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Showing page 1 of 31 (277 total shorts) — subject: "Oral Surgery"
#1 Oral Surgery
Longest acting local anaesthetic is Bupivacaine.
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Answer
Longest acting local anaesthetic is 
 1. Bupivacaine
 2. Tetracaine
 3. Lidocaine
 4. Both A and B
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#2 Oral Surgery
The submentovertex (SMV) view, also known as the jug handle view, is the standard radiographic projection used to visualize the zygomatic arches clearly. This view projects the arches away from the dense bone of the skull base, allowing for better diagnosis of fractures.
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Answer
Which X-ray view should be taken for the diagnosis of a fracture of the zygomatic arch?
1. Lateral skull
2. Submentovertex
3. Occlusal
4. Posterioanterior
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#3 Oral Surgery
Injecting local anesthetic solution slowly helps to minimize discomfort for the patient and reduces the risk of systemic toxicity. A common guideline for a volume of 1.8 ml or 2 ml is to inject it over at least 60 seconds (1 minute), or even longer.
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Answer
How much time should be taken to inject 2 ml of an anesthetic solution in the tissues?
1. 20 seconds
2. 1 minute
3. 4 minutes
4. 10 minutes
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#4 Oral Surgery
A mucocele is the most likely diagnosis for a painless, bluish, translucent vesicle on the mucous membrane of the lower lip. This common lesion results from trauma to a minor salivary gland duct, causing mucus to spill into the surrounding connective tissue.
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Answer
A patient presents with a painless, bluish, translucent vesicle on the mucous membrane of the lower lip The most likely diagnosis is
1. cheilitis glandularis
2. mucocele
3. cystic hygroma
4. hemangioma
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#5 Oral Surgery
Local anaesthesia is ineffective in localized infection.
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Answer
Of the following in which condition local anaesthesia is ineffective? 
 1. Oedema
 2. Localised infection
 3. Haematoma
 4. Anaemia
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#6 Oral Surgery

Sodium metabisulfite is an antioxidant (reducing agent) added to local anaesthetic solutions containing vasoconstrictors (e.g., adrenaline).

Its function is to prevent oxidation of adrenaline, thereby maintaining its potency.

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Answer
The role of sodium metabisulfite in local anaesthetic agent is
1) Preservative
2) Fungicide
3) Reducing agent
4) Vasoconstrictor
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#7 Oral Surgery
A chondromyxoid fibroma is a rare, benign bone tumor that typically causes pain as its most prominent clinical symptom. The other options listed are generally associated with little to no pain. A myxoma is usually painless. A torus palatinus and an osteoma are typically slow-growing, hard, bony growths that are asymptomatic unless they interfere with function or are traumatized.
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Answer
Pain is the outstanding clinical characteristic of
1. a myxoma
2. a torus palatinus
3. a chondromyxoid fibroma
4. an osteoma
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#8 Oral Surgery
Methyl paraben frequently causes allergic reactions in amide type local anaesthesia.
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Answer
Frequently which of the following constitutes is amide type local anaesthesia causes allergic reaction 
 1. Lignocaine hydrochloride
 2. Methyl paraben
 3. Adrenaline
 4. Contaminants in the solution
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#9 Oral Surgery
The role of sodium metabisulfite in local anaesthetic agent is as a preservative.
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Answer
The role of sodium metabisulfite in local anaesthetic agent is 
 1. Preservative
 2. Fungicide
 3. Reducing agent
 4. Vasoconstrictor
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