Understanding Homeostasis

What is meant by 'Homeostasis'?

• regulation of internal body

• monitoring of body condition

• keeping levels high in body

• keeping levels low in body

What is the primary hormone responsible for lowering blood glucose levels in the body?

• Glucagon

• Insulin

• Adrenaline

• Cortisol

Which organ is primarily responsible for regulating blood glucose levels?

• Liver

• Pancreas

• Kidney

• Heart

In the context of thermoregulation, what is the role of negative feedback?

• To amplify changes in body temperature

• To maintain a stable internal temperature

• To increase body temperature only

• To decrease body temperature only

Which of the following is a response to a decrease in body temperature?

• Sweating

• Vasodilation

• Shivering

• Increased heart rate

What is the main function of osmoregulation in the kidneys?

• To regulate blood pressure

• To balance water and salt levels

• To produce red blood cells

• To detoxify the blood

What happens to blood glucose levels after eating a meal high in carbohydrates?

• They decrease

• They remain constant

• They increase

• They fluctuate randomly

Which hormone is released when blood glucose levels are too low?

• Insulin

• Glucagon

• Thyroxine

• Oestrogen

How does the body respond to high external temperatures in terms of thermoregulation?

• By shivering

• By vasoconstriction

• By sweating

• By increasing metabolic rate

Which hormone is responsible for osmoregulation?

• Antidiuretic

• Adrenaline

• Angiotensin

• Aldosterone