Agents Used in General Anesthesia and Sedation MCQs
1. Which nitrous oxide concentration provides good analgesia in the hard and soft tissues?
a. 10%.
b. 20%.
c. 30%.
d. 40%.
2. Which measure prevents diffusion hypoxia associated with nitrous oxide administration?
a. Administer 100% oxygen for 3 to 5 minutes after termination of nitrous oxide.
b. Administer 100% nitrous oxide for 3 to 5 minutes after termination of oxygen.
c. Administer 100% oxygen for 3 to 5 minutes before starting nitrous oxide delivery.
d. Administer 100% nitrous oxide for 3 to 5 minutes before starting oxygen delivery.
3. Which inhalation anesthetic is considered by the World Health Organization to be the standard other inhalation anesthetics are compared to?
a. Ether.
b. Halothane.
c. Isoflurane.
d. Nitrous oxide.
4. Which life-threatening, adverse reaction to inhalation analgesics requires the intravenous administration of dantrolene?
a. Hepatotoxicity.
b. “Coronary steal.”
c. Halothane hepatitis.
d. Malignant hyperthermia.
5. Which commonly used intravenous barbiturate is considered the prototype for intravenous anesthetics?
a. Propofol.
b. Ketamine.
c. Thiopental.
d. Methohexital.
6. Which factor makes benzodiazepines unsuitable for sole use in general anesthesia?
a. High amnesic effects.
b. High sedative properties.
c. Low anesthetic properties.
d. Low adverse cardiovascular effects.
7. Which drug is safe for general anesthesia use in asthmatic patients?
a. Propofol.
b. Morphine.
c. Thiopental.
d. Meperidine.
8. Which BEST describes the concept of balanced anesthesia?
a. Use a single drug to achieve general anesthesia.
b. Administer anesthetic drugs solely by inhalation to achieve general anesthesia.
c. Administer anesthetic drugs solely intravenously to achieve general anesthesia.
d. Use multiple drugs administered via multiple routes to achieve general anesthesia.
9. Which inhalation anesthetic drug is best suited for the maintenance stage of general anesthesia but not for induction?
a. Halothane.
b. Isoflurane.
c. Desflurane.
d. Sevoflurane.
