CARDIOVASCULAR SYSTEM ACTUAL EXAM
PAPER 2026 QUESTIONS SOLUTIONS
GRADED A+
●● What blood vessel does the right ventricle pump blood through?
Answer: pulmonary trunk to pulmonary arteries
●● Is blood in the right side of the heart oxygenated or deoxygenated?
Answer: deoxygenated
●● What blood vessels bring oxygenated blood into the left atrium?
Answer: the pulmonary veins
●● What is the largest artery in the body? Answer: aorta
●● Arteries are blood vessels that carry blood ________________.
Answer: AWAY from the heart
●● Veins are blood vessels that carry blood ____________________.
Answer: BACK TO THE HEART.
●● What are the only deoxygenated arteries in the adult body? Answer:
the pulmonary arteries.
, ●● what are the only oxygenated veins in the body? Answer: pulmonary
veins
●● Where does gas exchange occur to oxygenate blood? Answer:
pulmonary capillaries
●● What are other names for the left AV valve? Answer: bicuspid valve
or mitral valve
●● What is another name for the Right AV valve? Answer: tricuspid
valve
●● What is the purpose of valves in the heart and in the veins? Answer:
prevent backflow of blood
●● What is the purpose of the semilunar valves? Answer: prevent
backflow of blood into the ventricles
●● What is the purpose of the AV valves? Answer: prevent backflow
into atria when ventricles contract (the picture shows how blood can
flow backward into the atria if this valve is damaged)
PAPER 2026 QUESTIONS SOLUTIONS
GRADED A+
●● What blood vessel does the right ventricle pump blood through?
Answer: pulmonary trunk to pulmonary arteries
●● Is blood in the right side of the heart oxygenated or deoxygenated?
Answer: deoxygenated
●● What blood vessels bring oxygenated blood into the left atrium?
Answer: the pulmonary veins
●● What is the largest artery in the body? Answer: aorta
●● Arteries are blood vessels that carry blood ________________.
Answer: AWAY from the heart
●● Veins are blood vessels that carry blood ____________________.
Answer: BACK TO THE HEART.
●● What are the only deoxygenated arteries in the adult body? Answer:
the pulmonary arteries.
, ●● what are the only oxygenated veins in the body? Answer: pulmonary
veins
●● Where does gas exchange occur to oxygenate blood? Answer:
pulmonary capillaries
●● What are other names for the left AV valve? Answer: bicuspid valve
or mitral valve
●● What is another name for the Right AV valve? Answer: tricuspid
valve
●● What is the purpose of valves in the heart and in the veins? Answer:
prevent backflow of blood
●● What is the purpose of the semilunar valves? Answer: prevent
backflow of blood into the ventricles
●● What is the purpose of the AV valves? Answer: prevent backflow
into atria when ventricles contract (the picture shows how blood can
flow backward into the atria if this valve is damaged)