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Student RDH Local Anesthesia Exam Latest Update
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Student RDH Local Anesthesia ExamLatest Update
Which of the following symptoms may be caused by paresthesia?
a. Numbness
b. Pain
c. Swelling
Answer: D. All of the aforementioned.
Paresthesia is frequently experienced with anesthetics with high concentrations
(prilocaine and articaine).
Which of the following medicines is classified as pregnancy category B?
a. Carbocaine
b. Marcaine
C. Citanest.
d. Septocaine - Answer C: Citanest
Citanest (Prilocaine) and Xylocaine (Lidocaine) are pregnancy-B
Carbocaine, marcaine, and septocaine are pregnancy category C.
Which of the following does not help to relieve the symptoms of trismus?
a. Apply heat for 20 minutes.
,b. Use a warm saline rinse.
c. Use muscle relaxants.
d. Use oraverse - ANSWER D. Use Oraverse.
Oraverse increases the volume of blood flow to the target location, allowing tissue
to heal more quickly. Used to shorten the duration of anesthesia, not trismus.
What's the most prevalent cause of needle breakage?
a. Bending of the needle
b. Sudden PT movement
c. strong contact between bones
d. Using tiny needles - ANSWER B. Sudden PT movement
Which of the following is an early indication of a local anesthetic overdose?
a. drowsiness
b. Loss of consciousness
c. Respiratory arrest
d. Twitching - ANSWER D. twitching
What can a doctor do to manage a hematoma?
a. Apply heat for 20 minutes.
,b. Apply ice for 2 minutes.
c. Alternate ice with heat.
d. All of the aforementioned - ANSWER B. Apply ice for 2 minutes.
Direct pressure and ice for 2 minutes. Can use heat the next day.
If a patient is allergic to red wine, which of the following measures should be
followed?
a. Inject less anesthetic.
b. Inject drugs more slowly.
c. Aspirate three times before the injection.
d. Avoid using local anesthetics on vasoconstrictors - ANSWER d. Avoid using
local anesthetics on vasoconstrictors.
What causes paresthesia?
a. strong contact between the needle and the bone.
b. bleeding surrounding the nerve
c. Change of needle direction
d. Bending of the needle - ANSWER B. Bleeding surrounding the nerve
Can local anesthetics used to prepare for endoscopy treatments occasionally fail?
What might be the reason?
a. Excessive bleeding on the spot
b. The patient is anxious.
c. The patient is having an overdose.
, d. The pH of the tissue has been reduced - ANSWER D. The pH of the tissue has
been reduced.
Which of the following are the most common emergency conditions treated with
local anesthetic injections?
a. Heart attack.
b. Breathing problems
c. syncope
d. Anaphylaxis - Answer: c. syncope
Which of the following tips can assist a patient avoid soft tissue damage after local
anesthesia?
a. Do not consume hot beverages for four hours.
b. Do not eat for four hours.
c. Maintain a cotton roll linked to floss in the mucobuccal fold.
d. All of the aforementioned - ANSWER D. All of the aforementioned.
Which of the following local anesthetics should not be used if you have
methemoglobinemia?
a. prilocaine
b. mepivacaine
c. procaine
d. Septocaine - A. prilocaine
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