ANZCA Final MCQs 2025 B Questions
and Answers
Consider the following arterial blood gases. (Ref ranges in brackets)
pH 7.28
PaCO2 36
Bicarbonate 18 mmol.l-1 (18-25)
Base excess -7 mmol.l-1 (-4- +3)
Na+ 142 mmol.l-1 (135-145)
Cl- 112 mmol.l-1 (98-110)
These blood gases are consistent with
A. acute renal failure
B. diabetic ketoacidosis
C. ethylene glycol overdose
D. intraoperative infusion of 6 litres of normal saline
E. salicylate overdose - ....ANSWER☑️☑️...-
4. What is the most sensitive monitor for detecting a venous air embolus during
neuroanaesthesia?
A transoesophageal electrocardiography (yes - it said electro)
B precordial Doppler
C precordial stethoscope
FOR STUDY PURPOSES ONLY ©️ 2025 ALL RIGHTS RESERVED 1
,D capnography
E something else wrong - ....ANSWER☑️☑️...-
5. A 34 year old primigravida collapses soon after delivery of her baby, the
presumptive diagnosis is amniotic fluid embolus. Which ONE of the following
supports this diagnosis?
A markedly raised serum tryptase
B decreased C3-C4 levels
C thrombocytosis
D raised CRP
E hyperfibrinogenemia - ....ANSWER☑️☑️...-
RH30 You are performing a peribulbar block for eye surgery. You decide to add
hyalase to your local anaesthetic mix. What is the recommended concentration for
hyalase?
A 25 U/ml
B 50 U/ml
C 100 U/ml
D 150 U/ml
E 1500 U/ml - ....ANSWER☑️☑️...-
7. (repeat PZ106) A 25 year old male presents for ECT at a free standing facility. He
has a life threatening depressive illness that has not responded adequately to
medication, however he is still taking tranylcypramine. The most appropriate course
of action is
A cancel the procedure, cease tranylcypramine and perform the ECT in 2 weeks
B proceed with the ECT, but induce with midazolam and remifentanil
C proceed with the ECT, but pre treat with esmolol
FOR STUDY PURPOSES ONLY ©️ 2025 ALL RIGHTS RESERVED 2
,D proceed with the ECT with caution, but with your usual drugs
E transfer the patient to a tertiary centre for their ECT - ....ANSWER☑️☑️...-
8. A patient has been suffered a cardiac arrest. They are intubated but there is no IV
access. Which drug can be given down the ETT?
A Amiodarone
B Calcium
C Lignocaine
D Magnesium
E Sodium bicarbonate - ....ANSWER☑️☑️...-
9. (repeat SO19) A well 65 year old is having a total hip replacement under GA with
sevo/nitrous/fentanyl. BP is 130/70 and stable. Before the surgeon commences
reaming and cementing, the best thing to do is
A Induce hypotension
B Raise BP with vasopressors
C Turn off nitrous
D Give steroids
E Give heparin 5000u - ....ANSWER☑️☑️...-
10. Pt in ICU in their 20s is diagnosed with brain death. History is that of
immunosuppression for a renal transplant but otherwise well (although brain dead,
go figure). Patient has expressed a desire to be an organ donor. All these organs
can be donated except
A Bone marrow
B Heart
C Lung
D Liver
FOR STUDY PURPOSES ONLY ©️ 2025 ALL RIGHTS RESERVED 3
, E Transplanted kidney - ....ANSWER☑️☑️...-
11. What is the IV loading dose of paracetamol for a 16kg child?
A <15mg/kg
B 15mg/kg
C 20mg/kg
D >20mg/kg - ....ANSWER☑️☑️...-
28. PL35 Local anaesthetic systemic toxicity (LAST) Intralipid initial dose in mL/kg
A 0.5
B1
C 1.5
D2
E 5 - ....ANSWER☑️☑️...-
29. 15B-29 MELD score includes INR, Creatinine and
A Albumin
B Bilirubin
C AST
D Fibrin - ....ANSWER☑️☑️...-
41. Factor V Leiden homozygote. By how much is the risk of post-operative DVT
increased?
A 2x
B 5x
C 10x
D 20x
E 50x - ....ANSWER☑️☑️...-
43. 15B-43 Kessel Blade has the blade coming off the handle at a degree of:
FOR STUDY PURPOSES ONLY ©️ 2025 ALL RIGHTS RESERVED 4
and Answers
Consider the following arterial blood gases. (Ref ranges in brackets)
pH 7.28
PaCO2 36
Bicarbonate 18 mmol.l-1 (18-25)
Base excess -7 mmol.l-1 (-4- +3)
Na+ 142 mmol.l-1 (135-145)
Cl- 112 mmol.l-1 (98-110)
These blood gases are consistent with
A. acute renal failure
B. diabetic ketoacidosis
C. ethylene glycol overdose
D. intraoperative infusion of 6 litres of normal saline
E. salicylate overdose - ....ANSWER☑️☑️...-
4. What is the most sensitive monitor for detecting a venous air embolus during
neuroanaesthesia?
A transoesophageal electrocardiography (yes - it said electro)
B precordial Doppler
C precordial stethoscope
FOR STUDY PURPOSES ONLY ©️ 2025 ALL RIGHTS RESERVED 1
,D capnography
E something else wrong - ....ANSWER☑️☑️...-
5. A 34 year old primigravida collapses soon after delivery of her baby, the
presumptive diagnosis is amniotic fluid embolus. Which ONE of the following
supports this diagnosis?
A markedly raised serum tryptase
B decreased C3-C4 levels
C thrombocytosis
D raised CRP
E hyperfibrinogenemia - ....ANSWER☑️☑️...-
RH30 You are performing a peribulbar block for eye surgery. You decide to add
hyalase to your local anaesthetic mix. What is the recommended concentration for
hyalase?
A 25 U/ml
B 50 U/ml
C 100 U/ml
D 150 U/ml
E 1500 U/ml - ....ANSWER☑️☑️...-
7. (repeat PZ106) A 25 year old male presents for ECT at a free standing facility. He
has a life threatening depressive illness that has not responded adequately to
medication, however he is still taking tranylcypramine. The most appropriate course
of action is
A cancel the procedure, cease tranylcypramine and perform the ECT in 2 weeks
B proceed with the ECT, but induce with midazolam and remifentanil
C proceed with the ECT, but pre treat with esmolol
FOR STUDY PURPOSES ONLY ©️ 2025 ALL RIGHTS RESERVED 2
,D proceed with the ECT with caution, but with your usual drugs
E transfer the patient to a tertiary centre for their ECT - ....ANSWER☑️☑️...-
8. A patient has been suffered a cardiac arrest. They are intubated but there is no IV
access. Which drug can be given down the ETT?
A Amiodarone
B Calcium
C Lignocaine
D Magnesium
E Sodium bicarbonate - ....ANSWER☑️☑️...-
9. (repeat SO19) A well 65 year old is having a total hip replacement under GA with
sevo/nitrous/fentanyl. BP is 130/70 and stable. Before the surgeon commences
reaming and cementing, the best thing to do is
A Induce hypotension
B Raise BP with vasopressors
C Turn off nitrous
D Give steroids
E Give heparin 5000u - ....ANSWER☑️☑️...-
10. Pt in ICU in their 20s is diagnosed with brain death. History is that of
immunosuppression for a renal transplant but otherwise well (although brain dead,
go figure). Patient has expressed a desire to be an organ donor. All these organs
can be donated except
A Bone marrow
B Heart
C Lung
D Liver
FOR STUDY PURPOSES ONLY ©️ 2025 ALL RIGHTS RESERVED 3
, E Transplanted kidney - ....ANSWER☑️☑️...-
11. What is the IV loading dose of paracetamol for a 16kg child?
A <15mg/kg
B 15mg/kg
C 20mg/kg
D >20mg/kg - ....ANSWER☑️☑️...-
28. PL35 Local anaesthetic systemic toxicity (LAST) Intralipid initial dose in mL/kg
A 0.5
B1
C 1.5
D2
E 5 - ....ANSWER☑️☑️...-
29. 15B-29 MELD score includes INR, Creatinine and
A Albumin
B Bilirubin
C AST
D Fibrin - ....ANSWER☑️☑️...-
41. Factor V Leiden homozygote. By how much is the risk of post-operative DVT
increased?
A 2x
B 5x
C 10x
D 20x
E 50x - ....ANSWER☑️☑️...-
43. 15B-43 Kessel Blade has the blade coming off the handle at a degree of:
FOR STUDY PURPOSES ONLY ©️ 2025 ALL RIGHTS RESERVED 4
