Difficulty: Medium
Average Score: 76%
Simulated
Which of the following is a characteristic sign of hyperthyroidism?
Correct answer
C
Rationale
The correct answer is C: Tremors and nervousness. Hyperthyroidism is characterized by an overactive thyroid gland, leading to increased metabolic rate. Tremors and nervousness are common symptoms due to excessive thyroid hormone levels. Cold intolerance (A) is seen in hypothyroidism. Fatigue and lethargy (B) are more indicative of hypothyroidism. Weight gain (D) is also a symptom of hypothyroidism. Thus, the key characteristics of hyperthyroidism are tremors and nervousness.