Question

your grade is the \highest\ of all attempts.
each quiz is worth 20 points.
no back tracking to change answers. no late work accepted.
open book
note: there will be 10 quizzes this semester for a total of 200 points. make each quiz count!
question 1
1 pts
maya burns her fingers while cooking dinner. which of the following divisions of the nervous system will be primarily responsible for the pain she feels?
the central nervous system
the autonomic nervous system
the somatic nervous system
the parasympathetic nervous system

Explanation:

To determine the correct answer, we analyze each option:

• The central nervous system (CNS) consists of the brain and spinal cord. It processes information, including pain signals. When Maya burns her fingers, sensory neurons send signals to the spinal cord and brain (CNS) which interpret the pain.
• The autonomic nervous system controls involuntary functions (like heart rate, digestion) and is not primarily responsible for conscious pain perception from a finger burn.
• The somatic nervous system controls voluntary muscle movements and sensory input from the skin, muscles, etc., but the processing of pain (interpretation) happens in the CNS. However, among the options, the CNS is the main part that processes the pain signal. Wait, correction: Wait, the somatic nervous system is part of the peripheral nervous system and is involved in voluntary actions and sensory reception. But the perception of pain (the conscious feeling) is processed by the central nervous system (brain and spinal cord). Let's re - evaluate:
• The central nervous system (CNS) includes the brain and spinal cord. When a sensory receptor (in the finger) is activated by the burn, the signal is transmitted via sensory neurons to the spinal cord (part of CNS) and then to the brain, where the pain is perceived.
• The autonomic nervous system is for involuntary functions (e.g., regulating organs), so it's not related to pain perception from a finger burn.
• The somatic nervous system is involved in voluntary movement and some sensory input, but the processing of the pain (the conscious experience) is in the CNS.
• The parasympathetic nervous system is a part of the autonomic nervous system, so it's also not related.

So the central nervous system is primarily responsible for the pain she feels as it processes the pain signal.

Answer:

A. The central nervous system