- Excisional biopsy is done in lesion of size:
- Less than 2 cm in diameter
- More than 4 cm in size
- None of the above
- All of the above
- Incisional biopsy includes:
- Only pathologic tissue
- Pathologic and normal tissue
- Only normal tissue
- None of the above
- Requirements of flap are:
- Flap must be designed to provide an adequate exposure of the surgical site
- Broad base and good vascular supply
- When placed back should rest on healthy bone
- All of the above
- Surgical incision should be made:
- 45 degree to epithelial surface
- Right angle to epithelial surface
- Can be done at any angle
- None of the above
- Fixer used for biopsy specimen:
- 10 percent formalin
- 10 percent benzoin
- Toluidine blue
- None of the above
- All of the following are absorbable suture material except:A. CatgutB. PolyglycolicC. PolyglactinD. Silk
- All of the following are non absorbable suture except:A. SilkB. Stainless steelC. NylonD. Chromic catgut
- Which number scalpel blade is universally useful for oral surgical procedure?A. 15B. 12C. 17D. 10
- Local factors predisposing bone to osteomyelitis are related mainly to:
- Reduced antibody formation
- Reduced blood supply
- Potent endotoxin
- Increased lymphatic circulation
- Normally a dressing should be changed after every:A. Atleast 24 hrB. 3–4 daysC. 24–48 hrD. 4–5 days
- Presence of suture increases the susceptibility of infection by a factor of:A. 100 timesB. 1000 timesC. 10000 timesD. 100000 times
- Which of the following material is not used for packing of wounds?
- Iodoform gauze
- Gauze soaked in antibiotic paste
- Betadine
- Gauze soaked in hydrogen peroxide
- Drains are used for:
- Providing exit for pus and infection outside
- Prevent formation of haematomas
- Prevent formation of seromas in hard and soft tissues
- All of the above
- In periodontal surgeries needle used is:
- 1/4th, round body
- 3/8th, reverse cutting
- 1/2, flat needle
- 3/4th, atraumatic needle
- Poor accessibility is main disadvantage of:A. Trapezoid flapB. Envelope flapC. Semilunar flapD. Any of the above
- Vicryl is an:
- Absorbable natural suture
- Absorbable synthetic suture
- Nonabsorbable silk suture
- Nonabsorbable synthetic suture
- Incisional biopsy is indicated in:
- 2 cm hemangioma of tongue
- 3 cm leukoplakia of cleft palate
- 0.5 cm fibroma of gingiva
- 3.5 cm area of fordyces spot of cheek
- Among the following which factor influences pain perception threshold:A. Emotional stateB. ApprehensionC. AgeD. All of the above
- Complete blood count does not include:A. HaemoglobinB. HaematocritC. Total WBC countD. ESR
- Among the following which causes practisioner the greatest concern:
- 80 percent of normal partial prothrombin time
- 50 percent of normal prothrombin time
- 30 percent of normal prothrombin time
- 20 percent of normal prothrombin time
- Which of the following is early sign of need of oxygen?A. TachycardiaB. CyanosisC. Sternal relaxationD. Constricted pupil
- Among the following which anaerobic organism is frequently responsible for oral infection?
- Staphylococcus aureus
- Staphylococcus albus
- Bacteroides fragilis
- Streptococcus viridans
- In patient on artificial ventilation the cycle of exhale air ventilation should be repeated of every:A. 20 secsB. 10 secsC. 5 secsD. 1 sec
- The following factors influence the sedation procedure with IV agents:A. Weight of patientB. AgeC. Type of agent usedD. All of the above
- Frequent site for occurrence of ameloblastoma is:
- Mandibular premolar area
- Max molar area
- Max antrum and floor of nose
- Mandibular molar and ramus area
- Among the following which is short acting barbiturates:A. PentobarbitalB. PhenobarbitalC. ValiumD. Codeine
- Site of action of valium is:A. CerebellumB. Cerebral cortexC. Limbic systemD. Pyramidal system
- Among the following which has least hypnotic action:A. ChloralhydrateB. PentobarbitalC. PhenobarbitalD. Codeine
- Which of the following lesion has no epithelial lining?A. Nasopalatine cystB. Nasolabial cystC. Aneurysmal bone cystD. Follicular cyst
- Preanesthetic medication is commonly used to achieve the following goals except:
- Decrease nervous irritability
- Decrease secretions
- Provides analgesia
- Desensitise the respiratory center of CO2
- What is the time to administer analgesic for controlling postoperative pain?
- After the regain of sensation
- Pain becomes moderate to severe
- Before the anesthetic effect wears off
- None of the above
- The soft tissue incision used to remove mand. Tori should be placed:
- Directly over torus
- Inferior to torus in floor of mouth
- Over the edentulous crest or gingival crevice around the dentition
- None of the above
- Which of the following bone graft has the greatest osteogenic potential?
- Autogenous cortical bone
- Autogenous cancellous graft
- A freeze dried bone graft
- Xenograft
- Among the following which is an advantage of IV administration of drug?
- Minimal skill
- Sedative drugs are compatible with IV solution
- It eliminates side effects
- It allows titration of the drug
- Sedation by which of the following routes can be reversed most rapidly?A. InhalationB. IntramuscularC. IntravenousD. Oral
- An inhaled foreign body most probably enters:A. Left bronchusB. Right bronchusC. OesophagusD. None of the above
- A patient came to dental clinic who has pulse rate of 72 respiratory rate of 15 bp of 120/80 warm pink extremities and pupils that constrict during near accommodation then what is the diagnosis:A. Normal patientB. Acute anxiety syndromeC. Coronary artery diseaseD. Myopia
- Best way to palpate submandibular gland is:
- Bimanual extraoral
- Monomanual extraoral
- Bimanual simultaneous intra and extraoral
- None of the above
- Among the following which is strongest stimulator to increase the respiration:A. Decrese IV oxygenB. Increase blood pHC. Increase in arterial CO2D. Increase in arterial oxygen
- The following suture material has the memory property:A. SilkB. CatgutC. NylonD. Linen
- Among the following which one elicit more tissue reaction?A. CatgutB. SilkC. NylonD. Linen
- Surgical needle and sutures are usually sterilised in manufacturing units by:A. Gamma radiationB. X-raysC. BoilingD. Dry heat sterilisation
- Langer lines usually runs parallel with:
- Parallel with skin creases and underlying muscle
- Perpendicular to skin creases and parallel to action of underlying muscle
- Parallel with skin creases and perpendicular to action of underlying muscle
- None of the above
- The following is one of the advantage of catgut over plain suture:A. Greater ease of useB. NonabsorbableC. Greater strengthD. Cheap
- The average daily adult fluid intake should be:A. 4000 mlB. 1800 mlC. 1200 mlD. 500 ml
- Among the following which radiograph best demonstrates the subcondylar fracture?A. Townes projectionB. a-p mandibleC. Submento vertexD. Occipito mental
- Of the following which is most common site of metastatis from mandible?A. HeartB. LiverC. LungD. Pancreas44. C45. B46. A47. C