Question 1

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.

Accepted Answer

A) True 
 B)False  False

Question 2

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.

Accepted Answer

A) True 
 B)False  True

Question 3

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

Accepted Answer

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 D

Question 4

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

Accepted Answer

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

Question 5

If repeated positive aspirations are observed at the same injection site,it may be necessary for the dental hygienist to consider postponing treatment because repeated penetrations in the same area can cause bleeding at the target location and increase risk of hematoma,trismus,postoperative pain,and infection.

Accepted Answer

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 6

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

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

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

Question 8

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

Accepted Answer

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 9

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?

Accepted Answer

A)   Positive aspiration
B)   Negative aspiration
C)   Aspiration
D)   All options listed

Question 10

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

Accepted Answer

The answer of List the specific local anesthetic information that...

Question 11

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

Accepted Answer

A)   To prevent patients from self-mutilating their mouths
B)   To prevent toxicity due to the administration of too much local anesthetic
C)   To prevent the inability of the patient to control his/her mandible
D)   All options listed

Question 12

When infection is present,it is recommended to administer nerve blocks away from the area of infection because the acidic nature of the anesthetic deposited into acidic tissue from an infection decreases the ability of the anesthetic to readily dissociate for nerve penetration.

Accepted Answer

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 13

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

Accepted Answer

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

Question 14

Which of the following are benefits of taut tissue retraction at the penetration site?

Accepted Answer

A)   Increased visibility
B)   Easier needle insertion
C)   Less traumatic needle insertion
D)   All options listed

Question 15

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

Accepted Answer

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

Question 16

When half-mouth treatment is planned,the inferior alveolar and buccal blocks are given first,then the maxillary facial,and then palatal injections follow with instrumenting proceeding first on the maxillary arch.This allows time for the entire mandibular arch to become completely anesthetized.

Accepted Answer

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 17

Each of the following is true regarding establishing a fulcrum while administering local anesthesia EXCEPT one.Which one is the EXCEPTION?

Accepted Answer

A)   A fulcrum must always be used
B)   Use of the patient's arm to rest the syringe-holding arm is acceptable
C)   If finger placement is not possible,arm-to-body support is acceptable
D)   Extraoral fulcrums are acceptable

Question 18

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?

Accepted Answer

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 19

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.

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

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

Exam 11: Basic Injection Techniques

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.

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.

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

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

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

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

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

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?

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

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

When infection is present,it is recommended to administer nerve blocks away from the area of infection because the acidic nature of the anesthetic deposited into acidic tissue from an infection decreases the ability of the anesthetic to readily dissociate for nerve penetration.

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

Which of the following are benefits of taut tissue retraction at the penetration site?

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

When half-mouth treatment is planned,the inferior alveolar and buccal blocks are given first,then the maxillary facial,and then palatal injections follow with instrumenting proceeding first on the maxillary arch.This allows time for the entire mandibular arch to become completely anesthetized.

Each of the following is true regarding establishing a fulcrum while administering local anesthesia EXCEPT one.Which one is the EXCEPTION?

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?

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.

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