Midterm

Question 1

Primary technique for Posterior Maxilla

Answer 1

PSA, MSA infiltration

Question 2

V2 block is via which foramen?

Answer 2

Greater palatine

Question 3

Each cartridge contains ____ ml of solution

Answer 3

1.7

Question 4

Max safe dose of Epinephrine

Answer 4

.2 mg

Question 5

Max safe dose of epinephrine for cardiac patients

Answer 5

.04 mg

Question 6

Activation gates

Answer 6

m gates

Question 7

Inactivation gates

Answer 7

h gates

Question 8

Time before channel can reopen

Answer 8

refractory period

Question 9

Na+ channel inactivation is responsible for

Answer 9

repolarization

Question 10

Na+ channels are concentrated where?

Answer 10

At nodes of Ranvier

Question 11

Which linkage type causes allergies

Answer 11

esters

Question 12

Higher Q value means?

Answer 12

The better it gets into a nerve fiber and longer it lasts

Question 13

Most to least affected for pain:

Answer 13

Dull pain, warmth, cold, sharp pain, touch, pressure, proprioception

Question 14

What is sodium metabisulfite?

Answer 14

Antioxidant for vasoconstrictors

Question 15

What is methylparaben

Answer 15

Preservative, for multidose vials only

Question 16

pH of LA are usually between?

Answer 16

4-6

Question 17

Most to least lipophilic: mepivacaine, lidocaine, bupivacaine

Answer 17

Bupivacaine, Mepivacaine, Lidocaine

Question 18

Order in which body takes up unbound drug

Answer 18

Lungs, brain/heart/liver/kidneys, muscles, fat

Question 19

amide type metabolism

Answer 19

hepatic metabolism

Question 20

a1 adrenergic receptors

Answer 20

vasoconstrictors- Excitatory

Question 21

a2 adrenergic receptors

Answer 21

inhibits release of NE-inhibitory

Question 22

B1 receptor

Answer 22

found in heart and small intestines-cardiac stimulation

Question 23

B2 receptors

Answer 23

found in bronchi of lungs, produces bronchodilation

Question 24

Why do we need vasoconstrictors? 3 reasons

Answer 24

Hemostasis, lower toxicity, longer duration

Question 25

1:50,000 epi in a 1.7 ml cartridge

Answer 25

.034 mg

Question 26

1:100,000 epi in a 1.7. ml cartridge

Answer 26

.017 mg

Question 27

1:200,000 epi in a 1.7 ml cartridge

Answer 27

.0085 mg

Question 28

alpha or beta predominates in epi?

Answer 28

Beta

Question 29

Higher gauge means

Answer 29

smaller needles

Question 30

Should we use 30 gauge needles?

Answer 30

no

Question 31

How many times should you aspirate before injecting?

Answer 31

2x if blood the first time

Question 32

Type of injection where treatment is done in the same area where the local anesthetic was deposited

Answer 32

Local infiltration

Question 33

Type of injection where local anesthetic is deposited close to a main nerve trunk

Answer 33

Nerve block

Question 34

Pulp, Investing structures, labial soft tissues of anterior teeth

Answer 34

ASA

Question 35

Pulp investing structures, labial soft tissue of premolars and MB root of first molar

Answer 35

MSA

Question 36

Pulp, investing structures, labial soft tissues of molars, except for MB root of first molar

Answer 36

PSA

Question 37

Palatal mucoperiosteum of anterior teeth

Answer 37

Nasopalatine nerve

Question 38

Palatal mucoperiosteum of premolars and molars

Answer 38

Greater palatine nerve

Question 39

Infiltration injection location

Answer 39

Intersection of LA of tooth and height of MB fold

Question 40

Should you use infiltration for large areas of the mouth?

Answer 40

NOpe

Question 41

PSA nerve block technique

Answer 41

Height of MB fold over 2nd molar, upward 45 degree angle, half the length of a long needle (no bone contact)

Question 42

MSA nerve block technique

Answer 42

Height of MB fold above maxillary 2nd premolar

Question 43

Infraorbital nerve block blocks which nerves?

Answer 43

ASA, MSA, Infraorbital

Question 44

Infraorbital nerve block technique

Answer 44

Over 1st premolar

Question 45

Greater palatine nerve block point of insertion

Answer 45

Anterior to GP forament (usually distal to second molar)

Question 46

Most painful injection

Answer 46

Nasopalatine

Question 47

Insertion point for nasopalatine nerve block

Answer 47

lateral to incisive papilla

Question 48

To numb entire side (msa, asa, psa) of maxilla

Answer 48

Maxillary nerve block, same as PSA but deeper

Question 49

Amount of LA to be delivered in each site

Answer 49

About- .5 for Infiltration,palatal anything, about 1 for everything else except Maxillary nerve block is a full cartridge

Question 50

5 nerves of V3

Answer 50

long buccal, lingual, IAN, Mental, incisive

Question 51

IAN innervates

Answer 51

Mandibular teeth pulp to midline, body of mandible, buccal mucoperiosteum

Question 52

Long buccal nerve innervates

Answer 52

Buccal mucoperiosteum of mandibular molars

Question 53

Lingual nerve innervates

Answer 53

Anterior 2/3 of the tongue and floor of mouth, lingual mucoperiosteum

Question 54

IAN nerve block technique

Answer 54

lateral to the pterygomandibular raphe, hit bone, come in from opposite premolar region

Question 55

If you get early touch for IAN on ramus which way do you shift?

Answer 55

Towards the canine

Question 56

If you touch late for the IAN on the ramus where do you shift?

Answer 56

Toward the molar region

Question 57

Lingual nerve block technique

Answer 57

Same as IAN but 5mm out

Question 58

Mylohyoid nerve block

Answer 58

Infiltration on lingual surface of the tooth posterior to the tooth in question

Question 59

Long buccal nerve block technique

Answer 59

Mucous membrane distal and buccal to the most distal molar in the arch, parallel but lateral to occlusal plane, bone contact

Question 60

Mental nerve block technique

Answer 60

MB between 1st and 2nd premolars

Question 61

Gow-gates technique

Answer 61

distal to maxillary 2nd molar, lateral side of condylar neck, hit bone

Question 62

vazirani-Akinosi technique

Answer 62

will relieve muscle spasm/trismus, straight back parallel to maxillary molars, no bone contact