Functions of Blood and the Immune System Quiz

What is one of the key functions of blood?

• Transportation of oxygen

• Protection

• Regulation of body temperature

• Digestion

What type of cells are white blood cells?

• Red blood cells

• Nerve cells

• Platelets

• Immune system cells

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What do lymphocytes produce to target pathogens?

• Hormones

• Antibodies

• Enzymes

• Vitamins

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What is the role of histamine in allergic reactions?

• To improve digestion

• To increase blood pressure

• To cause coughing and sneezing

• To decrease heart rate

Where are white blood cells created?

• In the pancreas

• In the liver

• In the bone marrow

• In the spleen

What is pus primarily composed of?

• Red blood cells

• White blood cells

• Plasma

• Platelets

What percentage of blood do white blood cells make up?

• 25%

• 1%

• 50%

• 10%

What is the purpose of a vaccine?

• To decrease white blood cell count

• To increase red blood cell count

• To stimulate an immune response

• To cause illness

What do platelets do when a blood vessel is damaged?

• They dissolve

• They group together

• They produce hormones

• They release antibodies

What is a sign that your immune system is working?

• A headache

• A fever

• A rash

• A cough

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