Multiple choice general knowledge Which part of the Body is affected for a person believed to be suffering from GOITRE …. Muscles Forehead Spine Thyroid Gland Reveal answer Fill a bubble to check yourself D Correct answer Explanation Goitre is the abnormal enlargement of the thyroid gland, located in the neck. It is often caused by iodine deficiency. The thyroid gland (option D) is the correct answer, not muscles, forehead, or spine.