studentRDH local anesthesia exam questions and answers
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Course
Local Anesthesia
Institution
Local Anesthesia
what injection is needed to anesthetize the palatal tissues around the left maxillary molar?
a. nasopalatine nerve block
b. greater palatine nerve block
c. PSA nerve block
d. buccal nerve block
b. greater palatine nerve block
keyword: palatal tissues
local anesthetics mainly:
a. dec...
studentRDH local
anesthesia exam
questions and answers
what injection is needed to anesthetize the palatal
tissues around the left maxillary molar?
a. nasopalatine nerve block
b. greater palatine nerve block
c. PSA nerve block
d. buccal nerve block - answer b. greater palatine
nerve block
keyword: palatal tissues
local anesthetics mainly:
a. decrease the rate of depolarization
b. lower the threshold potential
c. accelerate the rate of repolarization
d. all of the above - answer a. decrease the rate of
depolarization
,which of the following anesthetics is
contraindicated for patients with COPD?
a. lidocaine
b. bupivicaine
c. prilocaine
d. mepivicaine - answer c. prilocaine
reason: prilocaine is metabolized in the lungs and
liver
which of the following injections is needed to
anesthetize the maxillary posterior teeth?
a. inferior alveolar nerve block
b. posterior superior alveolar nerve block
c. middle superior alveolar nerve block
d. greater palatine nerve block - answer b.
posterior superior alveolar nerve block
during aspiration, you see blood rapidly coming
through the dental cartridge. what should the next
step be in this situation?
a. turn the syringe 45 degrees and aspirate again
b. pull back the needle and re-insert it
c. remove the needle and replace the cartridge
, d. no action is needed - answer c. remove the
needle and replace the cartridge
keyword: rapidly
which type of injection most efficiently provides
hemostasis?
a. nerve block
b. field block
c. infiltration
d. all of the above - answer c. infiltration
keyword: hemostasis. field/nerve blocks are not as
efficient at providing hemostasis
a hematoma quickly appeared after a posterior
superior alveolar nerve block. which of the
following may have caused the hematoma?
a. the solution was deposited into a blood vessel
b. the needle penetrated the parotid gland
c. the needle penetrated the pterygoid plexus of
veins
d. the needle irritated the muscles of the cheek -
answer c. the needle penetrated the pterygoid
plexus of veins
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