Class 1 Medical
It looks as though your first question has already been answered. Regarding the blood test, the one for haemoglobin is just a finger prick, which Class 1s should have at every medical. However, a Class 1 requires a cholesterol level at the initial exam. and again at 40, or if there is any doubt about whether it may be raised, and for that, a blood sample will be needed. As far as the lumps in the neck are concerned, it would help greatly if you could take along the report that you received from the doctor who told everything was OK.