The mechanism of action of local anesthetics is ?
It inhibits K+ outflow and depolarization of nerve cell membranes.
It inhibits Na+ inflow and depolarization of nerve cell membranes.
It induces Cl- inflow and hyperpolarization of nerve cell membranes.
It inhibits Ca2+ inflow and depolarization of nerve cell membranes.
The anesthetic sequence of local anesthetics starts with the :
Autonomic
Sensation of pressure
Sensation of pain and temperature
Motor
Which of the following is NOT the main purpose of local anaesthetics paired with adrenaline?
Slowing drug absorption
Reducing systemic toxicity
Prolonging the duration of local anesthesia
Dilating local blood vessels and enhance the action of the drug
The most dangerous complication of epidural block is
Total spinal anaesthesia
Drop in blood pressure
Respiratory depression
Bleeding in the epidural space
35 years old female underwent lipomectomy. 5min after infiltration anesthesia, the patient became restless, polypnea and convulsions. The most likely diagnosis
Total spinal anaesthesia
Toxic reaction to local anesthetics
Cerebrovascular accident
Acute myocardial infarction