Pharmacology

What is the typical IV induction dose of propofol for a healthy adult?

Which factor increases the MAC of volatile anesthetics?

Among commonly used volatile anesthetics, which has the lowest blood–gas partition coefficient?

Which induction agent is preferred in severe aortic stenosis due to minimal hemodynamic depression?

Which reversal agent directly encapsulates and inactivates rocuronium molecules?

Which antimuscarinic is routinely paired with neostigmine for NMB reversal to limit bradycardia?

In which scenario is succinylcholine contraindicated due to risk of severe hyperkalemia?

What laboratory finding suggests atypical pseudocholinesterase and prolonged succinylcholine effect?

First-line therapy for local anesthetic systemic toxicity (LAST) includes which intervention?

Which local anesthetic has the greatest risk of cardiotoxicity at high plasma levels?

What is the maximum recommended adult dose of lidocaine with epinephrine for infiltration anesthesia?

What is the primary benefit of adding epinephrine to a local anesthetic solution?

Which opioid maintains a short context-sensitive half-time even after prolonged infusions?

Which opioid is most associated with histamine release and hypotension?

Which antiemetic primarily acts as a 5-HT3 receptor antagonist?

Which antiemetic is a dopamine D2 antagonist and may cause extrapyramidal symptoms?

What is the definitive treatment for malignant hyperthermia (MH)?

Which agent is safe in a patient with known MH susceptibility?

Which short-acting β1-selective blocker is preferred for treating intraoperative tachycardia?

Which vasopressor is classically used to treat hypotension after spinal/epidural anesthesia?

Which agent increases heart rate and cardiac output via indirect sympathomimetic effects?

How does MAC change with advancing age?

What is the effect of pregnancy on MAC for volatile anesthetics?

Which volatile anesthetic is most pungent and can provoke airway irritation on inhalation induction?

Which volatile anesthetic is most associated with carbon monoxide formation with desiccated CO2 absorbent?

Nitrous oxide is contraindicated in which situation due to expansion of closed gas spaces?

Nitrous oxide inactivates vitamin B12 by inhibiting which enzyme?

Which is a hallmark of propofol infusion syndrome (PRIS) during high-dose prolonged infusions?

What is the primary mechanism of action of ketamine?

Etomidate causes adrenocortical suppression by inhibiting which enzyme?

Which nondepolarizing NMB is largely organ-independent due to Hofmann elimination?

Which nondepolarizing NMB is most likely to cause tachycardia via vagolytic effects?

Local anesthetic potency is most closely related to which property?

Optimal timing for neostigmine administration to reverse NMB is when?

Which anticholinesterase crosses the blood–brain barrier and can treat central anticholinergic syndrome?

Which feature is characteristic of a phase I depolarizing block from succinylcholine?

Which antimuscarinic reduces secretions and does not cross the blood–brain barrier?

Which local anesthetic is most associated with methemoglobinemia, especially in topical/EMLA use?

Which effect is typical of dexmedetomidine?

Which IV induction agent is preferred for a patient with active bronchospasm?

Which adjunct acts as a central α2-adrenergic agonist to provide analgesia-sparing sedation?

Which long-acting amide local anesthetic has a lower cardiotoxicity profile than bupivacaine?

What is the maximum recommended infiltration dose of bupivacaine (without epinephrine) in adults?

Which epinephrine concentration is commonly added to local anesthetic to prolong infiltration anesthesia?

Which opioid also exhibits NMDA-receptor antagonism useful for opioid-induced hyperalgesia?

After naloxone reversal of opioid-induced respiratory depression, what is the key risk?

In which scenario is flumazenil most likely contraindicated due to seizure risk?

Which drug reverses the anticoagulant effect of unfractionated heparin?

Urgent reversal of warfarin before surgery is best achieved with:

What is the mechanism of tranexamic acid?

How long does platelet inhibition persist after a single dose of aspirin?

Recommended discontinuation interval for clopidogrel before neuraxial anesthesia is:

Which serious adverse effect is associated with dantrolene therapy?

Which opioid has the shortest effect-site equilibration half-time (t½ke0)?

Which class most reliably decreases MAC requirements for volatile anesthetics?

Which volatile anesthetic is associated with formation of compound A at low fresh gas flows?

Desiccated CO₂ absorbent increases the risk of which issue with sevoflurane?

Which nerve fibers are blocked first by local anesthetics?

Which local anesthetic provides more sensory-motor separation (less motor block) at equipotent doses?

What is a classic epidural test dose to detect intravascular injection?

MAC-awake corresponds to approximately what fraction of MAC?

High-dose remifentanil infusions are most associated with which postoperative problem?

Which sedative provides cooperative sedation with minimal respiratory depression?

Refractory hypotension in a patient on ACE inhibitors responds best to:

What is the primary mechanism of milrinone?

Which medication is first-line for severe β-blocker overdose with bradycardia/hypotension?

What is the preferred initial treatment for ventricular arrhythmias and hypotension from TCA overdose?

Which drug stabilizes the myocardium rapidly in severe hyperkalemia?

Which intraoperative therapy most selectively reduces pulmonary arterial pressure?

Which induction agent is preferred in elevated intracranial pressure due to cerebral vasoconstriction and reduced CMRO₂?

Which nondepolarizing NMB is commonly chosen as a succinylcholine alternative for RSI?

What is the recommended RSI dose of rocuronium to achieve rapid onset?

Which antimuscarinic is most likely to cause central sedation and amnesia?

What is the antidote for clinically significant methemoglobinemia?

Where do local anesthetics bind to block conduction?

Which volatile agent better preserves hepatic blood flow compared with halothane?

Which anesthetic is most associated with immune-mediated severe hepatic injury (“halothane hepatitis”)?

Which analgesic can precipitate withdrawal in opioid-dependent patients due to high-affinity partial agonism?

Which antiemetic is a neurokinin-1 (NK1) receptor antagonist?

Which perioperative analgesic has the highest risk of serotonin syndrome when combined with MAOIs?

After a prolonged intraoperative infusion, which opioid has the longest context-sensitive half-time?

Which antiemetic carries the highest torsades de pointes risk at standard antiemetic doses?

What is the principal mechanism of neostigmine at the neuromuscular junction?

Minimum recommended interval before neuraxial block after the last dose of apixaban (normal renal function)?

Which local anesthetic exhibits intrinsic vasoconstrictive properties?

Which opioid’s metabolite is proconvulsant and can cause seizures with accumulation?

Which analgesic should be avoided in advanced chronic kidney disease due to nephrotoxicity risk?

Which opioid is most likely to cause prolonged sedation/respiratory depression in renal failure?

Which adjunct best mitigates remifentanil-induced opioid hyperalgesia intraoperatively?

Best single agent to treat postoperative shivering?

Which inhalational anesthetic most increases cerebral blood flow and intracranial pressure?

Which volatile anesthetic has been historically associated with seizure activity, especially with hypocapnia?

Which agent is provided as a transdermal patch for PONV prevention via antimuscarinic action?

Which analgesic has significant serotonergic activity and can precipitate serotonin syndrome with SSRIs?

Which antibiotic class potentiates nondepolarizing neuromuscular blockade?

First-line medication for intraoperative anaphylaxis?

What specifically reverses dabigatran anticoagulation?

What specifically reverses factor Xa inhibitors such as rivaroxaban or apixaban?

Which medication is contraindicated for perioperative pain control in patients undergoing CABG surgery?

Which drug relieves opioid-induced sphincter of Oddi spasm intraoperatively?

Benzodiazepines enhance GABA_A function by which mechanism?

Which modern volatile anesthetic has the highest degree of metabolism and inorganic fluoride production?

Rapid IV administration of which opioid is classically associated with chest wall rigidity?

Droperidol’s primary antiemetic mechanism is:

Best local anesthetic choice for IV regional anesthesia (Bier block)?

EMLA cream is a eutectic mixture of which two local anesthetics?

Which uterotonic is relatively contraindicated in asthma due to bronchospasm risk?

Which medication is a first-line tocolytic in preterm labor?

High concentrations of which anesthetic class decrease uterine tone and increase bleeding risk?

Which nondepolarizing neuromuscular blocker is most prolonged in renal failure?

Which antibiotic can precipitate serotonin syndrome when combined with SSRIs due to MAOI activity?

Which antiarrhythmic most commonly causes torsades de pointes due to QT prolongation?

Which agent is preferred to rapidly reduce intracranial pressure intraoperatively?

Which premedication is commonly administered intranasally in pediatrics for anxiolysis?

Which dye can precipitate serotonin syndrome when combined with SSRIs/SNRIs?

Ester local anesthetics are primarily metabolized by:

Which local anesthetic has the fastest onset at equipotent doses due to lower pKa (closer to physiologic pH)?

For urgent epidural top-up to surgical anesthesia (e.g., cesarean), which LA is often chosen for rapid onset?

Which partial μ-agonist has a ceiling effect on respiratory depression and can precipitate withdrawal?

Concomitant use of which medication with nitrates can cause profound hypotension?

Which single IV agent best blunts the sympathetic response to laryngoscopy in a patient with coronary artery disease?

Which antidote acts as a sulfur donor to enhance cyanide detoxification during nitroprusside therapy?

Which opioid is preferred in end-stage renal disease due to inactive/non-renal metabolites?

Which medication reduces pediatric emergence delirium after sevoflurane anesthesia while limiting respiratory depression?

For PONV prophylaxis, when is dexamethasone optimally administered?

Which induction agent is preferred in septic shock due to sympathetic support and preserved BP?

Which local anesthetic provides the shortest duration for “short spinal” anesthesia?

Which factor prolongs the action of nondepolarizing neuromuscular blockers intraoperatively?

Which drug most increases warfarin effect via CYP inhibition?

Which analgesic is safest for perioperative pain control in significant platelet dysfunction?

Which benzodiazepine has active metabolites causing prolonged sedation especially in the elderly?

Which agent is preferred for smooth inhalational induction in children?

What is the maximum recommended adult dose of plain lidocaine (without epinephrine) for infiltration?

What reverses significant benzodiazepine-induced sedation/respiratory depression?

Which premedication best attenuates etomidate-induced myoclonus?

Which condition increases sensitivity to nondepolarizing neuromuscular blockers?

Which condition requires higher succinylcholine dosing for intubation due to resistance?

Which preoperative adjuvant reduces postoperative opioid consumption and neuropathic pain symptoms?

Chronic lithium therapy has which neuromuscular implication?

What is the best antiemetic strategy for a high-risk adult patient?

Rapid infusion of which antibiotic can cause “red man syndrome”?

For analgesia in a hemodynamically unstable trauma patient, which opioid is preferred?

Which IV antihypertensive allows rapid, precise titration with an ultra–short half-life?

When reversing with edrophonium, which antimuscarinic should be paired due to similar onset?