Human Transport Quiz

 Which line states the correct names for structures X and Y?

• A

• B

• C

• D

 The diagram shows a heart at a point in the cardiac cycle. Which of the following is correct?

• the atria are contracting and blood is flowing into the ventricles

• the atria are contracting and blood is flowing into the veins

• the ventricles are contracting and blood is flowing into the arteries

• the ventricles are contracting and blood is flowing into the atria

A student suggested the following risk factors for coronary heart disease.

1. high fat diet

2. smoking

3. lack of vitamin A

Which of the suggested risk factors for heart disease are correct?

• 1 and 2

• 1 and 3

• 2 and 3

• 1, 2 and 3

Which line correctly states some of the properties of arteries?

• A

• B

• C

• D

 The diagram shows two blood cells. Which line identifies cell X and Y?

• A

• B

• C

• D

Which of the following correctly states the response of white blood cells to infection?

• lymphocytes release antibodies

• lymphocytes release antigens

• phagocytes release antibodies

• phagocytes release antigens

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

• To digest food

• To produce hormones

• To fight infections

• To transport oxygen

Which of the following statements about veins is correct?

• Veins carry blood away from the heart

• Veins transport oxygen-rich blood

• Veins have thick muscular walls

• Veins have valves to prevent backflow

Which component of blood is primarily responsible for clotting?

• Red blood cells

• White blood cells

• Platelets

• Plasma

What is the main function of plasma in the blood?

• To form blood clots

• To fight infections

• To transport nutrients and hormones

• To carry oxygen