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
SiteSection: Article
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