<prompt> In the treatment of hypothyroidism, thyroxine is preferred over liothyronine because of thyroxine:Is faster actingHas higher affinity for thyroid hormone receptorsHas a longer half lifeCan be made more easily by recombinant DNA technology  <response>: Liothyronine T3 as compared to thyroxine T4 is:Fast actingMore potentShort half-lifeAn indication of liothyronine includes myxedema coma and for most of the indications, thyroxine is used because it has a long half-life thus can be used less frequently than T3. 