Deck 11: Basic Injection Techniques

Question 1

The self-sheathing anesthetic needle is an engineering design that reduces the clinician's exposures to blood and other potentially infectious material.

Answer 1

True

Question 2

What can the clinician do to prevent an emergency situation from occurring while administering local anesthesia?

A) Provide effective communication
B) Offer psychological support
C) Do a thorough patient assessment
D) All of the above

Answer 2

All of the above

Question 3

Both field blocks and nerve blocks are injections in which the local anesthetic is deposited near large terminal nerve branches.

Answer 3

True

Question 4

If two quadrants are to be completed in a single visit,anesthesia should be administered to the upper right and left quadrants or to the lower right and left quadrants.

Question 5

Informed consent is when the patient gives the clinician permission to perform the dental procedure.

Question 6

To provide safe and comfortable injections,the clinician should administer the anesthetic solution quickly.

Question 7

The dental hygienist should practice the local anesthetic technique until it becomes routine.

Question 8

What can the clinician safely do if a patient is experiencing excessive bleeding while undergoing root planing?

A) Administer more anesthesia plus vasoconstrictor
B) Infiltrate epinephrine 1:50,000 in small amounts directly into area of bleeding
C) Use a larger volume of anesthetic
D) Reschedule the patient for another appointment after some tissue healing

Question 9

What is the main advantage of the nerve block over other types of anesthesia?

A) It can be administered at a distance from the area of treatment.
B) It is administered in the vicinity of a nerve trunk.
C) Provides profound pulpal and soft tissue anesthesia over a larger area.
D) It has less potential for piercing the artery or vein that accompanies the nerve.

Question 10

Suggested safety controls for needles and other sharps include placing used disposable syringes and needles,scalpel blades,and other sharp items in appropriate puncture-resistant containers.

Question 11

Name the four anesthetic administration techniques.

Question 12

What is the correct dental term for the presence of a clear air bubble,or no return after definite movement backward of the rubber stopper?

A) Positive aspiration
B) Negative aspiration
C) Aspiration
D) All of the above

Question 13

Needles should be carefully bent before disposing of them in the sharps container.

Question 14

Nerve block anesthesia provides profound anesthesia over a larger area with fewer injections needed.

Question 15

Which of the following are considerations the clinician must respect when choosing the appropriate administration technique?

A) Area to be treated
B) Duration of anesthesia needed
C) Comfort needs of the patient
D) All of the above

Question 16

If the blood of a positive aspiration does not completely fill the cartridge,the clinician can slightly reposition the needle and attempt a second aspiration.

Question 17

If the harpoon disengages during an aspiration,the clinician must remove the needle from the tissue and re-embed the harpoon in to the rubber stopper.

Question 18

List the specific local anesthetic information that should be included in the chart documentation.

Question 19

Successful delivery of local anesthetic agents depends on which of the following?

A) Effective patient management
B) Safe administration of the drug
C) Patient assessment
D) All of the above

Question 20

The incidence of occupational exposures is reduced for the experienced clinician.

Question 21

Why is the pterygoid venous plexus an area of concern when administering the PSA?

A) It is located so far distally
B) It is a highly vascular area
C) It has major nerve innervations
D) All of the above

Question 22

Why is the aspiration a necessary part of administering local anesthesia?

A) To ensure that the needle has not entered a blood vessel
B) To dramatically decrease the incidence of an intravascular injection
C) a and b
D) For patient comfort

Question 23

Cartridges of local anesthetics contain 1.8 mL of solution-except articaine,which contains 1.7 mL of solution.How fast should articaine be injected?

A) At a rate of 1.7 mL per minute
B) At a rate of 1.8 mL per minute
C) At a rate of 1.8 mL per 2 minutes
D) At the rate that is comfortable for the patient

Question 24

A child can grant informed consent for dental work.The written agreement of the care plan becomes a legal contract between the patient and the dental hygienist.

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 25

Why should the clinician avoid administering local anesthetics to both the mandibular right and left quadrants during a single treatment?

A) To prevent the patient from self-mutilating his/her mouth
B) To prevent toxicity due to the administration of too much local anesthetics
C) To prevent the inability of the patient to control his/her mandible
D) All of the above

Question 26

What term describes the injection site where the bevel of the needle is covered with tissue?

A) Depth of needle penetration
B) Needle insertion point
C) Deposit location
D) None of the above

Question 27

When administering local anesthesia to the maxillary arch for extensive root planing procedures,what is the correct order of the injections?

A) PSA, MSA, then ASa.
B) ASA, MSA, then PSA.
C) Infraorbital, then PSA.
D) Order does not matter and patient can dictate what makes him most comfortable.

Question 28

What is a common mistake that beginners tend to make when first learning to give local anesthesia,especially if they do not have a firm fulcrum?

A) Allowing the thumb ring to slip down to the bottom of the thumb, making it difficult to achieve full range of backward motion
B) Not performing the aspiration step at the appropriate intervals
C) Overexaggerating the pulling back motion of the thumb ring, pulling the needle away from the proper depth of penetration.
D) Allowing the patient to dictate the placement of the site of the injection

Question 29

Why is the slow depositing of the anesthetic solution important?

A) It is a safety factor
B) It prevents tearing of tissue
C) It improves patient comfort
D) All of the above

Question 30

Local anesthesia is best administered by quadrants or sextants.It is an effective patient management strategy.

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 31

What should the clinician do while waiting for local anesthetic to take effect for her patient?

A) Clean the other operatory
B) Bag instruments in the sterilization area
C) Take a much-needed break
D) Observe the patient for possible signs of an adverse reaction

Question 32

Which of the following incidents could result in a false negative aspiration?

A) A needle that is butted up against the blood vessel wall
B) A needle within a blood vessel
C) A small amount of blood entering the anesthetic cartridge
D) Failing to aspirate twice

Question 33

Best practices to alleviate a patient's anxiety about local anesthetic include:

A) Show, tell, and explain the workings of the syringe and needle
B) Communication
C) Silence while administering the anesthetic
D) Music playing in the background