This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
Following are thyrotoxicosis signs EXCEPT - 
Select and explain. 
A. Infrequent blinking, B. Inability to converge the eyeballs, C. Visible upper scleara on looking straight, D. Stridor on gently pressing lobes of thyroid
D: Stridor on gently pressing lobes of thyroid
Answer: D: Stridor on gently pressing lobes of thyroid 
Explanation: In hypehyroidism, lagging of the upper eyelid as the eye looks downward, impairment of convergence, and retraction of the upper eyelid and infrequent blinking may be present. Page 1910, Nelson textbook of pediatrics 19th edition