Podcast
Questions and Answers
Which type of nerve fibers are preferentially blocked by local anesthetics?
Which type of nerve fibers are preferentially blocked by local anesthetics?
- Motor nerves
- Small myelinated axons (correct)
- Large myelinated axons
- Non-myelinated axons
In nerve bundles, which fibers are affected first by local anesthetics?
In nerve bundles, which fibers are affected first by local anesthetics?
- Motor nerves
- Circumferential fibers (correct)
- Large myelinated axons
- Sensory fibers
What factor affects the absorption of local anesthetics?
What factor affects the absorption of local anesthetics?
- pH level
- Vasoactive drugs (correct)
- Drug metabolism
- Body temperature
Which type of local anesthetics are metabolized by plasma cholinesterases?
Which type of local anesthetics are metabolized by plasma cholinesterases?
What is the main hazard for local anesthetics clinically?
What is the main hazard for local anesthetics clinically?
Which adverse drug reaction is associated with the central nervous system due to high concentrations of local anesthetics?
Which adverse drug reaction is associated with the central nervous system due to high concentrations of local anesthetics?
Which system experiences temporary paralysis due to local anesthetic toxicity?
Which system experiences temporary paralysis due to local anesthetic toxicity?
What potential side effect is associated with the clinical use of local anesthetics?
What potential side effect is associated with the clinical use of local anesthetics?
What is the purpose of combining adrenaline with local anesthetics?
What is the purpose of combining adrenaline with local anesthetics?
Which group of local anaesthetics is more stable due to the absence of basic amine groups?
Which group of local anaesthetics is more stable due to the absence of basic amine groups?
Which local anaesthetic is an unusual case with very low solubility and is used for dressing painful skin ulcers?
Which local anaesthetic is an unusual case with very low solubility and is used for dressing painful skin ulcers?
Which of the following local anaesthetics was the first synthetic ester local anaesthetic?
Which of the following local anaesthetics was the first synthetic ester local anaesthetic?
What distinguishes amides from esters in terms of stability?
What distinguishes amides from esters in terms of stability?
Which local anaesthetic was the first 'amide' type local anaesthetic developed?
Which local anaesthetic was the first 'amide' type local anaesthetic developed?
Which type of local anaesthetic has a structure consisting of an aromatic group, ester or amide group, and an amine group?
Which type of local anaesthetic has a structure consisting of an aromatic group, ester or amide group, and an amine group?
'Benzocaine' is an example of which type of local anaesthetic based on its chemistry?
'Benzocaine' is an example of which type of local anaesthetic based on its chemistry?
'Tetracaine' belongs to which classification of local anaesthetics based on its chemical structure?
'Tetracaine' belongs to which classification of local anaesthetics based on its chemical structure?
'Procaine' was the first synthetic local anaesthetic belonging to which category?
'Procaine' was the first synthetic local anaesthetic belonging to which category?
'Lidocaine' represents which chemical type of local anaesthetics based on its structure?
'Lidocaine' represents which chemical type of local anaesthetics based on its structure?
