16 Questions
What is the primary purpose of topical anaesthetics?
To numb a specific area of the body for minor procedures
What is the primary mechanism of action for local anaesthetic agents?
Inhibiting sodium channels at the nerve endings
What is the main difference between local anaesthesia and general anaesthesia?
Local anaesthesia affects a specific area of the body, while general anaesthesia affects the entire body
What is the main reason local anaesthetics are primarily used for minor outpatient procedures?
Because their effects are short-lived
What is the mechanism by which local anaesthetics prevent pain?
By blocking nerve impulse conduction near their site of administration
What is the primary advantage of using nerve blocks over local injections?
Nerve blocks are more targeted to the specific area of the body
What is the primary site of action for anaesthetic agents during medical or surgical procedures?
Sensory nerves at the site of procedure
Which of the following is NOT a type of anaesthesia?
Surgical anaesthesia
What is the primary effect of local anaesthesia on nerve cell membrane permeability?
Decreased permeability to sodium ions
What is the primary role of local anaesthesia in medical procedures?
To prevent pain during medical procedures
What is the primary difference between local injection and nerve block anaesthesia?
Site of injection
What is the primary advantage of using topical anaesthetics?
They can be applied directly to the skin or mucus membranes
Which of the following anaesthetic agents is NOT a member of the amides group?
Cocaine
What is the primary reason why sedatives are used in anaesthesia?
To relieve anxiety and pain
What is the primary disadvantage of using local anaesthesia?
It is primarily used for minor outpatient procedures
What is the primary route of administration for inhalation anaesthesia?
Inhalation
Learn about anaesthesia, its definition, routes of administration, and types. Understand how anaesthetic agents work to prevent pain during medical or surgical procedures.
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