Homeostasis and Body Functions Quiz

What is homeostasis?

• The maintenance of a stable internal environment

• The process of respiration

• The ability to detect stimuli

• The breakdown of glucose

Which organ monitors and controls blood glucose levels?

• Kidney

• Liver

• Pancreas

• Stomach

What hormone is released when blood sugar levels are too high?

• Glucagon

• Insulin

• Adrenaline

• Oestrogen

How does the body respond when blood glucose levels are too low?

• Insulin is released to store glucose as glycogen

• The pancreas stops producing hormones

• Glucagon is released to convert glycogen into glucose

• The liver releases insulin

Which part of the brain controls body temperature?

• Cerebrum

• Cerebellum

• Hypothalamus

• Medulla

What happens when body temperature rises above normal?

• Blood vessels constrict

• Sweat production decreases

• Sweat glands release more sweat

• Hairs on the skin stand up

Which of the following is a reflex action?

• Deciding to move your arm

• Writing a sentence

• Blinking when something comes close to your eye

• Remembering a fact

What is the role of sensory neurons?

• Carry impulses from the CNS to effectors

• Detect stimuli and carry impulses to the CNS

• Produce hormones

• Control voluntary movement

Which hormone is responsible for preparing the body for ‘fight or flight’?

• Insulin

• Oestrogen

• Glucagon

• Adrenaline

How do kidneys help regulate water balance?

• By filtering blood and reabsorbing water as needed

• By producing insulin

• By breaking down proteins

• By releasing adrenaline