| Date | May 2010 | Marks available | 1 | Reference code | 10M.1.HL.TZ1.35 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Identify | Question number | 35 | Adapted from | N/A |
Question
What occurs during the blood clotting process?
A. Prothrombin is converted into thrombin which activates fibrinogen.
B. Prothrombin is converted into thrombin which activates fibrin.
C. Fibrinogen is converted into fibrin which activates prothrombin.
D. Fibrinogen is converted into fibrin which activates thrombin.
Markscheme
A
Examiners report
This question would have read more clearly if instead of "activates‟ "acts on‟ had been used. This question did turn out to be a very good discriminator.
