Chapter 3 Review Questions

1) The abbreviation “MAC” stands for:
a) Minimal arterial concentration
b) Minimal alveolar concentration
c) Maximal arterial concentration
d) Maximal alveolar concentration

2) Regarding awareness, ALL BUT ONE of the following statements are correct. Indicate the exception:
a) There is no “gold” standard for measuring level of consciousness.
b) Volatile agents are effective amnestic agents.
c) Changes in heart rate and blood pressure can be used as surrogate indicators of level of consciousness.
d) Opioids (in high doses) provide effective hypnosis.

3) The immediate goals of emergence include ALL BUT ONE of the following. Indicate the exception:
a) The ability of the patient to protect their airway
b) Stable cardiovascular status
c) Normal mental status examination
d) Effective analgesia

4) The advantages of regional anesthesia include ALL BUT ONE of the following. Indicate the exception:
a) Improved outcomes for certain procedures (e.g. thoracic surgery, Caesarean section)
b) Ability to continue technique postoperatively to provide pain relief
c) A reliable option for patients not well enough to undergo general anesthesia
d) Avoidance of systemic administration of drugs and consequent side effects

5) Hypothermia is associated with ALL BUT ONE of the following. Indicate the exception:
a) Post operative hypoxemia
b) Decreased platelet function
c) Myocardial ischemia
d) Increased analgesic requirements

6) Adequacy of reversal of muscle relaxation can be assessed by ALL BUT ONE of the following. Indicate the exception:
a) Strong hand grip
b) The return of the eyelash reflex
c) Train of four shows 4 twitches with no fade
d) 5 second head lift

7) Tracheal intubation would be required in ALL BUT ONE of the following procedures. Indicate the exception:
a) Open cholecystectomy
b) Laparoscopic cholecystectomy
c) Excision of lymph node from the neck
d) Tonsillectomy

8) Known complications related to positioning include ALL BUT ONE of the following. Indicate the exception:
a) Brachial plexus injury with arm abduction of 60º
b) Hypoxemia in the Trendelenburg position
c) Common peroneal nerve injury in the lithotomy position
d) Retinal ischemia in the prone position
e) Venous air embolus with the sitting position

9) Regarding the comparative considerations of epidural and spinal anesthesia, which ONE of the following is CORRECT?
a) The lumbar puncture for a spinal anesthetic should be performed above L1 to avoid trauma to the cauda equina.
b) The epidural space is identified by puncture of the dura and free flow of cerebral spinal fluid.
c) A postdural puncture headache is a potential complication that occurs with both spinal and epidural techniques.
d) Epidural anesthesia is usually faster in onset than spinal anesthesia.

10) Early signs and symptoms of local anesthetic toxicity include ALL BUT ONE of the following. Indicate the exception:
a) Tinnitus
b) Perioral numbness
c) Dizziness
d) Hypertension

1 b, 2d, 3c, 4c, 5d, 6b, 7c, 8a, 9c), 10d