Biology 5090 · O Level · Blood glucose control

Blood glucose control — practice question

Fig. 3.1 illustrates the blood supply reaching the cells in the liver.
(a(i))[2]

Identify the cells labelled C and D in Fig. 3.1.

(a(ii))[3]

The arrow in Fig. 3.1 indicates substances moving from the liver cells into the capillary. Name three substances that travel in the direction shown.

(b(i))[2]

Describe the effect of adrenaline on liver cells.

(b(ii))[1]

State one situation in which this could happen.

(c(i))[2]

Sometimes the liver is unable to remove glucose from the blood. This condition is called diabetes. State two symptoms of this condition.

(c(ii))[1]

State how this condition is managed.

Worked solution & mark scheme

This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: C is a red blood cell / erythrocyte

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