by the Mumps virus, leads to swelling of the parotid glands and other salivary glands, with potential complications affecting the brain and testes
    • Paramyxoviruses cause multinucleated cells or syncytia, facilitating viral spread, as depicted in the effects of mumps
    • Gastritis and gastric ulcers, caused by Helicobacter pylori, result in pain, lesions, and neutralization of stomach acid, often affecting blood type O individuals
    • Acute infectious diarrhea, caused by bacterial infections such as Salmonella, Shigella, and Escherichia coli, is common in day care centers and developing countries, with serious health effects
    • The bacteria Salmonella, Shigella, and Shiga-toxin producing Escherichia coli cause different types of bacterial infections, with varied symptoms and modes of transmission
    • Cryptosporidium, a zoonotic protozoan infection associated with fresh water outbreaks, poses a risk to AIDS patients, and can be identified through acid-fast staining showing red or purple oocysts

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    Description

    Test your knowledge of oral health and infectious diseases with this quiz. Learn about the causes, symptoms, and risk factors associated with conditions such as trench mouth, dental caries, periodontitis, oral candidiasis, mumps, gastritis, gastric ulcers, and acute infectious diarrhea. Gain insight into the bacterial and viral infections, as well as protozoan infections, and their impact on oral and overall health.

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