continuation of LESSON 3

Question 1

• nerves carrying both sensory & motor impulses
  Examples: spinal nerves

Answer 1

MIXED NERVES

Question 2

• carry impulses toward the CNS only

Answer 2

AFFERENT/SENSORY NERVES

Question 3

• convey impulses from the CNS only

Answer 3

EFFERENT/MOTOR

Question 4

The Nervous System has two main types of cells:

Answer 4

NEURONS & NEUROGLIA

Question 5

• the basic functional unit of
  the nervous system

Answer 5

neurons

Question 6

• the basic functional unit of the nervous system

Answer 6

neuroglia

Question 7

• increase the rate of nerve impulse conduction

Answer 7

myelin sheath in axons

Question 8

neurons according to function:

Answer 8

sensory or afferent
motor or efferent
association or interneurons

Question 9

neurons according to structure:

Answer 9

unipolar, bipolar or multipolar neurons

Question 10

have a cell body where the nucleus is located, axon and dendrite

Answer 10

neuron

Question 11

• the general term for any neuronal process or extension be it a dendrite or an axon

Answer 11

nerve fiber

Question 12

• bundle of many nerves

Answer 12

nerve fiber

Question 13

• bundle of nerve fibers

Answer 13

tracts

Question 14

• small collections of cell bodies in the PNS

Answer 14

ganglia

Question 15

• Connective tissue sheaths that surround each nerve fiber/axon are called

Answer 15

endoneurium

Question 16

• surrounds bundle of fascicles

Answer 16

perineurium

Question 17

• surround an entire nerve

Answer 17

epineurium

Question 18

nerve fibers according to function:

Answer 18

general somatic afferent fibers,
general somatic efferent fibers,
general visceral afferent fibers
general visceral efferent fibers

Question 19

nerve fiber according to nerve impulse transmission:

Answer 19

mixed nerves
afferent/sensory nerves
efferent/motor nerves