Spinal Nerves Word Scramble
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Term | Information |
central part of cell where nucleus is found | cell body |
usually multiple and short, carry impluses toward cell bodies. | dendrite |
single process, usu. long, carries impulses away from cell body | axons |
CNS | made up of brain and spinal cord |
PNS | spinal nerves, cranial nerves, and associated ganglia. |
Controls voluntary activities, skeletal muscles | Somatic nervous system |
Controls involuntary activities, smooth and cardiac muscles, glands | Autonomic nervous system |
How many pairs of spinal nerves are there? | 31 |
How many pairs of cervical spinal nerves are there? | 8 |
ulnar and median nerves both are in what plexus? What do they do? | supply muscles of forams and hiands. supply skin of thumbs |
Where does the spinal nerve C1 exit the vertebral column? | Exits between the occipital bone and C1. |
How are the spinal nerves from T1 down named? | Named according to the vertebrae located above them. |
Where would the spinal nerve L4 exit? | between L4 and L5 |
Spinal nerves are formed by the union of what two things? | ventral and dorsal root |
Ventral root consist of what type of nerve fibers and which direction to they carry impulses? | Motor or efferent fibers, carry impulses away from CNS |
Dorsal root consists of what type of fiber and what direction do they carry impulses? | sensory or afferent fibers, carry impulses toward CNS. |
The radial nerves are in what plexus? They supply what? | Thumb, and posterior muscles or arms and skin of forearms and hands....triceps??? |
Which nerves are segmented? | thoracic nerves |
Cervical plexus is formed by the ventral rami of which nerves? | C1-C5 |
Bracial plexus is formed by which ventral rami? | C5-T1 |
Lumbar plexus is make up of which ventral rami? | T12-L4 |
Sacral plexus is made up of which ventral rami? | L4-S5 |
Area of skin innervated by the sensory fibers of a given spinal nerve? | Dermatomes |
Responsible reception, integration, and transmission of nerve impulses. | neuron |
Responsible for supporting and protecting neurons. | neuroglial cells |
What is the longerst nerve in the body? Does it extend for L3, L4, and L5? True or False | Sciatic: True |
The Sciatic nerves do not supply muscles to the skin of thigh, legs, and feet. True or False | False |
Femoral nerves supply impulses to muscles to anterior thigh and sensory impuleses from the skin of thighs and legs | True |
above the knee is the leg | false |
the orbitor nerves supply motor impulses to what part of the body | thigh |
Created by:
justice2
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