1. In the healthy heart, an increase in stroke volume is seen with an increase in:
a) dP/dT b) aortic systolic pressure c) left ventricular end-diastolic volume d) left ventricular end-systolic pressure e) heart rate
2. The a-wave of the central venous pressure waveform:
a) is caused by atrial contraction b) is not seen in atrial fibrillation c) is caused by atrial filling during ventricular contraction d) decreases with inspiration e) is followed by the v-wave
3. In the electrocardiogram, the:
a) P-R interval is equivalent to the A-V nodal conduction time b) T-wave is equivalent to ventricular repolarisation c) Q-T interval is equivalent to the duration of ventricular contraction d) U-wave represents sinoatrial node repolarisation e) duration of a normal P-wave is 0.2 seconds
4. Ptosis results from:
a) parasympathetic block b) sympathetic block c) facial nerve block d) trigeminal nerve block e) oculomotor nerve block
5. The following are precursors of adrenaline:
a) tyrosine b) phenylalanine c) noradrenaline d) dopamine e) isoprenaline
ANSWERS
1.TFTFF 2.TTFFF 3.TTTFF 4.FTTFT 5.TTTTF
ArticleDate:20040706
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