Question 1

Which of the following signs or symptoms may indicate the use of an excessive concentration of N₂O?

Accepted Answer

A panicky look in the client ' s eyes is a sign of excessive N₂O administration.

Question 2

All of the following are relative contraindications to the elective use of nitrous oxide-oxygen conscious sedation EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

Asthma is NOT a relative contraindication to the use of N₂O-O₂ analgesia.

Question 3

What structures are anesthetized with the AMSA (anterior middle superior alveolar) Wand injection?

Accepted Answer

The maxillary central incisor through the second premolar are anesthetized with the anterior middle superior alveolar ( AMSA ) Wand injection.

Question 4

Within seconds following a posterior superior alveolar injection, a client's face becomes distended and swollen on the injected side. The condition suspected in this situation is most likely a/an:

Accepted Answer

The MOST likely suspected condition is hematoma .

Question 5

All of the following statements about N₂O are false EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

Toxic reaction associated with too much N₂O causes hypoxia.

Question 6

If the nitrous oxide (N₂O) flow rate is 2 liters/minute (L/min) and that of O₂ is 4 L/min, what is the percentage of the N₂O ?

Accepted Answer

When the nitrous oxide (N₂O) flow rate is 2 L /min and oxygen is 4 L /min, the percentage of nitrous oxide is 33%.

Question 7

A client develops paralysis of a half of his face and inability to close his eye on the side of an attempted inferior alveolar nerve block. The MOST logical explanation is that the injection was given into the:

Accepted Answer

Injection into the parotid gland can cause tra nsient facial nerve paralysis.

Question 8

Which statement regarding the Wand PDL injection is TRUE?

Accepted Answer

The Wand PDL injection has one injection site on anterior teeth and two sites on posterior teeth . Aspiration is not required for this injection.

Question 9

Which of the following regarding the palatal-anterior superior alveolar (P-ASA) Wand injection is TRUE?

Accepted Answer

All the statements regarding the Wand P-ASA injection are true .

Question 10

What needs to be recorded in the client's treatment notes following the use of nitrous oxide-oxygen conscious sedation during nonsurgical periodontal therapy?

Accepted Answer

All are correct.

Quiz 18: Management of Pain and Anxiety

Which of the following signs or symptoms may indicate the use of an excessive concentration of N2O?