Occipitofrontalis muscle.
Temporoparietalis muscle.
Procerus muscle.
Nasalis muscle.
Depressor septi nasi muscle.
Orbicularis oculi muscle.
Corrugator supercilii muscle.
Depressor supercilii muscle.
He is most likely studying for pharmacotherapy since it is the study of medical treatment by means of drugs.
Pharmacokinetics studies hows the drugs move throughout the body. Both pharmacogenetics and pharacogenomics include the study of a person's genes.
