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Edexcel A-Level Biology AS 1.7 Blood Vessel Structure and Function Questions

Practise labelling arteries, veins and capillaries, linking vessel materials to pressure and exchange, and interpreting blood-flow measurements with marked evidence.

Syllabus
First assessment 2019
Course
Biology YBI11
Level
AS

Exam points

  • Label arteries, veins and capillaries through wall layers, lumen size and valves.
  • Explain how elastic fibres, collagen and smooth muscle support blood-vessel function.
  • Calculate lumen-to-wall ratios or cross-sectional areas from blood-vessel measurements.

Edexcel A-Level Biology AS 1.7 Blood Vessel Structure and Function Questions question 1

[Maximum number: 2]

Question (a)

(a)

The diagram shows the internal structure of a mammalian heart.

Figure for Question (a) — Edexcel A-Level Biology AS
[ 2 ]

Question (i)

(i)

How many of the following are correct for blood vessel P?
- carries blood to the heart
- has valves along its length
- has an endothelial lining

A

0

B

1

C

2

D

3

[ 1 ]

Question (ii)

(ii)

Why is blood vessel Q classified as an artery?

A

because it carries deoxygenated blood

B

because it carries oxygenated blood

C

because it carries blood away from the heart

D

because it carries blood back to the heart

[ 1 ]
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