Understanding Endocrine Glands

What is the primary function of the endocrine system?

• To digest food and absorb nutrients.

• To facilitate gas exchange in the lungs.

• To regulate bodily functions through hormone secretion.

• To provide structural support to the body.

Name the major endocrine glands in the human body.

• Pituitary gland, thyroid gland, adrenal glands, pancreas, ovaries, testes

• kidneys

• spleen

• liver

What hormone is produced by the pancreas and regulates blood sugar?

• Insulin

• Glucagon

• Adrenaline

• Cortisol

Which gland is known as the 'master gland' of the endocrine system?

• adrenal gland

• pancreas

• pituitary gland

• thyroid gland

What hormone is responsible for the fight-or-flight response?

• Cortisol

• Testosterone

• Insulin

• Adrenaline (epinephrine)

How do hormones travel throughout the body?

• Hormones move through the air like gases.

• Hormones travel through the bloodstream.

• Hormones are transmitted via nerve impulses.

• Hormones travel through the lymphatic system.

What is the role of the thyroid gland in metabolism?

• The thyroid gland is responsible for producing red blood cells.

• The thyroid gland produces insulin to regulate blood sugar levels.

• The thyroid gland regulates metabolism by producing hormones that control the body's metabolic rate.

• The thyroid gland helps in digestion by secreting digestive enzymes.

What triggers the secretion of hormones from endocrine glands?

• Environmental factors

• Physical exercise

• Dietary changes

• Hormonal signals, changes in blood composition, and neural signals.

How does negative feedback regulate hormone levels?

• Negative feedback maintains hormone levels by adjusting production based on current hormone concentrations.

• Negative feedback only occurs in response to external stimuli.

• Negative feedback increases hormone levels regardless of concentration.

• Negative feedback has no effect on hormone production.

What is the function of adrenal hormones during stress?

• Adrenal hormones decrease heart rate and promote relaxation.

• Adrenal hormones prepare the body for 'fight or flight' by increasing energy availability and regulating metabolism.

• Adrenal hormones are responsible for digestion during stress.

• Adrenal hormones help the body to sleep better during stressful situations.