Question 1
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1. (a) Make a large drawing of a vertical section of the heart and label fully.
[10 marks]
(b) (i) What is tissue fluid? [3 marks]
(ii) Outline two functions of tissue fluid. [2 marks]
(iii) List the constituents of tissue fluid. [5 marks] |
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This question was attempted by many candidates and the candidates performance was fairly good.
In part (a) candidates were not able to make good drawings of diagrams. In part (b)(i) and (ii) some candidates were not able to define tissue fluid and to outline functions of tissue fluid.
The expected answers were as follows:
1. (a) Diagram of Heart –
Quality
Size 8 - 10 lines
NL - Guide lines should be ruled and should not cross
Clarity of lines - Drawing lines should be continuous and not woolly
Details
- Auricle smaller than ventricle (AU)
- Wall of left ventricle thicker than wall of right ventricle (VE).
- 4 chambers (CH)
Labels: Septrum, right ventricle, left ventricle, right auricle, left auricle,
tricuspid valve, bicuspid valve, chordae tendinae, semilunar
valves, pulmonary artery.
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