- Which of the following is a commonly used inhalational anesthetic?
- A) Isoflurane
- B) Propofol
- C) Fentanyl
- D) Ketamine
Answer: A
- What is the mechanism of action of local anesthetics?
- A) Inhibition of acetylcholine release
- B) Blockade of sodium channels
- C) Activation of opioid receptors
- D) Inhibition of NMDA receptors
Answer: B
- Which of the following is used as a reversal agent for opioid overdose?
- A) Naloxone
- B) Neostigmine
- C) Sugammadex
- D) Atropine
Answer: A
- Which muscle relaxant is depolarizing?
- A) Succinylcholine
- B) Rocuronium
- C) Vecuronium
- D) Atracurium
Answer: A
- Which of the following drugs is a short-acting intravenous anesthetic?
- A) Propofol
- B) Isoflurane
- C) Desflurane
- D) Nitrous oxide
Answer: A
- Which inhalational anesthetic has the fastest onset and recovery?
- A) Isoflurane
- B) Sevoflurane
- C) Desflurane
- D) Halothane
Answer: C
- Which of the following agents is most likely to cause malignant hyperthermia?
- A) Nitrous oxide
- B) Desflurane
- C) Succinylcholine
- D) Midazolam
Answer: C
- Which of the following drugs is commonly used for conscious sedation?
- A) Midazolam
- B) Ketamine
- C) Etomidate
- D) Halothane
Answer: A
- The maximum safe dose of lidocaine without epinephrine is:
- A) 2 mg/kg
- B) 5 mg/kg
- C) 7 mg/kg
- D) 10 mg/kg
Answer: B
- Which drug is used to reverse the effects of non-depolarizing muscle relaxants?
- A) Neostigmine
- B) Sugammadex
- C) Naloxone
- D) Flumazenil
Answer: A
- The main advantage of using sevoflurane in pediatric anesthesia is:
- A) Lower cost
- B) Rapid induction
- C) Less postoperative nausea
- D) Long-lasting effects
Answer: B
- Which of the following can cause an increase in intracranial pressure?
- A) Propofol
- B) Ketamine
- C) Etomidate
- D) Midazolam
Answer: B
- Which of the following is an opioid agonist-antagonist?
- A) Fentanyl
- B) Morphine
- C) Buprenorphine
- D) Methadone
Answer: C
- The use of nitrous oxide should be avoided in:
- A) Pregnancy
- B) Pneumothorax
- C) Asthma
- D) Hypertension
Answer: B
- The primary site of action of propofol is:
- A) GABA receptors
- B) NMDA receptors
- C) Opioid receptors
- D) Serotonin receptors
Answer: A
- Which of the following is a non-depolarizing neuromuscular blocking agent?
- A) Succinylcholine
- B) Vecuronium
- C) Ketamine
- D) Midazolam
Answer: B
- Which of the following anesthetics is associated with adrenal suppression?
- A) Propofol
- B) Ketamine
- C) Etomidate
- D) Midazolam
Answer: C
- Which of the following is the safest option for anesthesia in patients with a history of malignant hyperthermia?
- A) Sevoflurane
- B) Propofol
- C) Succinylcholine
- D) Isoflurane
Answer: B
- Which of the following agents can cause tachycardia and hypertension during induction?
- A) Ketamine
- B) Propofol
- C) Midazolam
- D) Etomidate
Answer: A
- What is the mechanism of action of succinylcholine?
- A) Blockade of sodium channels
- B) Depolarization of neuromuscular junction
- C) Competitive inhibition of acetylcholine
- D) Activation of NMDA receptors
Answer: B
- Which of the following opioids is the most potent?
- A) Morphine
- B) Fentanyl
- C) Codeine
- D) Hydromorphone
Answer: B
- Which of the following is a contraindication for spinal anesthesia?
- A) Hypertension
- B) Increased intracranial pressure
- C) Asthma
- D) Diabetes
Answer: B
- Which of the following is an advantage of epidural over spinal anesthesia?
- A) Faster onset
- B) Ability to titrate dose
- C) Less risk of hypotension
- D) Longer duration of action
Answer: B
- Which of the following agents is used for rapid-sequence induction?
- A) Ketamine
- B) Etomidate
- C) Propofol
- D) Midazolam
Answer: B
- Which of the following local anesthetics has the longest duration of action?
- A) Lidocaine
- B) Bupivacaine
- C) Procaine
- D) Ropivacaine
Answer: B
- Which of the following is most likely to cause postoperative nausea and vomiting?
- A) Propofol
- B) Nitrous oxide
- C) Ketamine
- D) Midazolam
Answer: B
- What is the typical MAC (minimum alveolar concentration) of isoflurane?
- A) 0.8%
- B) 1.2%
- C) 1.8%
- D) 2.0%
Answer: A
- Which of the following is the treatment for local anesthetic systemic toxicity (LAST)?
- A) Epinephrine
- B) Atropine
- C) Lipid emulsion therapy
- D) Naloxone
Answer: C
- Which of the following agents is used for analgesia and sedation in labor?
- A) Fentanyl
- B) Nitrous oxide
- C) Midazolam
- D) Isoflurane
Answer: B
- Which opioid has the fastest onset of action?
- A) Morphine
- B) Fentanyl
- C) Hydromorphone
- D) Methadone
Answer: B
- Which of the following is NOT a side effect of opioids?
- A) Constipation
- B) Respiratory depression
- C) Hypertension
- D) Sedation
Answer: C
- What is the primary use of dexmedetomidine in anesthesia?
- A) Sedation
- B) Muscle relaxation
- C) Analgesia
- D) Anti-nausea
Answer: A
- Which of the following local anesthetics can cause methemoglobinemia?
- A) Lidocaine
- B) Prilocaine
- C) Bupivacaine
- D) Ropivacaine
Answer: B
- Which of the following is a characteristic of propofol infusion syndrome?
- A) Hypotension
- B) Hyperkalemia
- C) Bradycardia
- D) All of the above
Answer: D
- Which of the following agents is best for pediatric induction due to its pleasant odor?
- A) Halothane
- B) Sevoflurane
- C) Isoflurane
- D) Desflurane
Answer: B
Topic-wise Anesthesia MCQs
- Anesthesiology MCQs
- Anesthesia Basics:
- Anesthesia Agents MCQs:
- Airway Management:
- Anesthesia Monitoring MCQs – Anesthesia:
- Regional Anesthesia MCQs :
- Patient Assessment and Optimization:
- Anesthesia Delivery Systems MCQs:
- Pediatric Anesthesia MCQs :
- Obstetric Anesthesia MCQs – Anesthesia:
- Anesthesia Complications and Emergencies MCQs:
- Post-Anesthesia Care MCQs:
- Geriatric Anesthesia:
- Ethics and Professionalism in Anesthesia MCQs:
- Simulation and Skills Training MCQs :