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Questions and Answers
Which type of neuromuscular blocker is curare?
Which type of neuromuscular blocker is curare?
- Reversal blocker
- Depolarizing blocker
- Fasciculating blocker
- Competitive blocker (correct)
What is the effect of succinylcholine on muscle paralysis?
What is the effect of succinylcholine on muscle paralysis?
- Results in cessation of respiration (apnea) (correct)
- Leads to immediate recovery of muscles in the limbs and trunk
- Has no effect on muscle paralysis
- Causes rapid relaxation of intercostal muscles and diaphragm
What is the effect of newer agents on the central nervous system (CNS)?
What is the effect of newer agents on the central nervous system (CNS)?
- No effect on CNS observed (correct)
- Induces hallucinations and delusions
- Leads to enhanced cognitive function
- Causes significant CNS depression
What is the clinical use of competitive neuromuscular blockers?
What is the clinical use of competitive neuromuscular blockers?
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What is the duration of action of succinylcholine?
What is the duration of action of succinylcholine?
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Study Notes
Neuromuscular Blockers
- Curare is a depolarizing neuromuscular blocker.
Succinylcholine
- Succinylcholine is a depolarizing neuromuscular blocker that causes muscle paralysis by initial contraction followed by flaccid paralysis.
- The duration of action of succinylcholine is short, typically 4-6 minutes.
Newer Agents
- The effect of newer agents on the central nervous system (CNS) is minimal or negligible.
Clinical Use of Competitive Neuromuscular Blockers
- Competitive neuromuscular blockers are used clinically to produce muscle relaxation during anesthesia, particularly for surgical procedures that require muscle relaxation.
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