5. What is the function of the red blood cells in the body?
Right pulmonary veins
a. Cause blood clot
b. Carry oxygen to the cells in all parts of the body
Right atrium
c. Help white blood cells to flow
Right ventricle
d. Destroy the bacteria that enters the body
6.The blood that contains most oxygen is the blood
a. Going to the lungs b. Coming from the lungs c. Flowing in the veins d. Going to the lungs
7. Which of these habits is not good for the heart?
a. Sleep the number of hours required for your age b. Have a rest after work and play
c. Eat too much fatty foods
d. Have a regular health check-up
8.Which part of the circulatory system serves as a pump that keeps the blood moving?
a. Arteries
b. Blood
c. Heart
d. Veins
9.What allows the movement of the blood in and out of the heart?
a. Contraction and relaxation of the atria or auricles b. Contraction and relaxation of the lungs
c. Contraction and relaxation of the blood vessels d. Contraction and relaxation of the heart muscles
10.The following should be avoided by a pregnant woman to prevent her baby from congenital heart disease except one:
a. unprescribed medicines
C. exposure to radiation
b. viral infection like German measles
d. nutritious food and exercise
11. A person with coronary artery disease may have a heart attack and experience the following except one.
a. High fever
b. Difficulty in breathing c. intense chest pain d. profuse sweating
12.All arteries in the body carry oxygenated blood while all veins carry deoxygenated blood except the
a. Urinary artery and urinary vein
b. Coronary artery and coronary vein
c. Pulmonary artery and pulmonary vein d. Digestive artery and digestive vein
13. How do you keep your blood pressure normal?
a. Eat fatty foods b. Exercise and watch your diet c. Practice self-medication d. Stay outdoors late at night
14.Which of the following prevents the clogging and hardening of the arteries?
1) Eat fatty and salty foods. 2) Eat fruits and vegetables 3) Eat the right kind and amount of food 4) Exercise regularly
a. 2 & 3
b. 1& 4
c. 3 & 4
d. 2 & 4
15. Which part of the blood helps stop wounds from bleeding?
Whitehead wolled plasma​