DAANCE Anesthesia Techniques 4

Question 1

When administering a Gow-Gates mandibular block, the injection target is which anatomical landmark?

Accepted Answer

Neck of the mandibular condyle

Answer

The Gow-Gates technique targets the neck of the mandibular condyle, anesthetizing the entire mandibular nerve trunk at a higher level than the conventional inferior alveolar block.

Question 2

A patient receiving IV sedation begins to show paradoxical excitement after midazolam administration. The most appropriate next step is to:

Accepted Answer

Add a small dose of opioid or consider alternative sedation agent

Answer

Paradoxical excitement with benzodiazepines is managed by adding an opioid analgesic or switching to an alternative agent, not by increasing the benzodiazepine dose.

Question 3

Which monitoring parameter is MOST critical to assess ventilation adequacy during moderate sedation?

Accepted Answer

End-tidal CO2 (capnography)

Answer

Capnography provides real-time ventilation monitoring and detects apnea or airway obstruction before hypoxia appears on pulse oximetry.

Question 4

The vasoconstrictor epinephrine is contraindicated at high concentrations in patients taking non-selective beta-blockers because it can cause:

Accepted Answer

Severe hypertension with reflex bradycardia

Answer

Epinephrine's unopposed alpha-adrenergic stimulation in beta-blocked patients causes severe hypertension with compensatory vagal bradycardia.

Question 5

During nitrous oxide administration, a patient complains of nausea. The FIRST intervention should be:

Accepted Answer

Reduce nitrous oxide concentration by 5-10%

Answer

Reducing the nitrous oxide concentration is the first step; if nausea persists, nitrous is discontinued and 100% oxygen administered.

DAANCE - Dental Anesthesia Assistant National Certification Examination Practice Test

DAANCE - Dental Anesthesia Assistant National Certification Examination Practice Test

DAANCE Anesthesia Techniques 4