waecE-LEARNING
Health Science Paper 2, Nov/Dec. 2014  
Questions: 1 2 3 4 5 6 7 8 9 Main
General Comments
Strength
Weakness/Remedies

Question 2
  1. (a)        State three instances in which an individual would not be
    allowed to donate blood.                                                                    [3 marks]

    1. Name two natural sources of pure water.                             [2 marks]
_____________________________________________________________________________________________________

observation

     This question was attempted by many candidates and their performance was fair.  In part (a) candidates correctly stated instances in which an individual would not be allowed to donate blood.  In part (b) many candidates mentioned wrong answers as streams, rivers, rain water, lake and ponds as natural sources of pure water.

The expected answers are as follows:

2(a)      INSTANCES WHEN AN INDIVIDUAL MAY BE DISALLOWED
FROM DONATING BLOOD

-     if the donor is anaemic/PCV/packed cell volume is low
-     if the donor is sick
-     if the donor is currently menstruating
-     if the donor’s blood is diseased / named e.g (HIV, HBP etc)
-     if the donor is a nursing/lactating mother
-     if the donor is a pregnant woman

 

   (b)     NATURAL SOURCES OF PURE WATER
-     borehole
-     deep well
-     spring
-     artesian well

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