Question 88

Sympathetic and parasympathetic

The terms used to describe the two parts of the autonomic nervous system are sympathetic and parasympathetic. These two divisions play crucial roles in regulating involuntary bodily functions.

A) Dorsal and ventral

This option is incorrect as dorsal and ventral refer to anatomical directions rather than components of the autonomic nervous system. These terms describe positions in relation to the back (dorsal) and front (ventral) of an organism.

B) Pons and medulla

Pons and medulla are parts of the brainstem, not divisions of the autonomic nervous system. They are involved in various regulatory functions, but they do not categorize the autonomic nervous system.

C) Somatic and endocrine

This option is incorrect because somatic refers to the voluntary nervous system that controls skeletal muscles, while endocrine pertains to hormone-producing glands. Neither of these terms describes the autonomic nervous system's functions.

D) Sympathetic and parasympathetic

This is the correct answer as the sympathetic and parasympathetic divisions are the two main components of the autonomic nervous system. The sympathetic system prepares the body for 'fight or flight' responses, while the parasympathetic system promotes 'rest and digest' activities.

E) Neocortex and paleocortex

This option is incorrect since neocortex and paleocortex are terms used to describe different parts of the cerebral cortex in the brain. They are not related to the autonomic nervous system.

Conclusion

The correct answer, sympathetic and parasympathetic, accurately identifies the two divisions of the autonomic nervous system, which are essential for managing involuntary bodily functions. All other options fail to represent the components of the autonomic nervous system and instead refer to unrelated anatomical or physiological terms.