OMSA Exam #2 Questions With
Verified Answers
/. Why do you pull back on the plunger of a local anesthetic before injecting? - Answer-
✅Helps avoid injecting local anesthetic directly into a blood vessel
/.Why are local anesthetics combined with vasoconstrictors? - Answer-✅To slow uptake
and reduce toxicity, to increase duration, and decrease bleeding at surgical site
/.What is the most common side effect of propofol (Diprivan)? - Answer-✅Decreases
blood pressure
/.What are two of the most common vasoconstrictors added to local anesthetics? -
Answer-✅epinephrine and levonordefrin
/.What is a long acting anesthetic? - Answer-✅bupivicaine (Marcaine)
/.What is the suggested maximum dose of lidocaine for a normal adult? - Answer-✅13
carpules of 2% lidocaine with 1 : 100,000 epinephrine
/.What is a common error in taking an accurate blood pressure? - Answer-✅Using a
small cuff on a large patient
/.What is nitrous oxide normally used for in the OMS office? - Answer-✅an analgesic
/.What is the main reason that 100% oxygen is given after nitrous oxide? - Answer-✅to
prevent diffusion hypoxia
/.Local anesthetics do not eliminate the sensation of what? - Answer-✅Pressure
/.What is the most useful property of narcotic analgesics such as Fentanyl and
Demerol? - Answer-✅Analgesia (pain relief)
/.What is the reversal agent for narcotic analgesics? - Answer-✅Narcan (naloxone)
/.What is the primary analgesia for an OS patient under sedation? - Answer-✅local
anesthesia
/.What is the most important and possibly life threatening side effect of narcotic
analgesics? - Answer-✅Respiratory depression
Verified Answers
/. Why do you pull back on the plunger of a local anesthetic before injecting? - Answer-
✅Helps avoid injecting local anesthetic directly into a blood vessel
/.Why are local anesthetics combined with vasoconstrictors? - Answer-✅To slow uptake
and reduce toxicity, to increase duration, and decrease bleeding at surgical site
/.What is the most common side effect of propofol (Diprivan)? - Answer-✅Decreases
blood pressure
/.What are two of the most common vasoconstrictors added to local anesthetics? -
Answer-✅epinephrine and levonordefrin
/.What is a long acting anesthetic? - Answer-✅bupivicaine (Marcaine)
/.What is the suggested maximum dose of lidocaine for a normal adult? - Answer-✅13
carpules of 2% lidocaine with 1 : 100,000 epinephrine
/.What is a common error in taking an accurate blood pressure? - Answer-✅Using a
small cuff on a large patient
/.What is nitrous oxide normally used for in the OMS office? - Answer-✅an analgesic
/.What is the main reason that 100% oxygen is given after nitrous oxide? - Answer-✅to
prevent diffusion hypoxia
/.Local anesthetics do not eliminate the sensation of what? - Answer-✅Pressure
/.What is the most useful property of narcotic analgesics such as Fentanyl and
Demerol? - Answer-✅Analgesia (pain relief)
/.What is the reversal agent for narcotic analgesics? - Answer-✅Narcan (naloxone)
/.What is the primary analgesia for an OS patient under sedation? - Answer-✅local
anesthesia
/.What is the most important and possibly life threatening side effect of narcotic
analgesics? - Answer-✅Respiratory depression
