When a person dies after stung by a bee following by the administration of penicillin, death may be due to
Prophylactic shock
Anaphylactic shock
Autouimmunity
Sedation
$X$ - $CO$ is responsible for skin cancer
$Y$ - Strong magnetic field is used in $MRI$ to diagnose cancer
An example of gene therapy is
Antibodies fight against
A boy happens to put his foot on a rusted nail and the doctor gives him an injection. Most likely he has given
$A$ : Live attenuated vaccine is better in terms of immunity provided to the recipient.
$R$ : As secondary lymphoid organs, example peyer's patches are stimulated to protect the individual.