Homeostasis and Biological Processes Quiz

What is the definition of homeostasis?

• The synthesis of proteins

• The breakdown of glucose for energy

• The process of cell division

• The maintenance of a constant internal environment

What is the role of negative feedback in homeostasis?

• To amplify changes in the body

• To increase blood pressure

• To initiate cell division

• To maintain conditions at a set point

Which hormone is responsible for lowering blood glucose levels?

• Insulin

• Thyroxine

• Adrenaline

• Glucagon

Where are the hormones insulin and glucagon produced?

• Liver

• Pancreas

• Adrenal glands

• Kidneys

What happens when blood glucose levels are too low?

• Thyroxine is produced

• Insulin is secreted

• Adrenaline is released

• Glucagon is secreted

What is glycogen?

• A hormone

• A polysaccharide glucose is stored as

• A type of protein

• A lipid molecule

What is the primary function of insulin?

• To break down fats

• To stimulate protein synthesis

• To decrease blood glucose levels

• To increase blood glucose levels

Which organ stores glycogen?

• Kidneys

• Pancreas

• Liver

• Heart

What is the effect of glucagon on the liver?

• It stimulates the liver to store glucose as glycogen

• It causes the liver to release glucose into the blood

• It increases protein synthesis in the liver

• It decreases the production of bile

What is a common mistake students make regarding glucagon and glycogen?

• Thinking glycogen is a hormone

• Confusing glucagon with glucose

• Mixing up the terms glucagon and glycogen

• Confusing glycogen with insulin