3.10 Nervous sytem

Question 1

A patient experiences numbness in their legs due to nerve damage. How might this affect their ability to move and sense their environment?

Answer 1

Nerve damage can disrupt the transmission of signals between the legs and the brain, leading to a loss of sensation (numbness) and impaired motor function. This can result in difficulty walking, maintaining balance, and responding to environmental stimuli, increasing the risk of falls and injury

Question 2

The central nervous system consists of the brain and spinal cord.

Answer 2

true

Question 3

Discuss the impact of chronic stress on the nervous system.

Answer 3

Chronic stress activates the sympathetic nervous system, leading to prolonged release of stress hormones like cortisol. This can result in a range of negative effects, including anxiety, depression, impaired cognitive function, and increased risk of neurological disorders. Long-term activation can also affect immune response and cardiovascular health.