Deck 9: Armamentariumsyringe Preparation

Question 1

Match the parts of the anesthetic armamentarium with their function or main purpose.

The length of the needle composed of long tubular metal extending from the tip of the needle to the cartridge penetrating end

A)Syringe barrel
B)Harpoon
C)Finger grip
D)Thumb ring
E)Breech-loading syringe
F)Bevel
G)Shaft
H)Syringe adaptor
I)Gauge
J)Diaphragm

Answer 1

Shaft

Question 2

What is a possible disadvantage of using the self-aspirating syringe?

A) Insecurity of the clinician accustomed to the harpoon-type syringe.
B) Harpoon disengagement may occur more easily during aspiration.
C) Discoloration of the plastic from autoclaving frequently.
D) It is rust resistant.

Answer 2

Insecurity of the clinician accustomed to the harpoon-type syringe.

Question 3

Match the parts of the anesthetic armamentarium with their function or main purpose.

Allows for insertion of the cartridge through the side of the barrel

A)Syringe barrel
B)Harpoon
C)Finger grip
D)Thumb ring
E)Breech-loading syringe
F)Bevel
G)Shaft
H)Syringe adaptor
I)Gauge
J)Diaphragm

Answer 3

Breech-loading syringe

Question 4

The importance of aspirating prior to anesthetic deposition and the potential hazards associated with intravascular injections are widely known and accepted.The self-aspirating syringe achieves the positive pressure for an aspiration without a harpoon.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true;the second statement is false.
D) The first statement is false;the second statement is true.

Question 5

Since the syringe was introduced in 1921,what has been the single most important improvement in dental local anesthetic?

A) The addition of the breech-loading window for visibility
B) The addition of the aspirating harpoon
C) The elimination of the needle
D) The computer-controlled anesthetic devices

Question 6

Which of the following is an important feature of the syringe barrel?

A) It provides the clinician with syringe stability and control.
B) It is capable of being loaded from the side.
C) The large window provides direct vision of the cartridge during anesthetic administration.
D) All options listed

Question 7

Why might the harpoon of the syringe become disengaged during aspiration?

A) Clinician technique
B) Dullness
C) Improper syringe set-up
D) All options listed

Question 8

Match the parts of the anesthetic armamentarium with their function or main purpose.

The sharp tip of an aspirating syringe that allows for aspiration

A)Syringe barrel
B)Harpoon
C)Finger grip
D)Thumb ring
E)Breech-loading syringe
F)Bevel
G)Shaft
H)Syringe adaptor
I)Gauge
J)Diaphragm

Question 9

Match the parts of the anesthetic armamentarium with their function or main purpose.

Used to advance or retract the piston

A)Syringe barrel
B)Harpoon
C)Finger grip
D)Thumb ring
E)Breech-loading syringe
F)Bevel
G)Shaft
H)Syringe adaptor
I)Gauge
J)Diaphragm

Question 10

Match the parts of the anesthetic armamentarium with their function or main purpose.

Utilized to give clinician added support of the syringe

A)Syringe barrel
B)Harpoon
C)Finger grip
D)Thumb ring
E)Breech-loading syringe
F)Bevel
G)Shaft
H)Syringe adaptor
I)Gauge
J)Diaphragm

Question 11

What is one disadvantage of using a smaller syringe?

A) It is not comfortable or versatile enough to fit everyone in the dental office.
B) A small portion of the anesthetic remains in the cartridge and is not usable.
C) The cost of having multiple size syringes is prohibitive.
D) The patients notice a difference in comfort levels.

Question 12

What is produced when the thumb ring of a syringe is pulled back by the clinician,causing retraction of the rubber stopper?

A) Positive aspiration
B) Negative aspiration
C) Negative pressure
D) None of the above

Question 13

Which part of the syringe must be pulled back when inserting the anesthetic cartridge?

A) The internal end of the piston with the harpoon
B) The external end of the piston
C) The harpoon only
D) The rubber stopper

Question 14

Established local anesthetic syringe criteria include which of the following?

A) Disposable and packaged in sterile containers
B) Lightweight and simple to use
C) Able to withstand repeated use and sterilization
D) All options listed

Question 15

Match the parts of the anesthetic armamentarium with their function or main purpose.

The point or tip of the needle

A)Syringe barrel
B)Harpoon
C)Finger grip
D)Thumb ring
E)Breech-loading syringe
F)Bevel
G)Shaft
H)Syringe adaptor
I)Gauge
J)Diaphragm

Question 16

What should the clinician do if the harpoon becomes disengaged during aspiration?

A) Seek help from the dentist.
B) Do not let the patient know and continue with the procedure,but document the incident in the chart notes.
C) Remove the syringe,remove the needle,reengage the harpoon,reattach the needle,and then continue with the procedure.
D) Gently reengage the harpoon while maintaining correct injection site position.

Question 17

Match the parts of the anesthetic armamentarium with their function or main purpose.

The semipermeable material located at the top of the anesthetic cartridge

A)Syringe barrel
B)Harpoon
C)Finger grip
D)Thumb ring
E)Breech-loading syringe
F)Bevel
G)Shaft
H)Syringe adaptor
I)Gauge
J)Diaphragm

Question 18

Match the parts of the anesthetic armamentarium with their function or main purpose.

The size of the lumen of the needle

A)Syringe barrel
B)Harpoon
C)Finger grip
D)Thumb ring
E)Breech-loading syringe
F)Bevel
G)Shaft
H)Syringe adaptor
I)Gauge
J)Diaphragm

Question 19

Match the parts of the anesthetic armamentarium with their function or main purpose.

Has a large window and a small window for visibility of cartridge

A)Syringe barrel
B)Harpoon
C)Finger grip
D)Thumb ring
E)Breech-loading syringe
F)Bevel
G)Shaft
H)Syringe adaptor
I)Gauge
J)Diaphragm

Question 20

Match the parts of the anesthetic armamentarium with their function or main purpose.

The metal or plastic hub that attaches the needle to the syringe

A)Syringe barrel
B)Harpoon
C)Finger grip
D)Thumb ring
E)Breech-loading syringe
F)Bevel
G)Shaft
H)Syringe adaptor
I)Gauge
J)Diaphragm

Question 21

Your patient complained that the injection that you just administered was very painful as you withdrew the needle.What do you think happened to cause this pain?

A) You used a dull needle.
B) You withdrew the needle too quickly.
C) The needle had a barb from manufacturing.
D) All options listed.

Question 22

On what factor should the clinician base the choice of the needle length?

A) Type of anesthetic to be used
B) Amount of tissue that needs to be penetrated
C) Patient tolerance and comfort level
D) Angle of the bevel

Question 23

Which gauge needle is recommended for use for areas where there is a high risk for a positive aspiration?

A) 25-gauge
B) 27-gauge
C) 30-gauge
D) All options listed

Question 24

It is recommended that the clinician know the location of the uncovered needle tip at all times.Why?

A) To prevent needle injury to the patient
B) To prevent needle injury to the clinician
C) To prevent accidental needle contamination
D) All options listed

Question 25

What is an advantage of using the pressure-type syringe over the conventional type of syringe?

A) It achieves negative pressure for an aspiration without a harpoon.
B) It utilizes a lightweight wand designed for ergonomic control.
C) It administers a 0.2-mL dosage of anesthetic.
D) It is more successful than block anesthetic.

Question 26

When comparing large-gauge numbers to smaller-gauge numbers,what does the larger-gauge number of the needle mean?

A) It refers to a short needle.
B) It refers to a longer needle.
C) It refers to the smaller diameter of the needle.
D) It refers to the larger diameter of the needle.

Question 27

According to Malamed,what kinds of needles are most likely to break?

A) 30-gauge short or ultrashort needles
B) 25-gauge long needles
C) Short needles,no matter the gauge
D) Long needles,no matter the gauge

Question 28

Because of the cost of the "needleless" injection,what is an alternative cost-effective anesthetic that will produce results similar to those of the needleless injection?

A) Computer-controlled anesthetic
B) Topical anesthetic
C) Articaine
D) All options listed

Question 29

When does the needle become dull?

A) It does not become dull because it is disposable.
B) After three to four needle penetrations.
C) After five to six needle penetrations.
D) After it is sterilized.

Question 30

Which of the following is likely to increase the incident of needle breakage?

A) Bending the needle
B) Changing the direction of the insertion of the needle
C) Forcing the needle against resistance
D) All options listed

Question 31

When the anesthetic solution has expired,the pH of the anesthetic solution will decrease when the preservative sodium bisulfate is oxidized to sodium bisulfate.This can be avoided by checking the expiration date printed on the Mylar label.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true;the second statement is false.
D) The first statement is false;the second statement is true.

Question 32

In dentistry,the pressure-type syringe is used for providing anesthetic for periodontal ligament injections.It provides reliable anesthesia for one tooth in the mandible.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true;the second statement is false.
D) The first statement is false;the second statement is true.

Question 33

What does the presence of an extruded anesthetic cartridge stopper without a large bubble mean?

A) The anesthetic has expired.
B) The anesthetic has gotten too warm.
C) The anesthetic has been frozen.
D) The anesthetic cartridge has been placed in disinfecting solution.

Question 34

Patient comfort can be increased by the sharpness of the bevel.The bevel of the needle should be turned toward the bone.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true;the second statement is false.
D) The first statement is false;the second statement is true.

Question 35

What is indicated by the presence of bubbles larger than 2 mm in diameter and located within the anesthetic cartridge?

A) The anesthetic has expired.
B) The anesthetic has gotten too warm.
C) The anesthetic has been frozen.
D) The anesthetic cartridge has been placed in disinfecting solution.

Question 36

To prevent accidental needle stick exposures to the clinician,the clinician should wear thick utility gloves to protect herself.Needle stick injuries typically occur from inattention by the clinician or unexpected patient movement.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true;the second statement is false.
D) The first statement is false;the second statement is true.

Question 37

Which of the following guidelines should be followed in order to correctly store local anesthetic cartridges in the dental office?

A) Keep in a commercially available cartridge warmer
B) Keep in a refrigerator at a constant cool temperature but without freezing
C) Store at room temperature in a dark place
D) Store in disinfectant solution so they are readily available for use as needed

Question 38

What is the weakest part of the needle?

A) The shaft
B) The hub
C) The bevel
D) The smaller gauge

Question 39

Manufacturer recommendations for the routine maintenance of reusable syringes include:

A) Thorough cleaning and sterilization after use on each patient
B) Never dismantling the syringe
C) Disposing of syringes with bent harpoons
D) Lubrication of the piston after every autoclave run

Question 40

What is a possible advantage of using the computer-controlled syringe?

A) It offers precise control of anesthetic flow and pressure.
B) It has automatic aspiration.
C) The rotational needle insertion minimizes needle deflection.
D) All options listed

Question 41

Which of the following describe topical antiseptic placement?

A) Optional procedure
B) Screen patient for allergy to iodine
C) May be useful for immunosuppressed patients
D) All options listed

Question 42

Long needles are required for which of the following?

A) Inferior alveolar block injection
B) Gow-Gates mandibular block injection
C) Infraorbital block injection
D) All options listed

Question 43

Larger-gauge needles provide less tissue deflection during significant needle penetration because of the greater rigidity of larger gauge needles.

A) Both the statement and reason are correct and related.
B) Both the statement and reason are correct but NOT related.
C) The statement is correct,but the reason is NOT.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.

Question 44

Various colors are used by manufacturers to indicate the gauge and length of needles.There are no uniform guidelines for the color of needle shields.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true;the second statement is false.
D) The first statement is false;the second statement is true.

Question 45

The hub of the needle is the point where the shaft of the needle joins and secures the needle to the syringe adaptor.The needle shank should never be inserted into tissue up to the hub of the needle.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true;the second statement is false.
D) The first statement is false;the second statement is true.

Question 46

A patient presents to your office asking for a needleless injection.What anesthetic method is the patient referring to?

A) Computer-controlled anesthetic
B) Self-aspirating syringes
C) Jet injector syringes
D) Breach-loading syringes

Question 47

What is the name of a plastic,single-use or partially disposable syringe that utilizes a retractable plastic sheath that locks over the needle upon removal from tissue?

A) Plastic breech-loading syringe
B) Safety syringe
C) Jet injector syringe
D) Pressure syringe

Question 48

The cartridge silicone rubber stopper is slightly indented from the rim of the glass barrel.Cartridges that have rubber stoppers that are not indented slightly should be discarded.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true;the second statement is false.
D) The first statement is false;the second statement is true.

Question 49

Which of the following is an advantage of the plastic breech-loading aspirating syringe?

A) Lighter weight
B) Lower cost
C) Less threatening appearance
D) All options listed.

Question 50

What is the name of the component of the syringe that can easily be unscrewed and inadvertently disposed of during needle removal?

A) Finger grip
B) Needle adaptor
C) Harpoon
D) Piston

Question 51

Small bubbles (1-2 millimeters)trapped in the anesthetic cartridge are harmless because they are produced by nitrogen gas bubbled into the solution during the manufacturing process.

A) Both the statement and reason are correct and related.
B) Both the statement and reason are correct but NOT related.
C) The statement is correct,but the reason is NOT.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.

Question 52

The 25-gauge needle is safer for the patient because the smaller lumen provides ease of aspiration.

A) Both the statement and reason are correct and related.
B) Both the statement and reason are correct but NOT related.
C) The statement is correct,but the reason is NOT.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.