| Date | November 2015 | Marks available | 1 | Reference code | 15N.1.HL.TZ0.24 |
| Level | Higher level | Paper | Paper 1 | Time zone | TZ0 |
| Command term | Question number | 24 | Adapted from | N/A |
Question
How does the hypothalamus respond to a very high body temperature?
A. Increases muscle contraction
B. Stops receiving sensory input
C. Causes dilation of skin arterioles
D. Slows the heart rate
Markscheme
C
Examiners report
Most candidates answer this question well, although the question stated body temperature instead of blood temperature.
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