DH 1330 Quiz 13 Chap 12 spread of infection

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DH 1330 Quiz 13 Chap 12 spread of infection
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2014-11-22 15:52:41
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DH 1330 quiz 13 chapter 12 spread of infection
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  1. Which of the following terms is BEST used to describe an infection with suppuration resulting from the entrapment of pathogens in a contained space?

    Abscess
    Cellulitis
    Fistula
    Embolus
    Abscess

    • An abscess is an infection with suppuration resulting from the entrapment of pathogens in
    • a contained space
  2. Which of the following terms BEST describes the infectious process created by normal flora because the body's defenses are  compromised?

    Suppuration
    Normal flora
    Opportunistic infections
    Perforation
    Opportunistic infections
  3. Which of the following infections initially and DIRECTLY involves teeth and associated tissue?

    Lymphadenitis
    Endophthalmitis
    Odontogenic infection
    Otitis media
    Odontogenic infection
  4. A dental professional SHOULD understand
    the infectious process that allows microorganisms to create disease. Certain
    nonresident microorganisms can invade and initiate an infection.

    Both statements are false.
    The first statement is true; the second is false.
    The first statement is false; the second is true.
    Both statements are true
    Both statements are true
  5. Upon intraoral examination of a patient's palate, you notice the presence of an abscess. Which teeth can be involved with the clinical presentation of this abscess?

    Maxillary lateral incisors: lingual surfaces and roots; maxillary premolars: lingual surfaces and roots; and maxillary molars: lingual surfaces and roots

    Maxillary molars: buccal surface and buccal roots

    Maxillary molars: buccal surfaces and buccal roots; mandibular first and second molars:
    buccal surfaces and buccal roots

    Maxillary anterior teeth: all surfaces and roots; maxillary posterior teeth: buccal surfaces and roots
    Maxillary lateral incisors: lingual surfaces and roots; maxillary premolars: lingual surfaces and roots; and maxillary molars: lingual surfaces and roots
  6. Which of the following disease states can DIRECTLY cause a periapical abscess?

    Dentigerous cyst formation
    Progressive caries
    Chronic gingivitis
    Periodontal disease
    Progressive caries

    Chronic gingivitis can cause the marginal and interdental gingival tissue to become enlarged and inflamed.
  7. Early detection of an abscess is imperative in order to avoid destruction of dental tissue. Early detection of an abscess is BEST  accomplished with the use of dental  radiographs.

    Both statements are true.
    The first statement is false; the second is true.
    The first statement is true; the second is false.
    Both statements are false
    The first statement is true; the second is false.

    • The first statement is true. Early detection of abscess is imperative in order to avoid
    • destruction of dental tissue. The second statement is false. Abscess formation may NOT be detectable on radiographs during the early stages. This is because the infection process may NOT have destroyed alveolar bone, thereby decreasing the density of the bone that can be seen radiographically as a radiolucent image.
  8. Which of the following signs OR symptoms CANNOT be used to describe cellulitis of the face and neck?

    Redness
    Tenderness
    Systemic infection
    Pain
    Systemic infection

    • Even though infection is associated with cellulitis, a diffuse inflammation of soft tissue
    • spaces, the infection usually remains localized and is NOT systemic.
  9. Which of the following disease states may be involved in an odontogenic infection that has an inflammation of the bone marrow?

    Osteomyelitis
    Meningitis
    Cellulitis
    Paresthesia
    Osteomyelitis
  10. Osteomyelitis most often occurs in the
    mandible BECAUSE of the mandible's thicker cortical plates and reduced vascularization.

    The statement is NOT correct, but the reason is correct.

    Both the statement and the reason are correct but NOT related.

    Both the statement and the reason are correct and related.

    NEITHER the statement NOR the reason is correct.

    The statement is correct, but the reason is NOT
    Both the statement and the reason are correct and related.
  11. When a patient complains of burning and
    prickling in the mandible, more than likely he or she has a condition known as Ludwig's angina BECAUSE an infection from the entrapment of pathogens or normal flora with suppuration has become encased in that area.

    Both the statement and the reason are correct but NOT related.

    NEITHER the statement NOR the reason is correct.

    The statement is NOT correct, but the reason is correct.

    Both the statement and the reason are correct and related.

    The statement is correct, but the reason is NOT.
    NEITHER the statement NOR the reason is correct





















    The statement is NOT correct. When a patient complains of burning and prickling in the mandible, more than likely he or she has a condition known as paresthesia, NOT Ludwig’s angina. The reason is NOT correct. An infection from the entrapment of pathogens with suppuration describes an abscess, and normal flora is resident bacteria that normally does NOT cause an infection.
  12. Which of the following symptoms is NOT
    related to an infection of the paranasal  sinuses that resulted from a direct spread of infection from the teeth and associated oral tissue?

    Tenderness
    Hypothermia
    Pharyngeal discharge
    Headache
    Hypothermia

    • Fever or increased body temperature is often associated with infection. Hypothermia is a
    • decrease in body temperature.
  13. Which of the following disease states can DIRECTLY cause the spread of dental  infections by way of the vascular system?

    Pustule
    Abscess
    Fistula
    Bacteremia
    Bacteremia
  14. An infected thrombus can dislodge from the inner blood vessel wall and travel as an embolus. Emboli can travel in the veins, draining the oral cavity into areas such as the dural venous sinuses within the oral cavity.

    The first statement is true; the second is false.
    The first statement is false; the second is true.
    Both statements are false.
    Both statements are true
    Both statements are true
  15. Which of the following signs and symptoms CANNOT be used to describe cavernous sinus thrombosis?

    Rapid pulse
    Bradycardia
    Drowsiness
    Fever
    Bradycardia

    • Bradycardia is a decreased heart rate or pulse rate. An increase or rapid pulse is a common
    • sign or symptom of cavernous sinus thrombosis.
  16. From what case histories do MOST odontogenic infections in patients result from?

    Sinusitis
    Upper respiratory infection
    Dermatologic infections
    Dental biofilm (plaque)
    Dental biofilm (plaque)
  17. The loss of which of the following is noted during an examination of a patient with abducens nerve paralysis?

    Hearing
    Smelling sensation
    Eyeball movement
    Tongue movement
    Eyeball movement

    Abducens nerve paralysis affects the sixth cranial nerve, which is an efferent nerve to one of the muscles that moves the eyeball.
  18. Which of the following complications can result from untreated cellulitis?

    Ludwig angina
    Trigeminal neuralgia
    Bell's palsy
    Transient facial paralysis
    Ludwig angina

    Cellulitis can possibly spread due to perforation of the surrounding bone, causing serious complications such as Ludwig’s angina, which is cellulitis of the  submandibular space.
  19. Which of the following is KEY to preventing complications with odontogenic infections in patients?

    Using mouthwashes
    Sterilizing instruments
    Covering hard operatory surfaces
    Early diagnosis and treatment
    Early diagnosis and treatment
  20. Which of the following factors is important in the spread of odontogenic infections from their involvement with gram-negative anaerobic bacteria?

    Thicker cell walls
    Beta-lactamase enzyme
    Increased metabolism
    Adaption to wet environment
    Beta-lactamase enzyme

    More than half of the gram-negative anaerobic bacteria are capable of producing the beta-lactamase enzyme, which is responsible for the initial etiology of head and neck infections, as well as many treatment failures in odontogenic infections.
  21. Evaluation of lymph node involvement can BEST determine which of the following?

    Healing level of patient
    Etiology of infection
    Age of the patient
    Regional involvement
    Regional involvement
  22. What recent procedure performed in the
    community has increased the cases of Ludwig's angina?

    Laser hair removal
    Ear piercing
    Tooth jewelry
    Tongue piercing
    Tongue piercing
  23. A thorough medical history with periodic updates will allow the dental professional to perform safe treatment of medically compromised patients and avoid serious complications due to dental diseases. These patients may require antibiotic premedication before dental treatment or other changes in the dental treatment plan so as to prevent
    serious sequelae.

    Both statements are false.

    Both statements are true.

    The first statement is false; the second is true.

    The first statement is true; the second is false
    Both statements are true.
  24. Using an antiseptic oral rinse before treatment, a rubber dam, or an  antimicrobial-laced external water supply during treatment when ultrasonics or irrigators are used may be of help in preventing the spread of infection.

    The statement is correct, but the reason is NOT.

    NEITHER the statement NOR the reason is correct.

    Both the statement and the reason are correct and related.

    The statement is NOT correct, but the reason is correct.

    Both the statement and the reason are correct but NOT related
    Both the statement and the reason are correct and related.
  25. Since the apices of the mandibular second and third molars are inferior to the mylohyoid muscle, an infection here will MOST likely spread directly to the sublingual space.

    Both the statement and the reason are correct and related.

    The statement is NOT correct, but the reason is correct.

    The statement is correct, but the reason is NOT.

    Both the statement and the reason are correct but NOT related.

    NEITHER the statement NOR the reason is correct
    The statement is correct, but the reason is NOT.
  26. MULTIPLE ANSWERS

    From the following list of fascial spaces, select those that can be DIRECTLY involved in the spread of infection concerning Ludwig's angina.

    Submandibular space
    Parapharyngeal space
    Retropharyngeal space
    Infratemporal space
    • Submandibular space
    • Parapharyngeal space
    • Retropharyngeal space
    • Infratemporal space
  27. MULTIPLE ANSWERS

    From the following list of case histories, select those that have a high risk of opportunistic infections.

    Transplant therapy
    Cancer
    Diabetes
    AIDS/HIV
    • Transplant therapy
    • Cancer
    • Diabetes
    • AIDS/HIV
  28. From the list of descriptions, select those that describe components that may be involved as infection resistance factors in the oral cavity.

    Beta-lactamase enzyme production
    Penicillin-susceptible pathogens
    Gram-positive aerobic bacteria
    Lipaseenzyme production
    Beta-lactamase enzyme production

    Beta-lactamase enzyme production can be involved as an infection resistance factor, as well as gram-negative anaerobic bacteria and penicillin-resistance pathogens, in the oral cavity.
  29. MULTIPLE ANSWERS

    From the list of descriptions, select those that involve bacteremia and its complications.

    Lodging of bacteria in compromised tissue
    Set up of deep serious heart infection
    Low risk of infective endocarditis
    Need for psychological premedication
    • Lodging of bacteria in compromised tissue
    • Set up of deep serious heart infection
  30. MULTIPLE ANSWERS

    From the list of situations, select those which can spread dental infections.

    Lymphatics
    Paranasal sinuses
    Fascial spaces
    Vascular system
    • Lymphatics
    • Paranasal sinuses
    • Fascial spaces
    • Vascular system

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