Factors Affecting Blood Flow Quiz

What are the factors that affect blood pressure?

• Gender, height, weight, and race.

• Favorite color, favorite food, and favorite movie.

• Age, family history, physical activity, diet, stress, smoking, alcohol consumption, and certain medical conditions.

• Hair color, eye color, and shoe size.

Why is blood viscosity important for blood flow?

• To regulate the body temperature

• To change the color of the blood

• To affect the resistance to flow

• To increase the oxygen-carrying capacity of blood

How is blood flow regulated in the body?

• Through the process of osmosis

• By the contraction and relaxation of muscles

• By the exchange of gases in the lungs

• Through a combination of neural, hormonal, and local mechanisms

Which factor does not affect blood flow?

• Diameter of the blood vessels

• Color of the blood

• Temperature of the blood

• Viscosity of the blood

What happens to blood flow when blood vessel diameter decreases?

• Blood flow increases

• Blood flow remains the same

• Blood flow becomes turbulent

• Blood flow decreases

How does blood viscosity affect blood pressure?

• Low blood viscosity increases blood pressure.

• Blood viscosity has no effect on blood pressure.

• Blood viscosity decreases blood pressure.

• High blood viscosity increases blood pressure.

What is the primary function of blood vessels in regulating blood flow?

• Producing red blood cells

• Transporting oxygen and nutrients

• Filtering waste products

• Controlling the diameter of the vessels

What happens to blood flow when blood vessel diameter increases?

• Blood flow decreases

• Blood flow increases

• Blood flow becomes thicker

• Blood flow remains the same