| Date | November 2017 | Marks available | 1 | Reference code | 17N.1.SL.tz0.5 |
| Level | Standard Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | Which | Question number | 5 | Adapted from | N/A |
Question
Which are involved in neural control of ventilation?
A. Sinoatrial and atrioventricular nodes
B. Lung stretch receptors and chemoreceptors
C. Adrenaline and breathing rate
D. Diaphragm and accessory muscles
Markscheme
B
Examiners report
A mid-difficulty question with a good discrimination index. A was the main distractor.
