Components of Blood

What is the liquid matrix of blood called?

• plasma

• serum

• lymph

• hemoglobin

What percentage of plasma is water?

• 90

• 50

• 70

• 30

What are the main solutes found in plasma?

• gases, nutrients, proteins, electrolytes, hormones

• only water and glucose

• red blood cells and platelets

• DNA and RNA

What are thrombocytes also known as?

• Platelets

• Red blood cells

• White blood cells

• Plasma

Thrombocytes make up less than what percentage of blood volume?

• 1

• 5

• 10

• 20

What is the job of thrombocytes?

• To clot damaged blood vessels (called hemostasis)

• To transport oxygen in the blood

• To fight infections in the body

• To produce hormones

What are leukocytes also known as?

• White blood cells

• Red blood cells

• Platelets

• Plasma

Leukocytes make up less than what percentage of blood volume?

• 1

• 5

• 10

• 20

What is the main job of leukocytes?

• Defense against disease

• Transport of oxygen

• Production of hormones

• Digestion of food

How many main types of leukocytes are there?

• 5

• 3

• 6

• 4