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