In the opening sequence when Sam is in the shower it is obvious that Linda Cardellini is wearing a two piece swim suit.
When introduced to the woman with the miniature horse service animal, Dr. Carter hunches down and pets the horse. You should never pet a service animal while it is on duty (i.e. wearing its harness/jacket). (In general, you should never pet an unfamiliar animal without asking the owner for permission first, service animal or not.)