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Chapter 2 Quiz

1) Routine preoperative hemoglobin is NOT required for:

  • a) A healthy female over 50 years of age
  • b) A patient who has been crossmatched for surgery
  • c) A patient on anticoagulant medication
  • d) A young female patient with menorrhagia

2) Which ONE of the following is the most important determinant of peri-operative risk?

  • a) Patient’s underlying health
  • b) Length of surgery
  • c) Duration of surgery
  • d) Emergency surgery

3) Which of these patients is NOT at increased risk of aspiration?

  • a) A pregnant patient (32 weeks gestation) who has been NPO (nil per os) for 10 hours
  • b) A patient with fractured femur who has been NPO since the accident 12 hours ago
  • c) A healthy patient with appendicitis
  • d) A healthy patient who had 8 ounces of clear tea 4 hours pre-operatively

4) The following medication should be discontinued prior to surgery and anesthesia:

  • a) Anticonvulsants
  • b) Thyroid replacement
  • c) Monoamine-oxidase inhibitors
  • d) Antihypertensives

5) A patient with which ONE of the following conditions requires antibiotic prophylaxis prior to tonsillectomy?

  • a) Uncorrected Tetralogy of Fallot
  • b) Aortic stenosis
  • c) Uncomplicated heart transplant
  • d) Prophylaxis is not required for tonsillectomy

6) A patient is on prednisone 30 mg daily for rheumatoid arthritis and presents for coronary bypass surgery. Which of the following best describes their peri-operative steroid requirements?

  • a) 30 mg prednisone orally on day of surgery
  • b) 25 mg hydrocortisone IV on day of surgery
  • c) 25 hydrocortisone IV for 72 hours
  • d) 100 mg hydrocortisone IV for 72 hours

7) A 60-year old man for minor surgery has a BP of 170/100 mmHg in the pre-operative clinic. In retrospect, he admits that his blood pressure has been consistently high when he checks it at the drugstore. Assign an ASA class.

  • a) ASA 1
  • b) ASA 2
  • c) ASA 3
  • d) ASA 4

8) ALL BUT ONE of the following describes the CO2 absorber. Indicate the exception:

  • a) Changes colour as the soda lime becomes exhausted
  • b) Is required if a circle circuit is being used
  • c) Allows for economical use of anesthetic gases
  • d) Provides a waveform of exhaled carbon dioxide

9) Which ONE of the following statements regarding the peripheral nerve stimulator is true?

  • a) Delivers four successive impulses at a rate of 2 per second
  • b) Is a sensitive indicator of neuromuscular blockade
  • c) Must be used on the awake patient to achieve a baseline
  • d) Is commonly applied to the radial nerve

10) A patient is receiving a balanced anesthetic with volatile anesthetic gases, opioids and muscle relaxants. Which ONE of the following monitors is required to be in continuous use during the care of this patient?

  • a) Temperature probe
  • b) Agent-specific gas monitor
  • c) Peripheral nerve stimulator
  • d) Spirometer

11) ALL BUT ONE of the following interfere with accurate pulse oximetry measurements. Indicate the exception:

  • a) Nail polish
  • b) Peripheral vasoconstriction due to hypothermia
  • c) Severe anemia (Hg 60 g/L)
  • d) Methemoglobinemia
  • e) Carbon monoxide

12) ALL BUT ONE of the following conditions will cause the capnograph to give a reading that is much lower than the arterial CO2. Indicate the exception.

  • a) Pulmonary embolus
  • b) Exhausted CO2 absorber soda lime
  • c) Cardiac arrest
  • d) Severe bronchospasm

Answers: 1a, 2a, 3d, 4c, 5a, 6d, 7d, 8d, 9a, 10b, 11c, 12 b