Chapter 9: Exam 1

Question 1

what are the most frequently used needle gauges in dentistry

Answer 1

25, 27, and 30

Question 2

gauge refers to ____________ of lumen of the needle

Answer 2

diameter

Question 3

the smaller the number the greater the diameter of the __________

Answer 3

lumen

Question 4

larger gauge needles have less ________, greater __________. they are more reliable for detecting ___________ aspiration and have less risk of __________

Answer 4

deflection, accuracy
positive
breakage

Question 5

what are 25 gauge long needles used for

Answer 5

inferior alveolar nerve/lingual

Question 6

how many mm long are long needles

Answer 6

32 mm

Question 7

how many mm long are short needles

Answer 7

20-25 mm

Question 8

what is the weakest part of the needle

Answer 8

hub

Question 9

what is the purpose of aspirating

Answer 9

to determine if the needle is inside of a blood vessel

Question 10

how many planes do you have to aspirate in

Answer 10

2

Question 11

is it okay to use a non aspirating syringe

Answer 11

no

Question 12

how long should it take to administer 1 cart of anesthetic

Answer 12

60+ seconds