The Primary Health Care Provider Has Prescribed Isoniazid (INH)for a Client

The primary health care provider has prescribed isoniazid (INH) for a client of Japanese descent diagnosed with tuberculosis.What important factor must the nurse take into consideration in regard to the therapeutic effectiveness of this drug?

A) Clients of Japanese descent are known as slow acetylators.
B) Clients of Japanese descent are usually allergic to isoniazid.
C) Clients of Japanese descent are known as rapid acetylators.
D) Clients of Japanese descent do not need medication to treat their tuberculosis.