Subject A is 19 year old student, 1.72 m tall and weighs 53kg.
Subject A has been suffering from severe diarrhoea, stomach cramps, flatulence, bloating and stomach pain. He has been suffering from tiredness and generally feeling run down.
Subject A is non drinker, non smoker, often skips breakfast but always has cooked meal with meat later in the day and tries to eat 5 portions of fruit and vegetables per day. Subject A likes to eat yoghurt and ice cream but rarely eats cakes or biscuits.
Subject A's Body Mass Index calculated at 18 which classifies him as underweight.
Subject A told to keep food diary for one week and blood tests taken.
After one week the Subject A reported that he had noticed that stomach pain and bloating occurred after he had eaten the following foods:-
Blood Test Results
Analyte Subject A's Value Normal Values
Haemoglobin 147 g l-1 120-160 g l-1
Serum Iron 21.3 mmol l-1 14-29 mmol l-1
Iron Binding capacity 66 mmol l-1 45-72 mmol l-1
Serum folate 8.0 mg l-1 2-13 mg l-1
IgA anti-endomysium antibody Negative negative
1. Would I be correct is thinking that Subject A's symptoms indicate lactose intolerance and the tests were carried out to confirm this?
2. What condition would the presence of the IgA anti-endomysium antibody indicate?
3. Would can be seen from Subject A's test results?
See attached file for full problem description.