A.1.1.2 The endocrine system and regulation

What is the primary function of the endocrine system?

• Regulate body temperature

• Filter blood through kidneys

• Release hormones into the bloodstream

• Control muscle contractions

Which gland is known as the 'master gland'?

• Pituitary Gland

• Adrenal Glands

• Thyroid Gland

• Pancreas

What type of hormone is insulin?

• Fat-soluble hormone

• Amino acid derivative

• Peptide hormone

• Steroid hormone

Which hormone is responsible for regulating blood sugar levels?

• Cortisol

• Adrenaline

• Glucagon

• Insulin

What is the role of the thyroid gland?

• Controls stress response

• Regulates metabolism and energy production

• Regulates calcium levels

• Stimulates growth

How do peptide hormones typically exert their effects?

• By binding to surface receptors

• By passing through cell membranes

• By increasing blood pressure

• By altering gene expression directly

What is the function of adrenaline during stress?

• Decreases heart rate

• Increases blood sugar levels

• Reduces energy production

• Promotes sleep

Which hormone is secreted by the adrenal glands?

• Cortisol

• Testosterone

• Thyroxine

• Insulin

What is the primary function of glucagon?

• Lowers blood glucose levels

• Stimulates glucose release from the liver

• Increases insulin sensitivity

• Regulates metabolism

What does the antidiuretic hormone (ADH) regulate?

• Blood sugar levels

• Water retention

• Metabolism

• Growth