Question 1

Identify the labeling that indicates a higher percentage of vasoconstrictor in a dental anesthetic cartridge.

Accepted Answer

A) 1:50,000 
B) 1:75,000 
C) 1:100,000 
D) 1:150,000 
A) 1:50,000 
B) 1:75,000 
C) 1:100,000 
D) 1:150,000 A

Question 2

What is a Jenker?

Accepted Answer

A) Needle sheath for two-handed recapping 
B) Needle sheath for one-handed recapping 
C) Disposable items used in needle recapping 
D) All of the above 
A) Needle sheath for two-handed recapping 
B) Needle sheath for one-handed recapping 
C) Disposable items used in needle recapping 
D) All of the above B

Question 3

What is the relationship between the thickness of the anesthetic needle and the gauge number of the needle?

Accepted Answer

A) The larger the gauge of the needle, the thicker the needle 
B) The larger the gauge of the needle, the shorter the needle 
C) The larger the gauge of the needle, the thinner the needle 
D) The larger the gauge of the needle, the longer the needle 
A) The larger the gauge of the needle, the thicker the needle 
B) The larger the gauge of the needle, the shorter the needle 
C) The larger the gauge of the needle, the thinner the needle 
D) The larger the gauge of the needle, the longer the needle C

Question 4

Name the part of the anesthetic syringe that is inserted into the plunger.

Accepted Answer

A) Aluminum cap 
B) Protective cap 
C) Needle hub 
D) Harpoon 
A) Aluminum cap 
B) Protective cap 
C) Needle hub 
D) Harpoon

Question 5

Which needle length is commonly used to administer an injection of anesthetic on the mandibular arch for a block injection?

Accepted Answer

A) Short needle 
B) Long needle 
C) 3-inch needle 
D) 4-inch needle 
A) Short needle 
B) Long needle 
C) 3-inch needle 
D) 4-inch needle

Question 6

Of the following, which must be disposed of in a sharps container?

Accepted Answer

A) Needle 
B) Anesthetic cartridge 
C) Disposable preloaded syringe 
D) All of the above 
E) Only A and C are correct. 
A) Needle 
B) Anesthetic cartridge 
C) Disposable preloaded syringe 
D) All of the above 
E) Only A and C are correct.

Question 7

Identify the gauge that indicates the smallest diameter (thinnest) needle.

Accepted Answer

A) 25 gauge 
B) 27 gauge 
C) 28 gauge 
D) 30 gauge 
A) 25 gauge 
B) 27 gauge 
C) 28 gauge 
D) 30 gauge

Question 8

What is the purpose of a scavenger system on a nitrous oxide/oxygen sedation unit?

Accepted Answer

A) Evacuate the excess gas that the patient does not breathe. 
B) Monitor the patient's carbon dioxide levels. 
C) To monitor the patient's oxygen levels. 
D) Remove waste from the oral cavity. 
A) Evacuate the excess gas that the patient does not breathe. 
B) Monitor the patient's carbon dioxide levels. 
C) To monitor the patient's oxygen levels. 
D) Remove waste from the oral cavity.

Question 9

Which features make a syringe an aspirating syringe?

Accepted Answer

A) Harpoon 
B) Finger grip 
C) Thumb ring 
D) All of the above 
A) Harpoon 
B) Finger grip 
C) Thumb ring 
D) All of the above

Question 10

The length of a short needle used to administer a local anesthetic is inch.

Accepted Answer

A) 1/2 inch 
B) 5/8 inch 
C) 1 inch 
D) 1 1/2 inches 
E) 1 5/8 inches 
A) 1/2 inch 
B) 5/8 inch 
C) 1 inch 
D) 1 1/2 inches 
E) 1 5/8 inches

Question 11

In the administration of local anesthesia, a long needle typically is used for what type of injection?

Accepted Answer

A) Infiltration 
B) Block injection 
A) Infiltration 
B) Block injection

Question 12

What device is used to monitor how much N₂O the patient receives?

Accepted Answer

A) Scavenger system 
B) Flowmeter 
C) Nose mask 
D) N2O gauge 
A) Scavenger system 
B) Flowmeter 
C) Nose mask 
D) N2O gauge

Question 13

Following the use of nitrous oxide/oxygen sedation, what must be administered to the patient before he or she can be dismissed from the dental chair?

Accepted Answer

A) Water 
B) Oxygen 
C) Nitrogen 
D) Carbon dioxide 
A) Water 
B) Oxygen 
C) Nitrogen 
D) Carbon dioxide

Question 14

Name the part of the anesthetic cartridge into which the needle is inserted.

Accepted Answer

A) Aluminum cap with rubber diaphragm 
B) Threaded tip 
C) Cartridge 
D) Plunger 
A) Aluminum cap with rubber diaphragm 
B) Threaded tip 
C) Cartridge 
D) Plunger

Question 15

Identify the gauge that indicates the largest diameter (thickest) needle.

Accepted Answer

A) 25 gauge 
B) 27 gauge 
C) 28 gauge 
D) 30 gauge 
A) 25 gauge 
B) 27 gauge 
C) 28 gauge 
D) 30 gauge

Question 16

Which of the following is a part of the anesthetic aspirating syringe?

Accepted Answer

A) Piston 
B) Harpoon 
C) Finger grip 
D) All of the above 
A) Piston 
B) Harpoon 
C) Finger grip 
D) All of the above

Question 17

In the administration of local anesthesia, a short needle typically is used for what type of injection?

Accepted Answer

A) Infiltration 
B) Block injection 
A) Infiltration 
B) Block injection

Question 18

The length of a long needle used to administer a local anesthetic is

Accepted Answer

A) 1/2 inch. 
B) 1 inch. 
C) 1 1/2 inches. 
D) 1 5/8 inches. 
E) 2 1/2 inches. 
A) 1/2 inch. 
B) 1 inch. 
C) 1 1/2 inches. 
D) 1 5/8 inches. 
E) 2 1/2 inches.

Question 19

Which color tank is used for nitrous oxide?

Accepted Answer

A) Red 
B) Blue 
C) Green 
D) White 
A) Red 
B) Blue 
C) Green 
D) White

Question 20

What is an advantage of using a Wand?

Accepted Answer

A) Ergonomic 
B) Computer-controlled 
C) Increased tactile control 
D) All of the above 
A) Ergonomic 
B) Computer-controlled 
C) Increased tactile control 
D) All of the above

Exam 3: Local Anesthetic Syringecomponents and Nitrous Oxide Sedation

Identify the labeling that indicates a higher percentage of vasoconstrictor in a dental anesthetic cartridge.

What is a Jenker?

What is the relationship between the thickness of the anesthetic needle and the gauge number of the needle?

Name the part of the anesthetic syringe that is inserted into the plunger.

Which needle length is commonly used to administer an injection of anesthetic on the mandibular arch for a block injection?

Of the following, which must be disposed of in a sharps container?

Identify the gauge that indicates the smallest diameter (thinnest) needle.

What is the purpose of a scavenger system on a nitrous oxide/oxygen sedation unit?

Which features make a syringe an aspirating syringe?

The length of a short needle used to administer a local anesthetic is inch.

In the administration of local anesthesia, a long needle typically is used for what type of injection?

What device is used to monitor how much N₂O the patient receives?

Following the use of nitrous oxide/oxygen sedation, what must be administered to the patient before he or she can be dismissed from the dental chair?

Name the part of the anesthetic cartridge into which the needle is inserted.

Identify the gauge that indicates the largest diameter (thickest) needle.

Which of the following is a part of the anesthetic aspirating syringe?

In the administration of local anesthesia, a short needle typically is used for what type of injection?

The length of a long needle used to administer a local anesthetic is

Which color tank is used for nitrous oxide?

What is an advantage of using a Wand?

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