Anesthesiology

Question 1

Local anesthesia blocks ___ sensations

Answer 1

Motor and sensory

Question 2

LA blocks ___ channels intracellular or extracellular

Answer 2

Na channels

From outside to inside (intracellular)

Question 3

Water soluble form

Answer 3

Ionized form

Question 4

Carpules are made from what form

Answer 4

Water soluble to be in an injectable form

Question 5

<7 ph - acidic = ____ inc or dec Hydrogen

> 7 ph - basic = ______

Answer 5

Increase

Decrease

Question 6

Determines acidity of a compound

Answer 6

PKa

Question 7

Low pka = ____ acidic or basic = more hydrogen or less

Answer 7

More acidic

More hydrogen

Question 8

Lidocaine pKa

Answer 8

7.8

Question 9

If tissue is acidic LA will be more or less effective

Answer 9

Less effective

More water sol

Question 10

Order of loss of sensation

Answer 10

Si PaT nag ToPS

Pain
Temp
Touch
Pressure
Skeletal muscle tone

Question 11

Anesthetic adverse rxns (2)

Answer 11

Toxicity

Allergies

Question 12

Causes of toxicity (3)

Answer 12

Rapid induction of LA
vessel deposition
Overdosage

Question 13

LA can cause allergic rxns due to (2)

Answer 13

Methylparaben

Sodium bisulfite

Question 14

Management of Syncope

Answer 14

Tredelenburg

Question 15

Maximum carpule for normal px

Answer 15

7

Question 16

Preservative of LA

Answer 16

Methylparaben

Question 17

Antioxidant of vasoconstrictor

Answer 17

Sodium bisulfite

Question 18

Ester has highest incidence of LA allergic rxn due to ____

Answer 18

PABA metabolite - similar to methyl paraben

Question 19

Effects of vasoconstrictor (3)

Answer 19

Inc duration of effect of LA
Reduce toxicity
Reduce bleeding

Question 20

Max dosage of vasoconstrictor

Answer 20

0.2 g or 200 mcg

Question 21

Max dosage of vasoconstrictors for cardiovascular compromised px

Answer 21

0.04 mg

40 mcg

Question 22

All LA are vasodilators except

Answer 22

Cocaine

Question 23

Brand name of lidocaine

Answer 23

Xylocaine

Lignocaine

Question 24

Brand name of prilocaine

Answer 24

Citanest

Question 25

Brand name of mepivacaine

Answer 25

Carbocaine

Question 26

Brand name of bupivacaine

Answer 26

Marcaine

Question 27

Brand name of etidocaine

Answer 27

Duranest

Question 28

Brand name of articAine

Answer 28

Zorcaine | Septocaine

Question 29

Short duration of action amide

Answer 29

3% mepicavaine

Question 30

LA contraindi to kids

Answer 30

Bupivacaine

Question 31

LA rapidly metabolized in he body

Answer 31

Articaine

Question 32

Longest acting amides (2)

Answer 32

``` Bupivacaine Etidocaine (not available in the market) ```

Question 33

Amide LA is combined to produce topical anesth

Answer 33

Lidoc | Priloc

Question 34

Most common LA

Answer 34

Lidocaine

Question 35

Amide safe for children and px with heart problems

Answer 35

Mepivacaine

Question 36

Brand name of procaine

Answer 36

Novocaine

Question 37

Brand name of benzocaine

Answer 37

Anbesol

Question 38

Generic name of metycAine

Answer 38

Piperocaine

Question 39

Brand name of piperocaine

Answer 39

Metycaine

Question 40

Brand name of tetracaine

Answer 40

Dicaine

Question 41

Needle lengths

Answer 41

Ultrashort - <20 mm Short - 20 mm Long - 32 mm

Question 42

Needle dimension

Answer 42

30 g - small 27 25 g - large

Question 43

Most common site of fracture of needle

Answer 43

Hub

Question 44

Needle used for Md. block in pedia

Answer 44

27 gauge | Short needle

Question 45

Needle used for mandiblock in adults

Answer 45

25/ 27 gauge | Long needle

Question 46

Needle used for intralig injection

Answer 46

30 gauge | Short needle

Question 47

Level of needle when mandiblock in children

Answer 47

Below occlusal plane 45degrees

Question 48

Level of needle when mandiblock in adults

Answer 48

Parallel to occlusal line

Question 49

Infraorbital block aka

Answer 49

True asan block

Question 50

Infraorbital nerve block include ___ and ____

Answer 50

Asan - common | Msan - sometimes

Question 51

Complication common of psan

Answer 51

Hematoma

Question 52

Lesser palatine nerve aka

Answer 52

Post palatine nerve

Question 53

Blocks ant 1/3 of hard palate

Answer 53

Nasopalatine nerve block

Question 54

Nasopalatine nerve aka

Answer 54

Nerve of scarpa

Question 55

Cyst seen in incisive foramen | Rx:_____

Answer 55

Nasopalatine duct cyst | Heart shape

Question 56

Greater palatine nerve block aka

Answer 56

Anterior palatine n block

Question 57

Gow gates blocks (5)

Answer 57

``` IAN Lingual n Auriculotemporal Mylohyoid n Long buccal ```

Question 58

Closed mouth mandibular blocking

Answer 58

Akinosi vazirani technique

Question 59

Gow gates blocking aka

Answer 59

True mandiblock