Question

Increased arousal during competitive sport is indicated by 

A. Dilation of the pupils. 

B. A high resting heart rate. 

C. Increased muscle blood flow. 

D. Decreased sweating. 

E. Tremor.

Answer 1

A. True Due to stimulation of radial dilator fibres by sympathetic nerves. 

B. True Another sympathetic effect. 

C. True Due partly to circulating adrenaline. 

D. False Sweating increases as part of the fight or flight response. 

E. True Another beta sympathetic adrenoceptor response.