B.
It is specific because it’s the only thing that has to do with numbers
Here are the correct pairs:
Influenza - Vaccination
The vaccination would make your body become unsuitable environmnet for the virus to live off, so you would not be infected. The vaccination would be re-developed every two years since virus can adapt to the old one.
HIV - education
We still have not found the vaccines to prevent HIV from infecting our body. The best method of prevention would be education. We need to teach the children that HIV can be spread through unsafe sex, needle sharing, or blood transfusion.
Kidney failure - organ donation
Every individuals have 2 kidneys and we can still live if we give one of them. Usually immediate families such as parents or siblings had a suitable match for the kidney donation.
The diagnostic test that records the electrical activity of the heart is called ECG or Electrocardiogram. An ECG is a painless and simple test, which uses electrodes arranged and attached to your skin, and records the activity of the heart. ECG detects any abnormal rhythm and pattern of the heart beat and this helps doctors in diagnosing arrhythmias.
