Exam (elaborations) Kiersten's NU110

Kiersten's NU110
Exam 4 Review

, Reflex - CORRECT ANSWERS-An INVOLUNTARY RAPID RESPONSE to damaging
stimuli

What are the two divisions of the nervous system? - CORRECT ANSWERS-CENTRAL
Nervous System (CNS) and PERIPHERAL Nervous System (PNS)

What is included in the Central Nervous System (CNS)? - CORRECT ANSWERS-Brain
and spinal cord

What is included in the Peripheral Nervous System (PNS)? - CORRECT ANSWERS-
Cranial nerves and spinal nerves

What are the divisions of the Peripheral Nervous System (PNS)? - CORRECT
ANSWERS-The SOMATIC nervous system and AUTONOMIC nervous system

Effector - CORRECT ANSWERS-Any tissue or organ that CARRIES OUT A
COMMAND from the nervous system

Autonomic Nervous System - CORRECT ANSWERS-INVOLUNTARY Peripheral
Nervous System (PNS) - smooth/cardiac muscle, glands

Somatic Nervous System - CORRECT ANSWERS-VOLUNTARY Peripheral Nervous
System (PNS) - SKELETAL MUSCLE

Neurons - CORRECT ANSWERS-Functional cells of the nervous system

Dendrites - CORRECT ANSWERS-Neuron fibers that CONDUCT impulses TO the cell
body

Axons - CORRECT ANSWERS-Neuron fibers that CONDUCT impulses AWAY from the
cell body

Receptors - CORRECT ANSWERS-RECEIVE a STIMULUS that begins a neural
pathway

Myelin - CORRECT ANSWERS-WHITE FATTY substance that covers the axon in a
SHEATH, INSULATES and PROTECTS the axon, SPEEDS nerve impulses

What is the difference between white and gray matter - CORRECT ANSWERS-White
matter is covered in myelin

Types of Neurons - CORRECT ANSWERS-Sensory neurons, motor neurons, and
interneurons

Sensory neurons - CORRECT ANSWERS-Aka AFFERENT, conduct impulses TO brain
and spinal cord (CNS)