Neuromuscular blocking agents| Anesthesia Basics

By: Prof. Dr. Fazal Rehman Shamil | Last updated: September 13, 2024

Which neurotransmitter is the main target of neuromuscular blocking drugs in order to cause muscle relaxation?

 

  1. A) Cholinergic acetamide
  2. B) GABA

(C) Dopamine

  1. D) A dopamine

Answer: Acetylcholine

 

What is the main clinical application of neuromuscular blocking agents?

 

  1. A) Creating anesthesia
  2. B) Sustaining anesthesia
  3. C) Relaxing muscles while performing surgery
  4. D) Pain relief

Answer: C) Relaxing muscles while performing surgery

 

Which neuromuscular blocking agent causes long-term depolarization of muscles ?

 

A Vecuronium

  1. B) Rocuronium A
  2. C) Choline succinylcholine
  3. D) Aquarium

Answer: C) Choline succinylcholine

 

How do depolarizing neuromuscular blocking drugs, such as succinylcholine, work?

 

  1. A) Acetylcholinesterase Inhibition
  2. B) Acetylcholine receptor activation
  3. C) Preventing the release of acetylcholine
  4. D) Extended binding to cholinergic receptors

Answer: B) Acetylcholine receptor activation

 

Because of its quick onset and brief duration of action, which neuromuscular blocking drug is frequently utilized during endotracheal intubation?

  1. Rocuronium
  2. B) Vecuronium
  3. C) Choline succinylcholine
  4. D) Aquarium

Answer: C) Choline succinylcholine

 

What is the main drawback of neuromuscular blocking drugs that depolarize, such as succinylcholine?

 

  1. A) Extended duration of action
  2. B) Potential for histamine release
  3. C) Limited alternatives for reversal
  4. D) Some patient populations exhibit resistance.

Answer: C) Limited alternatives for reversal

 

Which neuromuscular blocking drug, because of its intermediate duration of action, is frequently chosen for lengthy surgical procedures?

 

  1. A) Isoproterone
  2. B) Atracurium,
  3. C) Vecuronium,

D)Succinylcholine,

Answer  A) Isoproterone

 

What is the main mode of action of drugs that prevent neuromuscular depolarization?

 

  1. A) Acetylcholine receptor stimulation
  2. B) Acetylcholinesterase Inhibition
  3. C) Acetylcholine release blockade
  4. D) At acetylcholine receptors, competitive inhibition

Answer D   At acetylcholine receptors, competitive inhibition

 

Which element affects how long non-depolarizing neuromuscular blocking drugs last?

 

  1. A) The dose that was given
  2. B) Hepatic metabolism
  3. C) Body distribution
  4. D) Excretion from the kidneys

Answer: B) Hepatic metabolism

 

What is the main drawback of succinylcholine use in people who have specific medical conditions?

 

  1. A) Reactions to allergens
  2. B) Extended duration of effect C) Danger of cancerous hyperthermia
  3. D) Hyperkalemia.

Answer  D) Hyperkalemia.

 

In the intensive care unit, what kind of neuromuscular blocking drug is frequently used to relax muscles during mechanical ventilation?

 

  1. A) Rocuronium
  2. B) Atracurium,
  3. C) Vecuronium
  4. D) Succinylcholine,

Answer  A) Rocuronium

 

What is the main benefit of rocuronium for muscular relaxation as opposed to succinylcholine?

 

  1. A) Quick start of action
  2. B) Brief activity duration
  3. C) Hyperkalemia is not a concern.
  4. D) The action’s depolarizing process

Answer   C) Hyperkalemia is not a concern.

 

What class of medication is most frequently used to reverse the effects of non-depolarizing neuromuscular blocking agents?

 

  1. A) Medicines called benzodiazepines
  2. B) Substances called Opioids
  3. C) Inhibitors of acetylcholinesterase
  4. D) Agonistes alpha-adrenergic
  5. C) Inhibitors of acetylcholinesterase

 

Because it is eliminated by the organs independently, which neuromuscular blocking medication is frequently prescribed to patients with hepatic or renal dysfunction?

 

  1. A) Succinylcholine
  2. B) Vecuronium
  3. C) Rocuronium
  4. D) Aquarium

Answer, D) Atracurium

 

What is the main function of acetylcholinesterase inhibitors in counteracting the effects of blocking drugs that are neuromuscular?

 

  1. A) Extending the relaxation of muscles
  2. B) Preventing the release of acetylcholine
  3. C) Isolating acetylcholine receptors
  4. D) Raising the neuromuscular junction’s acetylcholine concentrations

Answer: Raising the neuromuscular junction’s acetylcholine concentrations

Which neuromuscular blocking medication is metabolized via Hoffman elimination and has a benzylisoquinolinium structure?

 

  1. A) Succinylcholine
  2. B) Vecuronium
  3. C) Rocuronium
  4. D) Aquarium

Answer, D) Atracurium

 

What is the main benefit of neuromuscular blocking drugs in surgical procedures?

 

  1. A) Pain relief
  2. B) Relaxing of the muscles
  3. C) Sedation
  4. D) Elevation of blood pressure

Answer: B) Relaxation of muscles

 

Which neuromuscular blocking medication is categorized as a non-depolarizing, long-acting medication that is frequently utilized during lengthy surgical procedures?

 

  1. A) Isoproterone
  2. B) Succinylcholine
  3. C) Vecuronium
  4. D) Isopronium

Answer: D) Ipetronium

 

What is the main drawback of succinylcholine use in people who have specific medical conditions?

 

  1. A) Reactions to allergens
  2. B) Extended duration of effect
  3. C) Danger of cancerous hyperthermia
  4. D) Elevated potassium

Answer: D) Elevated potassium

 

Topic-wise Anesthesia MCQs

  1. Anesthesiology MCQs
  2. Anesthesia Basics:
  3. Anesthesia Agents MCQs:
  4. Airway Management:
  5. Anesthesia Monitoring MCQs – Anesthesia:
  6. Regional Anesthesia MCQs :
  7. Patient Assessment and Optimization:
  8. Anesthesia Delivery Systems MCQs:
  9. Pediatric Anesthesia MCQs :
  10. Obstetric Anesthesia MCQs – Anesthesia:
  11. Anesthesia Complications and Emergencies MCQs:
  12. Post-Anesthesia Care MCQs:
  13. Geriatric Anesthesia:
  14. Ethics and Professionalism in Anesthesia MCQs:
  15. Simulation and Skills Training MCQs :