Multiple choice Which of the following is not a symptom of exophthalmic goitre? Protruded eyes Decreased metabolism Restlessness Shortness of breath Rapid heart beat Reveal answer Fill a bubble to check yourself B Correct answer Explanation Excess of thyroxine secretion causes exophthalmic goitre, and the patient shows a marked increase in metabolic rate and heart beat, shortness of breath, protruded eyes, etc.