Final answer:
Hypothyroidism is an endocrine condition associated with too little thyroid hormone (option c). It is a condition characterized by insufficient amounts of thyroid hormones, T3 and T4. It can result in symptoms such as thick, dry, and waxy skin, dull mental ability, and high sensitivity to cold.
Step-by-step explanation:
Hypothyroidism is an endocrine condition associated with too little thyroid hormone (option c). It is a condition characterized by insufficient amounts of thyroid hormones, T3 and T4. This can be due to a disease of the thyroid gland, a disease of the pituitary/hypothalamus, or a deficiency of iodine. In adults, hypothyroidism can result in myxedema, which is characterized by thick, dry, and waxy skin, dull mental ability, and high sensitivity to cold.