By: Prof. Dr. Fazal Rehman | Last updated: September 13, 2024
What is the primary goal of intravenous (IV) anesthesia?
a) To induce and maintain general anesthesia quickly
b) To provide local anesthesia
c) To monitor vital signs
d) To deliver inhalational anestheticsAnswer: a) To induce and maintain general anesthesia quickly
Which intravenous anesthetic agent is commonly used for induction of anesthesia due to its rapid onset and short duration?
a) Propofol
b) Ketamine
c) Thiopental
d) MidazolamAnswer: a) Propofol
Which intravenous anesthetic is known for its dissociative properties and analgesic effects?
a) Ketamine
b) Etomidate
c) Thiopental
d) FentanylAnswer: a) Ketamine
What is a common side effect of the intravenous anesthetic agent thiopental?
a) Respiratory depression
b) Increased heart rate
c) Hypotension
d) NauseaAnswer: a) Respiratory depression
Which intravenous anesthetic agent is preferred for its minimal cardiovascular effects?
a) Etomidate
b) Propofol
c) Ketamine
d) ThiopentalAnswer: a) Etomidate
Which IV anesthetic is often used as a premedication for its anxiolytic effects?
a) Midazolam
b) Propofol
c) Ketamine
d) ThiopentalAnswer: a) Midazolam
What is the primary use of fentanyl in intravenous anesthesia?
a) As an opioid analgesic
b) As a hypnotic agent
c) As an induction agent
d) As a muscle relaxantAnswer: a) As an opioid analgesic
Which intravenous anesthetic agent is known for its potential to cause adrenal suppression with prolonged use?
a) Etomidate
b) Propofol
c) Ketamine
d) ThiopentalAnswer: a) Etomidate
What is the typical effect of propofol on blood pressure?
a) It may cause hypotension
b) It raises blood pressure
c) It has no effect on blood pressure
d) It causes hypertensionAnswer: a) It may cause hypotension
Which intravenous anesthetic agent is used for its rapid induction and recovery profile in outpatient procedures?
a) Propofol
b) Ketamine
c) Etomidate
d) MidazolamAnswer: a) Propofol
What is the primary mechanism of action for propofol?
a) Enhancement of GABAergic neurotransmission
b) NMDA receptor antagonism
c) Opioid receptor agonism
d) Inhibition of serotonin reuptakeAnswer: a) Enhancement of GABAergic neurotransmission
Which intravenous anesthetic agent should be used with caution in patients with a history of cardiovascular disease?
a) Propofol
b) Ketamine
c) Thiopental
d) EtomidateAnswer: a) Propofol
What is the primary advantage of using ketamine as an intravenous anesthetic agent?
a) It provides analgesia and amnesia
b) It causes minimal cardiovascular depression
c) It has a very short duration of action
d) It has no respiratory effectsAnswer: a) It provides analgesia and amnesia
Which intravenous anesthetic agent is commonly used for induction and is known for its rapid clearance from the body?
a) Propofol
b) Etomidate
c) Ketamine
d) MidazolamAnswer: a) Propofol
Which intravenous anesthetic agent can cause hallucinations and vivid dreams during recovery?
a) Ketamine
b) Propofol
c) Thiopental
d) EtomidateAnswer: a) Ketamine
Which intravenous anesthetic agent is known for its minimal effect on the cardiovascular system?
a) Etomidate
b) Propofol
c) Ketamine
d) ThiopentalAnswer: a) Etomidate
What is the primary indication for the use of etomidate in intravenous anesthesia?
a) Induction of anesthesia in hemodynamically unstable patients
b) Analgesia during surgery
c) Muscle relaxation
d) Long-term sedationAnswer: a) Induction of anesthesia in hemodynamically unstable patients
Which intravenous anesthetic agent is associated with pain on injection?
a) Propofol
b) Etomidate
c) Ketamine
d) ThiopentalAnswer: a) Propofol
What is a common contraindication for the use of ketamine?
a) Psychotic disorders
b) Cardiovascular disease
c) Hepatic impairment
d) Renal impairmentAnswer: a) Psychotic disorders
What is the main advantage of using midazolam in intravenous anesthesia?
a) Its anxiolytic and amnesic properties
b) Its rapid onset of action
c) Its minimal cardiovascular effects
d) Its potent analgesic effectsAnswer: a) Its anxiolytic and amnesic properties
Which intravenous anesthetic agent is commonly used in combination with other agents for balanced anesthesia?
a) Propofol
b) Ketamine
c) Etomidate
d) MidazolamAnswer: a) Propofol
Which intravenous anesthetic agent is primarily metabolized in the liver?
a) Propofol
b) Ketamine
c) Thiopental
d) MidazolamAnswer: a) Propofol
What is a potential complication of using thiopental in intravenous anesthesia?
a) Respiratory depression
b) Cardiac arrhythmias
c) Hepatic toxicity
d) HypoglycemiaAnswer: a) Respiratory depression
Which intravenous anesthetic agent has a high potential for abuse due to its euphoric effects?
a) Ketamine
b) Propofol
c) Etomidate
d) ThiopentalAnswer: a) Ketamine
Which intravenous anesthetic agent is known to cause minimal changes in blood pressure and heart rate?
a) Etomidate
b) Propofol
c) Ketamine
d) ThiopentalAnswer: a) Etomidate
What is the primary effect of intravenous anesthesia with ketamine?
a) Dissociative anesthesia
b) Hypnotic sedation
c) Muscle relaxation
d) AnalgesiaAnswer: a) Dissociative anesthesia
What is a common adverse effect of propofol administration?
a) Hypotension
b) Tachycardia
c) Hyperthermia
d) AgitationAnswer: a) Hypotension
Which intravenous anesthetic agent is used for its potent antiemetic properties?
a) Propofol
b) Ketamine
c) Thiopental
d) EtomidateAnswer: a) Propofol
What is a characteristic feature of etomidate compared to other intravenous anesthetics?
a) Minimal cardiovascular effects
b) Long duration of action
c) High incidence of nausea
d) Significant respiratory depressionAnswer: a) Minimal cardiovascular effects
Which intravenous anesthetic agent is typically used for sedation and procedural anesthesia in a variety of clinical settings?
a) Midazolam
b) Propofol
c) Ketamine
d) ThiopentalAnswer: a) Midazolam
What is the primary use of fentanyl in intravenous anesthesia?
a) Pain relief
b) Induction of anesthesia
c) Sedation
d) Muscle relaxationAnswer: a) Pain relief
Which intravenous anesthetic agent is preferred for induction in patients with a high risk of cardiovascular instability?
a) Etomidate
b) Propofol
c) Ketamine
d) ThiopentalAnswer: a) Etomidate
Which intravenous anesthetic agent can cause transient excitatory effects or hallucinations during recovery?
a) Ketamine
b) Propofol
c) Midazolam
d) EtomidateAnswer: a) Ketamine
What is a common method of administering intravenous anesthesia for short procedures?
a) Bolus injection
b) Continuous infusion
c) Intermittent bolus
d) Inhalational inductionAnswer: a) Bolus injection
Which intravenous anesthetic agent is known for its rapid onset and very short duration of action?
a) Propofol
b) Ketamine
c) Thiopental
d) EtomidateAnswer: a) Propofol
Which intravenous anesthetic agent can be associated with myoclonus or involuntary muscle movements?
a) Ketamine
b) Propofol
c) Etomidate
d) MidazolamAnswer: a) Ketamine
Which intravenous anesthetic is least likely to cause respiratory depression?
a) Midazolam
b) Propofol
c) Ketamine
d) ThiopentalAnswer: a) Midazolam
What is a key safety consideration when administering propofol?
a) Monitoring for hypotension
b) Ensuring adequate analgesia
c) Avoiding over-sedation
d) Checking for allergic reactionsAnswer: a) Monitoring for hypotension
Which intravenous anesthetic agent is used for its minimal cardiovascular effects and does not typically alter heart rate or blood pressure significantly?
a) Etomidate
b) Propofol
c) Ketamine
d) MidazolamAnswer: a) Etomidate
Which intravenous anesthetic agent is used primarily for sedation and is also effective as an antiemetic?
a) Propofol
b) Ketamine
c) Thiopental
d) EtomidateAnswer: a) Propofol
What is a common side effect of ketamine administration?
a) Hallucinations
b) Bradycardia
c) Hyperthermia
d) HypotensionAnswer: a) Hallucinations
Which intravenous anesthetic agent should be avoided in patients with a history of seizures?
a) Ketamine
b) Propofol
c) Etomidate
d) ThiopentalAnswer: a) Ketamine
What is a primary concern when using etomidate in a surgical setting?
a) Adrenal suppression
b) Cardiovascular instability
c) Respiratory depression
d) Allergic reactionsAnswer: a) Adrenal suppression
Which intravenous anesthetic agent is least likely to cause nausea and vomiting?
a) Propofol
b) Ketamine
c) Etomidate
d) MidazolamAnswer: a) Propofol
What is the typical induction dose of propofol for a healthy adult?
a) 1.5-2.5 mg/kg
b) 5-10 mg/kg
c) 0.5-1.0 mg/kg
d) 2.0-3.0 mg/kgAnswer: a) 1.5-2.5 mg/kg
Which intravenous anesthetic agent is known for causing pain on injection due to its lipid formulation?
a) Propofol
b) Thiopental
c) Ketamine
d) EtomidateAnswer: a) Propofol
What is the primary mechanism of action of ketamine?
a) NMDA receptor antagonism
b) GABA receptor enhancement
c) Opioid receptor activation
d) Serotonin reuptake inhibitionAnswer: a) NMDA receptor antagonism
Which intravenous anesthetic agent is considered the best choice for patients with cardiovascular instability?
a) Etomidate
b) Propofol
c) Ketamine
d) MidazolamAnswer: a) Etomidate
Which intravenous anesthetic agent is associated with a high incidence of allergic reactions?
a) Propofol
b) Ketamine
c) Etomidate
d) ThiopentalAnswer: a) Propofol
Which intravenous anesthetic agent is used primarily for its sedative and anxiolytic effects in the preoperative setting?
a) Midazolam
b) Propofol
c) Ketamine
d) ThiopentalAnswer: a) Midazolam