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Pain & Critical Care
History & Discoveries
Anaesthesia Rapid Recall
100

Which factor is the most significant determinant of the "damping coefficient" in an invasive arterial line system?

  • A. The length and compliance of the tubing.
  • B. The patient's heart rate.
  • C. The diameter of the radial artery.
  • D. The concentration of Heparin in the flush.
  • A. The length and compliance of the tubing.
100

Which anesthetic agent is most likely to preserve cerebral autoregulation while significantly reducing the cerebral metabolic rate of oxygen?

  • A. Sevoflurane at 2.0 MAC
  • B. Nitrous Oxide
  • C. Propofol
  • D. Ketamine
  • C. Propofol
200

What is the primary physiological goal of "Permissive Hypercapnia" in ARDS management?

A. To improve oxygen dissociation
B. To prevent barotrauma and volutrauma
C. To increase cardiac output
D. To sedate the patient naturally



B. To prevent barotrauma and volutrauma

200

What is the primary mechanism of coagulopathy in a patient with Amniotic Fluid Embolism (AFE)?

  • A. Dilutional coagulopathy from massive fluid resuscitation
  • B. Consumptive coagulopathy (DIC) triggered by tissue factor
  • C. Hepatic failure and loss of clotting factor synthesis
  • D. Primary fibrinolysis only

B. Consumptive coagulopathy (DIC) triggered by tissue factor

300

In what year Macintosh blade was introduced?

A. 1943
B. 1920
C. 1941
D. 1935

A. 1943

300

In the context of the "Bohr Effect," an increase in \(PaCO_{2}\) and a decrease in pH causes:

  • A. A left shift of the Oxyhemoglobin dissociation curve (higher affinity)
  • B. A right shift of the Oxyhemoglobin dissociation curve (easier unloading)
  • C. No change in oxygen affinity
  • D. Inhibition of 2,3-DPG production
  • B. A right shift of the Oxyhemoglobin dissociation curve (easier unloading)
400

In 1942, Griffith and Johnson revolutionized anesthesia by being the first to use which substance clinically?

A. Thiopental
B. Halothane
C. Curare
D. Cyclopropane

C. Curare

400

regarding autonomic hyperreflexia in patients with spinal cord injury, Up to 85% of patients with transections above what level will exhibit it under general anesthesia

A. T4
B. T5
C. T6
D. T7

C. T6
500

The term "Anesthesia" (from the Greek for "without sensation") was famously suggested to William Morton in a letter by which prominent American physician and poet?

A. Oliver Wendell Holmes Sr.
B. Crawford Long
C. Benjamin Rush
D. Silas Weir Mitchell

A. Oliver Wendell Holmes Sr.

500

Which anesthetic agent is associated with the highest level of carbon monoxide formation when interacting with desiccated CO2 absorbents?

  • A. Halothane
  • B. Isoflurane
  • C. Desflurane
  • D. Sevoflurane
  • C. Desflurane