6.6 Lesson 4 Quiz

What is the primary component of the plasma in human blood?

• Water

• Proteins

• Glucose

• Red blood cells

What is the primary function of platelets in the blood?

• To carry oxygen

• To help in clotting

• To transport nutrients

• To carry waste products

What is the main role of blood plasma?

• Transporting oxygen

• Carrying blood cells

• Transporting nutrients and carrying waste products

• Producing white blood cells

What happens to blood when it sits still after being drawn from a body?

• It coagulates immediately

• The plasma rises to the top and blood cells settle at the bottom

• It separates into plasma and platelets only

• The blood cells dissolve into the plasma

During a biology class, Michael accidentally cuts his finger with a scalpel. The teacher uses this opportunity to explain the primary function of platelets in the blood. What is it?

• To carry oxygen

• To help in clotting

• To transport nutrients

• To carry waste products

What is the primary function of white blood cells in the human body?

• To carry oxygen

• To clot blood

• To fight infections

• To carry nutrients

How do components other than blood cells move through the blood vessels?

• They are too large to move freely

• They move attached to red blood cells

• They move freely in the blood plasma

• They do not move and stay in one place

Which component of blood is primarily responsible for clotting?

• Red blood cells

• White blood cells

• Plasma

• Platelets

What does blood consist of?

• plasma, red blood cells, white blood cells, platelets
• hormones, oxygen, nutrients, water
• red blood cells
• carbon dioxide and minerals

What color is plasma?

• purple

• red

• yellow

• green