Which of the following system is most sensitive to atropine: (A) Respiratory mucosa, (B) Hea, (C) Pupil, (D) Gastrointestinal motility
Answer is A. Ref: HL Sharma 3rd ed: Pg no:154 The endpoint for atropinization is dried pulmonary secretions. Tachycardia and mydriasis must not be used to limit or to stop subsequent doses of atropine