OMSITE (questions & answers) A+
graded A+
What type of shock in child shows hypotension but no tachycardia? - correct answer ✔✔
Distributive
What agent is responsible for excessive hypotension with induction dose of propofol? - correct
answer ✔✔ ACE inhibitor
What is the most important determinant of stability of BSSO - correct answer ✔✔ Pattern and
orientation of screws
What are the endoscopic brow lift incisions - correct answer ✔✔ 1 midline, 2 paramedian, 2
temporal
What does Clarks level measure? - correct answer ✔✔ Layer of skin
What does Braslows levels measure? - correct answer ✔✔ Depth of invasion in mm
What is the significance of the Dedo classification? - correct answer ✔✔ Describes cervical neck
changes with aging for facelift
Intramembranous bone formation occurs in what bone(s)? - correct answer ✔✔ Ascending
ramus
What is a micro gap? - correct answer ✔✔ Space between implant and abutment
,Excessive torque on implant placement leads to what? - correct answer ✔✔ Necrotic bone
What is the most important determinant of failure at one year for immediate implant
placement? - correct answer ✔✔ Loading
What would be responsible for exposure of 6 threads on implant, but patient is asymptomatic? -
correct answer ✔✔ Occlusal trauma
What is the difference between peri implantitis and peri mucositis? - correct answer ✔✔ Bone
loss
What is an absolute contraindication to using bmp2? - correct answer ✔✔ 76 yo male with lung
cancer (due to the cancer)
What causes rise in paCO2? - correct answer ✔✔ Opioid hypoventilation
Most common pediatric airway emergency? - correct answer ✔✔ Airway obstruction
What represents the 3 neuron pain system? - correct answer ✔✔ Pain from tooth root goes to
cell bodies in gasserian (trigeminal) ganglion then to nucleus caudalis
What is an indication for plavix? - correct answer ✔✔ PVD
(also myocardial infarction [and other forms of acute coronary syndrome] and stroke)
What is the difference between hemangioma and a vascular malformation? - correct answer
✔✔ Vascular malformations are present at birth and do no involute
,2/3 of hemangiomas are not present at birth and they involute
What are anatomical features of the facial nerve? - correct answer ✔✔ Rarely (0% and
6%)below the mandible anterior to the facial vessels, 1.5 cm (OMSITE 2006 says 1-1.2cm) below
the angle of the mandible
Dry socket is due to an error in what stage of healing? - correct answer ✔✔ Coagulative phase
Mobility at the mandible fracture site causes what? - correct answer ✔✔ Increased FGF
A 10cm continuity defect after mandibular resection would best be reconstructed using bone
graft from which location? - correct answer ✔✔ Posterior iliac crest
Which approach is preferred of tibial approach? - correct answer ✔✔ Medial because it avoids
vital structures
A mucicarmine stain is what color and has what significance? - correct answer ✔✔ Stains red
and differentiates between mucin producing tumors such as mucoepidermoid carcinoma and
those that do not such as SCCa
Is a lady's lesion on pathological review has s100+, spindle cells, two different kinds of cellular
orientation what is the lesion? What are the cellular orientations? - correct answer ✔✔
Schwannoma
and
Antoni A, Antoni B
How does one treat IAN after injury? - correct answer ✔✔ Segmental resection of proximal and
distal ends
, Approach to mediastinum to I&D neck fast? - correct answer ✔✔ Transcervical
Soap bubble radiolucency in the mandible of a 20's male with painless expansion? - correct
answer ✔✔ Odontogenic myxoma
Why would any individual experience gait disturbance after AICBG? - correct answer ✔✔
Stripping of tensor fascia lata
What is the primary resistance to transverse widening in the SARPE? - correct answer ✔✔
Zygomaticomaxillary buttresses
What is the most important place to put plate for stability of ZMC fracture? - correct answer
✔✔ Zygomaticomaxillary
A patient with 2 condylar fractures and symphysis fracture will likely experience what physical
changes? - correct answer ✔✔ Widening of the lower face
What feature is seen in high mandibular plane angle? - correct answer ✔✔ Short condyles
Most important anatomical consideration for a long BSSO? - correct answer ✔✔ Curve of Spee
What is the most accurate way to measure transverse maxillary discrepancy for orthographic
surgery? - correct answer ✔✔ Place casts into class I canine occlusion
What is the best way to assess maxillary occlusal cant? - correct answer ✔✔ Medial canthal line
to canines
Patient presents to ED with FOM swelling following tori removal, what is the most likely
etiology? - correct answer ✔✔ Hematoma from sublingual branch of lingual artery
graded A+
What type of shock in child shows hypotension but no tachycardia? - correct answer ✔✔
Distributive
What agent is responsible for excessive hypotension with induction dose of propofol? - correct
answer ✔✔ ACE inhibitor
What is the most important determinant of stability of BSSO - correct answer ✔✔ Pattern and
orientation of screws
What are the endoscopic brow lift incisions - correct answer ✔✔ 1 midline, 2 paramedian, 2
temporal
What does Clarks level measure? - correct answer ✔✔ Layer of skin
What does Braslows levels measure? - correct answer ✔✔ Depth of invasion in mm
What is the significance of the Dedo classification? - correct answer ✔✔ Describes cervical neck
changes with aging for facelift
Intramembranous bone formation occurs in what bone(s)? - correct answer ✔✔ Ascending
ramus
What is a micro gap? - correct answer ✔✔ Space between implant and abutment
,Excessive torque on implant placement leads to what? - correct answer ✔✔ Necrotic bone
What is the most important determinant of failure at one year for immediate implant
placement? - correct answer ✔✔ Loading
What would be responsible for exposure of 6 threads on implant, but patient is asymptomatic? -
correct answer ✔✔ Occlusal trauma
What is the difference between peri implantitis and peri mucositis? - correct answer ✔✔ Bone
loss
What is an absolute contraindication to using bmp2? - correct answer ✔✔ 76 yo male with lung
cancer (due to the cancer)
What causes rise in paCO2? - correct answer ✔✔ Opioid hypoventilation
Most common pediatric airway emergency? - correct answer ✔✔ Airway obstruction
What represents the 3 neuron pain system? - correct answer ✔✔ Pain from tooth root goes to
cell bodies in gasserian (trigeminal) ganglion then to nucleus caudalis
What is an indication for plavix? - correct answer ✔✔ PVD
(also myocardial infarction [and other forms of acute coronary syndrome] and stroke)
What is the difference between hemangioma and a vascular malformation? - correct answer
✔✔ Vascular malformations are present at birth and do no involute
,2/3 of hemangiomas are not present at birth and they involute
What are anatomical features of the facial nerve? - correct answer ✔✔ Rarely (0% and
6%)below the mandible anterior to the facial vessels, 1.5 cm (OMSITE 2006 says 1-1.2cm) below
the angle of the mandible
Dry socket is due to an error in what stage of healing? - correct answer ✔✔ Coagulative phase
Mobility at the mandible fracture site causes what? - correct answer ✔✔ Increased FGF
A 10cm continuity defect after mandibular resection would best be reconstructed using bone
graft from which location? - correct answer ✔✔ Posterior iliac crest
Which approach is preferred of tibial approach? - correct answer ✔✔ Medial because it avoids
vital structures
A mucicarmine stain is what color and has what significance? - correct answer ✔✔ Stains red
and differentiates between mucin producing tumors such as mucoepidermoid carcinoma and
those that do not such as SCCa
Is a lady's lesion on pathological review has s100+, spindle cells, two different kinds of cellular
orientation what is the lesion? What are the cellular orientations? - correct answer ✔✔
Schwannoma
and
Antoni A, Antoni B
How does one treat IAN after injury? - correct answer ✔✔ Segmental resection of proximal and
distal ends
, Approach to mediastinum to I&D neck fast? - correct answer ✔✔ Transcervical
Soap bubble radiolucency in the mandible of a 20's male with painless expansion? - correct
answer ✔✔ Odontogenic myxoma
Why would any individual experience gait disturbance after AICBG? - correct answer ✔✔
Stripping of tensor fascia lata
What is the primary resistance to transverse widening in the SARPE? - correct answer ✔✔
Zygomaticomaxillary buttresses
What is the most important place to put plate for stability of ZMC fracture? - correct answer
✔✔ Zygomaticomaxillary
A patient with 2 condylar fractures and symphysis fracture will likely experience what physical
changes? - correct answer ✔✔ Widening of the lower face
What feature is seen in high mandibular plane angle? - correct answer ✔✔ Short condyles
Most important anatomical consideration for a long BSSO? - correct answer ✔✔ Curve of Spee
What is the most accurate way to measure transverse maxillary discrepancy for orthographic
surgery? - correct answer ✔✔ Place casts into class I canine occlusion
What is the best way to assess maxillary occlusal cant? - correct answer ✔✔ Medial canthal line
to canines
Patient presents to ED with FOM swelling following tori removal, what is the most likely
etiology? - correct answer ✔✔ Hematoma from sublingual branch of lingual artery
