Observation

This question was attempted by many candidates and their performance was fair.  In   part (a)(i) few candidates correctly named  natural sources of sodium and in (ii) few candidates also stated functions of sodium.  In part (b) candidates could not correctly state deficiencies of  sodium in humans.  In part (c) candidates missed up the roles of general hospital with that of orthopedic hospital.

However, the expected answers are as follows:

1(a)(i)         NATURAL SOURCES OF SODIUM

table salt/sodium chloride

meat

egg

milk

fish

sea Food/named e.g. crab

fruits/named

vegetables/named.

      
(ii)    FUNCTIONS OF SODIUM

maintains the correct osmotic pressure of the body fluid/body water balance.

useful in transmission of impulses

for normal cell membrane permeability/cell functions

useful in tissue and blood formation

      
 

   (b)  DEFICIENCIES OF SODIUM IN HUMANS

dehydration

oedema

muscle cramp/pull

 

                                                        

  (c )      ROLES OF AN ORTHOPAEDIC HOSPITAL

gives appointment/care to patient

recommends test such as x-ray

treatments of injuries, diseases of bones and muscles

prescribes drugs to patients

admits patients in the hospital

counselling of patients

performs surgical operation to any part of the body that required operation

recommend/provide artificial limbs/crutches