Test Your Knowledge of the Endocrine System with Our Quiz!

Calcitonin, which regulates calcium levels in the blood

Thyroid-stimulating hormone (TSH), which regulates bone growth

Melatonin, which regulates the sleep cycle (correct)

Antidiuretic hormone (ADH), which regulates urine production

In the pancreas, secretes insulin and glucagon

On either side of the trachea, secretes T4, T3, and calcitonin (correct)

In the adrenal gland, secretes adrenaline and noradrenaline

At the base of the brain, secretes TSH and ADH

Polyuria, polydipsia, increased/excessive urine production, increased/excessive thirst

Exophthalmos, hoarseness of voice, muscle weakness, palpitations (racing heart)

Cold intolerance, fatigue, weight gain, constipation, dry skin

Heat intolerance, weight loss without active efforts from the patient, nervousness, anxiety, mood swings or crankiness, swollen thyroid gland (correct)