Understanding Thyroid and Parathyroid Glands

What is the primary function of the thyroid gland in the human body?

• To regulate blood sugar levels

• To produce hormones that regulate metabolism

• To filter waste from the blood

• To produce white blood cells

Which hormone is primarily produced by the thyroid gland?

• Insulin

• Cortisol

• Thyroxine (T4)

• Adrenaline

Where are the parathyroid glands located?

• On the kidneys

• Behind the thyroid gland

• In the brain

• Near the liver

What is the main role of the parathyroid hormone (PTH)?

• To increase blood calcium levels

• To decrease blood glucose levels

• To regulate blood pressure

• To stimulate red blood cell production

Which of the following conditions is caused by an overactive thyroid gland?

• Hypothyroidism

• Hyperthyroidism

• Diabetes

• Anaemia

What is the effect of calcitonin, a hormone produced by the thyroid gland?

• It increases blood calcium levels

• It decreases blood calcium levels

• It increases blood glucose levels

• It decreases blood glucose levels

Which mineral is essential for the production of thyroid hormones?

• Iron

• Calcium

• Iodine

• Magnesium

What is the condition called when there is an enlargement of the thyroid gland?

• Goitre

• Osteoporosis

• Cushing's syndrome

• Addison's disease

How many parathyroid glands are typically found in the human body?

• Two

• Four

• Six

• Eight

Which of the following is a symptom of hypothyroidism?

• Rapid heartbeat

• Weight loss

• Fatigue

• Increased appetite