Nervous System – Physiology (Nursing)

Question 1

• contains the Brain and Spinal cord
• receives sensory input and delivers motor output

Answer 1

Central nervous system (CNS)

Question 2

• contains the nerve and ganglion
• delivers information to the CNS and responsible for motor output

Answer 2

Peripheral nervous system (PNS)

Question 3

2 parts of PNS

Answer 3

Somatic nervous system
and Autonomic nervous system

Question 4

responsible to voluntary movement and associated with the skeletal muscle

Answer 4

Somatic nervous system

Question 5

responsible for involuntary movement and associated with smooth muscle, cardiac muscle, and glands.

Answer 5

Autonomic nervous system

Question 6

interacting in the neurons

Answer 6

Synapse

Question 7

Cell body

Answer 7

soma

Question 8

receive information in the neurons

Answer 8

Dendrites

Question 9

allows conduction of nerve impulses

Answer 9

Myelin sheath

Question 10

carries nerve impulses away from the cell body. The output for nuerons

Answer 10

Axon

Question 11

periodic gap in the insulating sheath (myelin) on the axon of certain neurons that serves to facilitate the rapid conduction of nerve impulses.

Answer 11

node of Ranvier

Question 12

• Rest or Digest
• Smooth muscle, cardiac muscle, and
  glands

Answer 12

Parasympathetic Nervous System

Question 13

• Fight or Flight
• Smooth muscle, cardiac muscle, and glands

Answer 13

Sympathetic
nervous system

Question 14

• embedded in the lining of the gastrointestinal system, beginning in the esophagus and extending down to the anus.
• Smooth muscle and glands of GI tract

Answer 14

Enteric nervous system

Question 15

• responsible for providing synapses between neurons.
• contains specialized chemicals called neurotransmitters that are initially contained inside the synaptic vesicles.

Answer 15

Axon Terminal

Question 16

Functions of the Nervous System

Answer 16

1. Sensory - sense changes through sensory receptors
2. Motor - respond to stimuli
3. Integrative - analyze incoming sensory information, store some aspects, and make decisions regarding appropriate behaviors

Question 17

• Electrically excitable
• The fundamental units of the brain and nervous system,

Answer 17

Neurons

Question 18

Neurons can be classified based on the number of processes extending from the cell body. What are the 3 types of Structural Classification of Neurons?

Answer 18

1. Multipolar neuron
2. Bipolar neuron
3. Unipolar neuron