In which stage of anesthesia is excitement sometimes noticed?
A. Stage I
B. Stage II
C. Stage III
D. Stage IV
B. Stage II
Which adverse reaction might a healthy patient experience during inhalation anesthesia?
A. Vertigo
B. Excitement
C. Paresthesia
D. Muscle tension
A. Vertigo
Which treatment will the dentist provide to a patient who received nitrous oxide/oxygen (N20/02) and complains of dizziness, headache, and lethargy at the end of the procedure?
A. Place a topical patch on the injection site.
B. Administer 100% 02 until symptoms subside.
C. Spray a topical anesthetic on the back of the throat.
D. Immediately terminate all nitrous oxide and oxygen
B. Administer 100% 02 until symptoms subside.
Which agent may be administered to reduce a patient's fears and relieve tension? Select all that apply.
A. Penicillin
B. General anesthesia
C. Topical anesthesia
D. Aspirin
E. Sedative
B. General anesthesia
C. Topical anesthesia
E. Sedative
Which color of cartridge band indicates a combination of mepivacaine HCI 2% with levonordefrin 1:20,000?
A. Tan
B. Red
C. Green
D. Brown
D. Brown
Which factor affects the manifestation of systemic toxicity? Select all that apply.
A. Level of pain
B. Rate of injection
C. Rate of absorption
D. Quantity of anesthesia
E. Cultural environment of the patient
B. Rate of injection
C. Rate of absorption
D. Quantity of anesthesia
Which safety measure is implemented to reduce the dental team's exposure to nitrous oxide? Select all that apply.
A. Use a scavenger system incorporated with a scavenger hood.
B. Use a nitrous oxide monitoring badge system during the process.
C. Avoid inspecting the equipment after initiating the process.
D. Discourage the patient from talking when receiving nitrous oxide.
E. Ensure that the scavenger system has an evacuation flow rate of 54 L/min.
A. Use a scavenger system incorporated with a scavenger hood.
B. Use a nitrous oxide monitoring badge system during the process.
D. Discourage the patient from talking when receiving nitrous oxide.
Which observation does the dental assistant record in the documentation when observing a patient during postoperative care after undergoing intravenous sedation anesthesia? Select all that apply.
A. Patient's tidal volume
B. Reflexes of the patient
C. Patient's medical history
D. Paresthesia changes
E. Postoperative time for patient recovery
C. Patient's medical history
E. Postoperative time for patient recovery
When assisting a dentist who is administering nitrous oxide sedation to a patient, which immediate step will a dental assistant perform after completion of the oxygenation?
A. Record the patient's baseline levels.
B. Make the patient sit up quickly.
C. Position the patient in an upright position slowly.
D. Assist in the determination of the patient's tidal volume
C. Position the patient in an upright position slowly.
In which order will the procedural steps be performed by the assistant and the dentist during the administration and monitoring of nitrous oxide/oxygen sedation?
A. Obtain and document the patient's vital signs.
B. Help the patient put on the mask and adjust the fit.
C. Place the patient in a supine position.
D. Adjust the flow of oxygen and nitrous oxide.
E. Determine the patient's tidal volume.
A. Obtain and document the patient's vital signs.
C. Place the patient in a supine position.
B. Help the patient put on the mask and adjust the fit.
E. Determine the patient's tidal volume.
D. Adjust the flow of oxygen and nitrous oxide.
Before transferring the local anesthesia syringe to the dentist, the dental assistant will perform which safety check? Select all that apply.
A. Pull back on the plunger.
B. Forcibly engage the harpoon.
C. Remove the needle guard.
D. Inspect the cartridge.
E. Determine the type of anesthetic solution to be used.
A. Pull back on the plunger.
D. Inspect the cartridge.
While providing inhalation sedation to a patient, for which reason would the dentist instruct the dental assistant to reduce the supply of N20 and administer 100% oxygen for 5 minutes?
A. To determine the tidal volume
B. To prevent postural hypotension
C. To minimize the risk of N20 exposure
D. To prevent a feeling of light-headedness
D. To prevent a feeling of light-headedness
Which work practice controls will a dental assistant have in place and use to prevent needle stick injuries?
A. Use proper personal protective equipment.
B. Transfer a contaminated needle carefully.
C. Use the two-handed scoop for a capping device.
D. Dispose of needles in a medical waste bag.
A. Use proper personal protective equipment.
The term tidal volume is used to describe which amount of air?
A. Inhaled with each breath
B. Exhaled with each breath
C. Remaining after exhalation
D. Inhaled and exhaled with each breath
D. Inhaled and exhaled with each breath
Which needle length is commonly used when giving an infiltration injection?
A. 1-inch long
B. 1-inch short
C. inch extra long
D. 5/8-inch extra short
B. 1-inch short