Canadian Anaesthetic MCQ Collection THREE
"The Toronto FRCP 1997 Collection"
Home | Canada-MCQ-Index | The-Black-Bank
Previous page | Next page

1. PaC02 to EtC02 not increased by :
A.   gas emboli
B.   COPD
C.   atelectasis
D.   fat embolism

2. Which is contradindicated in a TET spell ?
A.    B-blocker
B.  Ca channel blocker
C.  manual compression of abdominal aorta
D.  general anesthetic
E.  alpha - 1 agonist

3. What is the 02 consumption ?   Hb = 100,  CO = 5 L / min,   Sa02 = 100 %,   Sv02 = 40 %
A.   200 cc / min
B.  250 cc / min
C.  300 cc / min
D.   400 cc / min
E.   cannot calculate

4. Phenol in glycine for neurolytic blockade:
A.   is hypobaric compared to CSF
B.   agent of choice for celiac plexus blocks
C.  lasts 8-10 years
D.  higher affinity for vascular tissue than neural tissue

5. Landmark for T-7 vertebrae in sitting position:
A.   angle of Louis
B.   iliac crest
C.   superior border of scapula
D.   spines of scapula
E.  inferior border of scapula

6. Hematologists suggest DDAVP pre-op for patient with history of gum / dental bleeding . What disease does patient likely have :
A.  von Willebrands type 1
B.  Factor Xlll deficiency
C.  Hemophillia B
D.  Glanzmann’s thrombasthenia
  
7. Location of intercostal nerve block
A.  superior border of rib
B.   before artery and vein join in
C.  posterior angle of rib
D.  prior to sympathetics joining in

8.  Anesthetized patient’s position is changed from supine to sitting:  What is the cardiovascular effect.
A.  decreased RAP
B.  increased SVR
C.   decreased CO

9. Hyperkalemia
A.   cardiac toxicity only when > 7.0
B.  U waves
C.   occurs with respiratory alkalosis
D.   more worse with hypercalcemia
E.   associated with digoxin toxicity

10.  Which of the following  PBF > SBF
A.  TOF
B.  Ebstein’s + PFO
C.   TGV  +  Pulmonic stenosis
D.   PDA
E.   coarctation

11. IM morphine 
A.   peak concentration varies little
B.   time to peak 4 - 8 hours
C.  duration 3 - 4 hours
D.  concentration stable secondary to slow release
E.   concentration independant of blood flow

12   Least likely to  increase dead space
A.   decrease cardiac output
B.   increase tidal volume
C.  amniotic fluid
D.  anemia
E.  PEEP

13. Respiratory depression
A.   mu one
B.   mu two
C.  delta
D.  kappa
E.  sigma

14. Most likely to cause angina with normal coronaries:
A.  constrictive pericarditis
B.  
C.  carcinoid
D.  LA myxoma
E.  IHSS

15. Coumadin rapidly corrects
A.   DDAVP
B.  FFP
C.   cryoprecipitate
D.   vitamin K deficiency
E.   protamine

16. Posterior fossa, sitting position, bradycardia, BP falls to 60 / 34,  Sp02  98 % ,    CVP   4
  doppler O.K. ,   EtC02 falls from 30  to  26…. Initial therapy:
A.   aspirate from CVP
B.  position head lower than heart
C.  phenylephrine 50 mcgs
D.   500 ml saline

17. Adenosine
A.   converts a-fib to sinus
B.  potentiated by methlyxanthines
C.   reduced by dipyrimadole
D.   hyperpolarizes cell membrane
E.   inactivated by PC

18. A two year old,  15 kg  child for hernia repair.  Case booked for 12 noon.  Acceptable NPO guidelines:
A.   NPO after bed time
B.  light breakfast before 0900 a.m.
C.  no solid food after 2400 midnight, clear fluids until 0900 a.m.
D.  full feeds until 0900 a.m.
E.   clear fluids from bedtime until 0600 a.m.

19. Narcotic with smallest Vd
A.  alfentanil
B.  sufentanil
C.  fentanyl
D.  morphine
E.  meperidine

20. Addition of 0 . 75 % isoflurane to N20 / 02 anesthetic for C / S :
A.  increaes bleeding
B.  neonatal depression
C.  hypotensioin
D.  decreases maternal awareness

21. Best measure of Ig-E anaphylaxis :
A.  patch test
B.  skin prick
C.  RAST test
D.  eosinophil degranulation test

22 .  C02 in blood is mostly in the form of :
A.   bicarb in plasma
B.  carbamino Hg
C.   H2C03

23. Sign of addiction in colleague
A.  refusal to work on call
B.   likes to work with  residents
C.  meticulous charting
D.  refuses to relieve colleagues
E.  insists on giving narcotics in PACU personally

24 .  Which of the following are not side effects of epidural morphine :
A.  N & V
B.   pruritus
C.  respiratory depression
D.  hives
E.   urinary retention

25. Which is not a sign of brain stem anesthesia ?
A.   hypertension
B.  tinnitus
C.   increased HR

26. Which is not a side effect of protamine ?
A.   myocardial depression
B.   non-cardiogenic pulmonary edema
C.  hypotension
D.  anaphylaxis

27. Lt. Sided DLT’s are more commonly used because:
A.  Rt. double cuffs are more likely to rupture
B.  Better ventilation due to anomolous Rt. upper lobe take off
C.  endobronchial lumen is bigger for left sided tube
D.  intubation is easier
E.   take off of LUL bronchus is further from carina than RUL take off

28. Acute cardiovascular effects of smoking
A.  dec. rate-pressure product
B.   inc. viscosity
C.  dec. platelet adhesiveness
D.  dec. 02 transport
E.  nicotine induced coronary steal

29. 0.1 MAC Halothane depresses most
A.   HPV
B.  brainstem auditory evoked potentials
C.  cerebrovascular response to C02
D.  ventilatory response to C02
E.  ventilatory response to 02

30. Infra-renal aortic X-clamp with normal LV and normal coronaries:
A.  inc. PAP
B.  inc. CVP
C.  inc. PCWP
D.  dec. CO
E.  no change in MAP

31. Effect of induction dose of thiopental
A.  clinically significant histamine release with thiobarbiturates
B.  main hemodynamic effect is dec. SVR
C.   dose related dec. cerebral 02 metabolism up to 90 %
D.  no change in IOP
E.  not shown to help cardiac arrest patients WRT to cerebral protection

32. Brachial plexus—which nerves leaves superior trunk before bifurcates to anterior and posterior cords
A.  long thoracic
B.  median
C.  axillary
D.  subscapular
E.  suprascapular

33. Best indicator of LV pre-load
A.   LVEDP
B.   LVEDV
C.  CVP
D.  PCWP
E.  PA diastolic

34. Addition of HC03 to local anesthetic:
A.  inc. ionized fraction
B.   may precipitate
C.  dec. pC02
D.  inc. time to onset
E.  no change in pH

35. Pediatric outpatient surgery:
A.   ASA l, ll, or lll may be acceptable
B.  cystoscopy must be admitted
C.  inc. nausea with procedures less than 20 minutes
D.  longer to awaken with midazolam pre-med v.s. morphine
E.   O.K. for premies if 3 months post natal age

36. Celiac plexus location
A.   performed at L1
B.  surrounds IVC
C.  lateral to kidneys
D.  posterior to crus of diaphragm
E.  anterior to pancreas

37. What is normal ICP?
A.  8 mmHg
B.  12
C.  16
D.  20
E.  24

38. What is most common complication in PACU
A.  N & V
B.  shivering
C.  dec. P02
D.  saturation < 90 %
E.   hypotension

39. What is the innervation of the 5 th toe
A.  saphenous
B.  sural
C.  tibial
D.  deep peroneal
E.  superficial peroneal

40.  2 y.o. 15 kg child had VSD repaired 1 year ago.  Now presents for cardiac cath. Which is true:
A.  no prophylaxis is needed
B.  oral Amox 50 mg / kg pre-op
C.  IV amp 50 mg / kg pre-op
D.   something to cover staph aureus

41. What decreases MAC the most
A. prematurity
B. hypthermia
C. hypocarbia
D. hypothyroidism
E. chronic EtOH abuse

42. What is mechanism of inc. PaC02 in chronic COPD on Fi02 of 1.0
A.  V / Q mis-match
B.  Haldane effect
C.  dec. hypoxic pulmonary drive
D.  hypoxia

43. Which pulm function values are found in geriatric population
A.   dec. response to hypercarbia
B.  inc. VC

44. What is 02 carrying capacity, Hb = 80 g / L , Sa02 = 100 %, Pa02 = 300 mm Hg
A.   14 g / dl
B.  12
C.  6
D.  18
E.  7

45. What is the Meyer-Overton theory
A.   explains why N20 expands in an enclosed space
B.  explains additive effect of inhaled anesthetics and narcotics
C.  relates potency of anesthetic gases to their solubility

46. A patient with PAC inserted is undergoing a Rt. thoracotomy.  Turned Lt. Decubitus and Rt. lung deflated.  Which is true.
A.  PAC is in zone 3
B.  wedge accurately reflects LAP
C.  wedge will increase when CPAP applied to non-dependent lung
D.  PAC will be in dependent lung
E.  cardiac output will be over estimated

47. During a carotid endarterectomy, which is the least sensitive indicator of cerebral blood flow.
A.  EEG
B.  stump pressures
C.  transcranial dopler
D.  SSEP’s
E.  

48. Which laryngeal muscle is responsible for abduction of the vocal cords.
A.  cricothyroid
B.  thyroepiglottic
C.  posterior cricoarytenoid
D.  lateral cricoarytenoid

49. Following a Rt. pneumonectomy a patient develops a broncho-pleural fistula.  Which method of lung
  isolation is most appropriate.
A.   Univent tube
B.  regular ETT
C.  Lt. DLT
D.  Rt. DLT

50. Which is the best indication for a double lumen tube.
A.  broncho-pleural fistula
B.  thoracoscopy
C.  open lung biopsy
D.  


Next page

Last updated Saturday, 23 July 2005 02:13 PM - Kerry Brandis, 2001