Endocrine System Quiz

What does the endocrine system consist of?

• Only hormone-secreting cells in the brain

• Glands and clusters of hormone-secreting cells in various organs

• Only ductless glands that secrete antigens into the bloodstream

• Only the pituitary gland and hypothalamus

What are hormones?

• Enzymes that influence cellular reactions

• Chemicals that influence almost every cell and organ in the body

• Cells that respond to stimuli in the body

• Blood vessels that carry nutrients

How are endocrine glands different from other glands?

• They have ducts to carry hormones to target cells

• They secrete hormones into the bloodstream directly

• They only secrete hormones outside the body

• They are not different; all glands are endocrine glands

What is the role of the pituitary gland?

• It influences fewer body processes than other endocrine glands

• It influences more body processes than any other endocrine gland

• It has no influence on body processes

• It only influences the reproductive system

Where is the pituitary gland located?

• Above the hypothalamus

• Within the hypothalamus

• Underneath the hypothalamus

• Outside the brain

What hormone is primarily responsible for regulating blood sugar levels?

• Insulin

• Adrenaline

• Cortisol

• Growth Hormone

Which gland is known as the 'master gland'?

• Thyroid

• Adrenal

• Pituitary

• Pancreas

Which hormone is known for its role in the 'fight or flight' response?

• Insulin

• Adrenaline

• Oxytocin

• Estrogen

Which gland is responsible for the regulation of calcium levels in the blood?

• Pituitary gland

• Adrenal gland

• Pineal gland

• Parathyroid gland

Which hormone is essential for growth and development?

• Insulin

• Adrenaline

• Growth Hormone

• Estrogen