ADC-CLINICAL EXAM: 140

This topic contains 11 replies, has 1 voice, and was last updated by  Editor 1 year, 2 months ago. This post has been viewed 554 times

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  • #94900
     Editor 
    Keymaster

    A new diagnostic test is evaluated against an independent “gold” standard” in 100 subjects with the following results:
    True positive = 48
    True negative = 8
    False positive = 12
    False negative= 32
    What is the negative predictive value of this new diagnostic test?

    A- 20 percent
    B- 40 percent
    C- 60 percent
    D- 80 percent
    A

    #94901
     Editor 
    Keymaster

    A displaced fracture of the mandible courses from the angle to the third molar. This fracture is potencially difficult to treat with a closed reduction because of
    A- Injury to the neurovascular bundle
    B- Malocclusion secondary to the injury
    C- Compromise of the blood supply to the mandible
    D- Distraction of the fracture segments by muscle pull
    d

    #94902
     Editor 
    Keymaster

    A dentist has planned in-office-bleaching and porcelain laminate veneers for a patient’s maxillary anterior teeth. What would be the best sequence of treatment?
    A- Bleaching, 2 week delay, tooth preparation, bonding procedures
    B- Bleaching and tooth preparation, 2-5 day delay, bonding procedures
    C- Tooth preparation, 2 week delay, bleaching, and bonding procedures
    D- Tooth preparation, 2 week delay, bonding, and then bleaching procedures
    a

    #94903
     Editor 
    Keymaster

    Best for osseointegration in general
    ● Ant mand
    ● Ant max
    ● Post max
    ● Post man
    a

    #94904
     Editor 
    Keymaster

    A 50-year-old man is brought to the emergency department after a high-speed motor vehicle collision. CT scan is obtained and shows a highly comminuted fracture of the mandible involving the symphysis, body, and angle on the left. Which of the following types of vessels supplies perfusion to these mandibular segments?

    A) Diaphyseal
    B)Epiphyseal
    C) Galeal
    D) Metaphyseal
    E) Periosteal
    e

    #94905
     Editor 
    Keymaster

    A 27-year-old woman is evaluated for jaw pain and new-onset malocclusion with anterior open bite, resulting from a fall from a ladder 6 hours ago. X-ray studies show comminuted bilateral intracapsular mandible fractures. Which of the following is the most appropriate treatment?

    A) Application of an external fixation
    B)Bilateral temporomandibular joint replacements
    C) Maxillomandibular fixation for 2 weeks
    D) Open reduction and internal fixation
    E) Observation with soft diet restriction
    c

    #94906
     Editor 
    Keymaster

    Implant patient: Which cells will be most actively dividing:
    Fibroblast
    osteoblast
    b

    #94907
     Editor 
    Keymaster

    For the porcelain veneer preparation, the standard amount of tooth reduction in the
    incisal one third of the facial surface is
    A- 0.3 mm
    B- 0.5 mm
    C- 0.8 mm
    D- 1.0 mm

    #94908
     Editor 
    Keymaster

    Loss of sensation in the lower lip may be produced by,

    A. Bell’s palsy
    B. Traumatic bone cyst
    C. Trigeminal neuralgia
    D. Fracture in the mandible first molar region
    E. Ludwig’s angina
    d

    #94909
     Editor 
    Keymaster

    What is the LEAST likely reason for postoperative sensitivity after a Class I occlusal composite restoration is placed?
    A- Gap formation which allows bacterial penetration into the dentin tubules
    B- Gap formation which allows an outward flow of fluid from through the dentin tubules
    C- Direct toxic effects of a 15 second acid etc on the pulp
    D- Cuspal deformation due to contraction forces of polymerization shrinkage
    a

    #94910
     Editor 
    Keymaster

    Which is the best approach for a a patient who becomes very uncomfortable when a planned surgical procedure is discussed?
    A- Explain post-operative instruction only after the procedure
    B- Explain post-operative instructions, obtain informed consent, and help the patient to resolve anxiety before the procedure
    C- Explain and obtain only informed consent before the procedure, and apologize for making the patient uncomfortable
    D- Explain and obtain informed consent before the procedure and explain post-operative instructions after the procedure
    B

    #94911
     Editor 
    Keymaster

    A patient’s measured stimulated salivary flow volume is 0.5 ml/minute. The term that best describes this condition is
    A- Xerostomia
    B- Normal salivary flow
    C- Hyposalivation
    D- Hypersalivation
    c

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