Biology 5090 · O Level · Heart

Heart — practice question

The heart is shown in the diagram. The vessel marked F can be seen narrowing, as illustrated.
(a(i))[1]

What is the name of blood vessel F?

(a(ii))[1]

What disease is caused when this blood vessel becomes narrower?

(a(iii))[3]

State three factors that may cause this blood vessel to narrow.

(a(iv))[5]

Suggest and explain the ways in which a person could be affected by the disease caused by the narrowing of blood vessel F.

(b)[3]

Suggest what inflating the balloon does, and why the hollow metal mesh is left inside the blood vessel.

Worked solution & mark scheme

This 13-mark question has a full step-by-step worked solution and mark scheme. One marking point: the coronary artery

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI