Chalker-Harris - Introduction to the nervous system

Neural pathways that carry messages TO the brain

• Sensory

• Motor

Neural pathways that carry messages AWAY from the brain.

• Afferent

• Efferent

Neural pathways that carry messages TO the brain

• Afferent

• Efferent

Neural pathways that carry messages AWAY from the brain.

• Sensory

• Motor

The two largest divisions of the nervous system are the

• parasympathetic and sympathetic.

• central and peripheral.

• afferent and efferent.

• autonomic and somatic.

• somatic and sympathetic.

Sensory neurons are primarily responsible for which of the following?

• Moving voluntary muscle.

• Activating the fight or flight response.

• Bringing sensory information from the sensory organs to the central nervous system.

• Maintaining the rest or digest response.

• Keeping the heart beating.

Which of the following is NOT true of reflexes?

• They are automatic and do not require consciousness.

• Many, like the "pull away your hand" or "jerk your knee" reaction, originate in the spinal cord.

• Most occur before you even think about it.

• They originate in the brain and are voluntary.

• Many are evolved reactions meant to keep the body safe.

The brain and the spinal cord make up which of the following divisions of the nervous system?

• Peripheral

• Central

• Somatic

• Autonomic

• Sympathetic

Which system is made up of the nerves and the senses?

• Central Nervous System

• Peripheral Nervous System

Which part of the nervous system is the central command center of the body?

• Brain

• Spinal Cord

• Neuron

• Dendrite

• Axon