Page 63 - ANZCP Gazette May 2023

1. Low-molecular-weight heparins (LMWH) have an average molecular weight of less than ________ and LMWH activity is monitored by __________.
a) Between 5000–40,000 daltons and PTT, ACT.
b) Between 5000–40,000 daltons and Anti-factor Xa levels.
c) 20000 daltons and PT, INR.
d) 8000 daltons and Anti-factor Xa levels.
2. Isovolumetric contraction is closest to (Right atrial pressures):
a) c wave
b) a wave
c) v wave
d) x descent
e) y descent
3. Cerebral blood flow is increased by:
a) Increase in CSF pressure of 5 mmHg
b) Increase in temperature
c) Increase of pCO2 of 5 mmHg
d) Increased regional neural activity
e) Decrease in MAP
f) Plasma glucose >10 mmol/L
4. The proteolytic enzyme that breaks up fibrin, thus dissolving clots, is:
g) Thrombin
h) Antithrombin
i) Fibrinogen
j) Plasmin
5. An inverted T wave could be caused by which of the following:
a) Electrode reversal
b) An ischaemic episode
c) An acute MI
d) Increased K+
6. Acidosis within the body causes the following:
a) Depression of the central nervous system
b) Excitation of the central nervous system
c) Increased retention of hydrogen ions
d) An increase in pH
7. The chordae tendinae’s primary function is to:
a) Close the mitral and tricuspid valves during ventricular relaxation
b) Close the aortic and pulmonary valves during ventricular contraction
c) Open the aortic and pulmonary valves during ventricular contraction
d) Close the mitral and tricuspid valves during ventricular contraction
8. Left ventricular preload is represented best by which of the following?
a) LVEDP b) CVP
c) PCWP d) PAD
e) LAP
9. Which of the following is/are true of the fetal/newborn heart:
a) More dependent on aerobic metabolism than anaerobic metabolism
b) Fully developed sympathetic innervation
c) Shorter action potentials and faster repolarization than the adult heart
d) Greater ventricular compliance than the adult heart e) All of the above
10. Oedema is caused by:
a) Decreased capillary pressure
b) Decreased plasma colloid osmotic pressure
c) Decreased tissue colloid osmotic pressure (No Increase) d) Increased plasma oncotic pressure (No... Low POP)
e) None of the above
11. Carbon dioxide dissolved in blood follows which law? a) Charles law
b) Avogadro’s law
c) Henry’s law
d) Dalton’s law e) Boyles law
MULTIPLE CHOICE 6
Sreenivasulu Galaeti CCP, FANZCP
MAY 2023 | www.anzcp.org 60