Local And General Anaesthesia

Question 1

Gow Gates and Akinosi techniques are for

Answer 1

Intraoral Mandibular anaesthesia

Question 2

The Needle is inserted and directed ……… to the Lateral pterygoid plate below foramen ovale for extraoral mandibular anaesthesia.

Answer 2

Posterior

Question 3

The Needle is inserted and directed ……… to the Lateral pterygoid plate into the pterygomandibular fossa for extraoral maxillary anaesthesia.

Answer 3

Anterior

Question 4

Example of long acting local anaesthetic is……..

Answer 4

Etidocaine - 200 mins

Bupivacaine - 180 mins

Question 5

Theories of Local anesthetic action are

Answer 5

1. Membrane Expansion Theory
2. Calcium Displacement Theory
3. Electrical Potential Theory
4. Specific Receptor Theory (most accepted Theory)

Question 6

In hemophilia the technique of local infiltration applied is ………

Answer 6

Intraligamentary (Intraosseous technique) the solution is deposited in the depth of gingival sulcus.

the needle is inserted APICALLY into the bone until resistance is met.

Question 7

Adrenaline should not be combined with which local anaesthetic?

Answer 7

Cocaine (natural local anaesthetic) has vasoconstrictor action of increases vasoconstrictive action of Adrenaline. Lethal in case of cocaine abusers, they’re called Walking Time Bombs.

Question 8

Maximum dose of Lidocaine without Adrenaline is

Answer 8

4 mg/kg body weight not exceed 300 mg.

Question 9

Maximum dose of Lidocaine with vasoconstrictor is

Answer 9

7 mg/ kg body weight should not exceed 500mg

Question 10

Gate Control Theory was proposed by

Answer 10

Melzack and Wall (1965)

Question 11

the amount of vasoconstrictor in 1 ml of 2% lidocaine with 1: 2,00,000 adrenaline is

Answer 11

0.005 mg

Question 12

Muscle pierced by needle when giving interior alveolar nerve block is

Answer 12

Buccinator

Question 13

Which muscle is pierced by needle while giving interior alveolar nerve block?

Answer 13

Buccinator

Question 14

A bilateral Mandibular block

Answer 14

is dangerous because of Tongue fall but NOT CONTRAINDICATED.

Question 15

General Anaesthesia techniques should be used in oral surgery

Answer 15

Nasoedotracheal Tube with throat pack

Question 16

Long acting but toxic LA is

Answer 16

Dibucaine

Question 17

Which drug is used to prevent Laryngospasm due to GA

Answer 17

Succinylcholine

Question 18

Absolute contraindication for the use of local anaesthetic is

Answer 18

Hypersensitivity to the drug

Question 19

Inferior alveolar nerve block is absolutely contraindicated in patients suffering from -

Answer 19

Hemophilia

Inferior alveolar and posterior superior alveolar should be avoided due to possibility of dissecting hematoma. Factor 8 replacement therapy indicated and Interligamentary Technique is preferred.

Question 20

Which nerve fibre are sensitive to LA

Answer 20

C Fibres

Question 21

Possible Side effects of systemic absorption of Lidocaine

Answer 21

Tonic Clonic Convulsions
Decreased Cardiac output
Respiratory Depression

Question 22

Lidocaine is used more commonly in dentistry because

Answer 22

Causes lesser incidences of allergic reaction

Question 23

La with adrenaline is absolutely contraindicated in

Answer 23

Hyperthyroidism

Question 24

When blocking a nerve containing both Motor and sensory fibres , the last functional property lost is

Answer 24

Proprioception
technically it’s Skeletal Muscle Tone.

First sensation lost is PAIN

Question 25

Improper Needle insertion during inferior alveolar nerve block causes

Answer 25

Facial nerve Paralysis also , Hematoma and Trismus

Question 26

Improper Needle insertion during inferior alveolar nerve block causes

Answer 26

Facial nerve Paralysis also , Hematoma and Trismus

Question 27

Akinosi Vazarani technique is a .... mouth technique

Answer 27

Closed

Question 28

Hematoma formation is more common with

Answer 28

Posterior Superior alveolar Nerve Block

Question 29

Toxicity of local anaesthesia is reversed by

Answer 29

IV Barbiturates

Question 30

Prilocaine is safer than lignocaine (True or False)

Answer 30

True

Question 31

Onset of Lidocaine

Answer 31

3-5 minutes

Question 32

Sedatives used in dentistry

Answer 32

Benzodiazepines

Question 33

action of Adrenaline is potentiated by

Answer 33

Halothane Ethyl Chloride Cyclopropane

Question 34

Actions of Long acting Muscle Relaxants used in GA Maybe terminated by using.....

Answer 34

Neostigmine

Question 35

The cause of sensation of tissue tearing during local anaesthesia administration is due to

Answer 35

Barb on the Needle

Question 36

Increase incidence of reaction to LA will occur by

Answer 36

rapid Rate of injection

Question 37

Excess plasma levels of Lignocaine can cause cardiovascular collapse due to

Answer 37

Myocardial Depression

Question 38

the LA with sympathomimetic activity

Answer 38

cocaine

Question 39

which respiratory condition is most alarming during patient sedation in Dental clinic

Answer 39

Apnea

Question 40

Onset of Lidocaine action is

Answer 40

3-5 minutes

Question 41

Side effects of systemic absorption of Lidocaine

Answer 41

Tonic Clonic Convulsions Decreased Cardiac Output Respiratory Depression

Question 42

Which is the suitable anesthetic for a hypertensive patient suffering from a heart disease

Answer 42

Prilocaine and Felypressin

Question 43

Action of Procaine is terminated by

Answer 43

Metabolism in the liver and by pseudo cholinesterase in the plasma

Question 44

most common complication occuring due to GA within first 24 hours after surgery is

Answer 44

Atelectasis

Question 45

Most significant adverse consequences of intravenous LA is

Answer 45

Seizures

Question 46

most common LA combination used is

Answer 46

1: 80,000 Xylocaine HCL

Question 47

Sodium Meta bisulfite in LA acts as a

Answer 47

Reducing Agent

Question 48

Maximum allowable dose of 2% lidocaine with 1:1ooooo Epinephrine for a child of 40 lbs is

Answer 48

120 mg

Question 49

Which combination forms daycare Anaesthesia

Answer 49

Fentanyl propofol isoflurane

Question 50

Kelsey Fry Technique refers to remocal in

Answer 50

Impacted Mandibular 3rd Molars

Question 51

nerves anesthetized in incisive Nerve block are

Answer 51

incisive and mental nerve

Question 52

In a patient with Trismus, technique that will block mylohyoid nerve, incisive nerve and long buccal nerve

Answer 52

Akinosi Vazarani technique