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The Nervous System
Possible Questions for MBLEX
| Question | Answer |
|---|---|
| The functional unit of the nervous system is the__ | neuron |
| Neurons are supported and protected by | neuroglia |
| The CNS process and coordinate sensory input and___ | motor commands |
| Sensors that sense change are | receptors |
| Nerves that carry impulses to the receptors are | afferents |
| Nerves that carry impulses from the CNS to muscles are | efferents |
| Nerves that carry impulses to the brain are | cranial nerves |
| Nerves that carry impulses to and from spinal cord are | spinal nerves |
| Nerves that go to the skeletal muscles comprise the | somatic nervous system |
| Reaction that take place before the stimuli reach conscious level | reflex |
| The part of the nervous system that responsible for smooth muscle,cardiac, and glands is the | autonomic nervous system |
| The neurons body is called | somatic or perikaryon |
| Clusters of nerve cells | ganglia |
| Anons help conduct impulses ____ the cell body | away |
| Dendrites that send impulses __ the cell body | to |
| Synapses is where neurons ____ | communicate with each other |
| Bipolar Neurons can be found in the __ | retina of the eye |
| unipolar Neurons are what kind of neurons | sensory |
| Multipolar Neurons are found in the ___ | skeletal muscle |
| Visceral afferents innervate | organs |
| Somatic afferents carry impulses to the ___of the body | surface |
| Afferents that sense outside the environment are called | exteroceptors |
| Afferent that sense change in the body are | internoceptors |
| Proprioceptors monitor ___ and__ of skeletal muscle. | position and movement |
| Neuroglia are | supporting cells |
| Ependymal cells | produce, circulate, monitor cebral fluid |
| Atrocities create | blood brain barrier |
| Microglia | engulf dead cells and clear regents in CNS |
| Oligodendrites make | myelin |
| Gaps between the myelin is known as | nodes of Ravier |
| Schwartz cells protect the anons from | intestinal fluid |
| Spinal cord is protected by | meninges |
| The coccygeal and denticulate ligaments | stabilize the spinal cord |
| The cervical plexus is located | In the ventri of C1-5 |
| The brachial plexus | C5-T1 |
| Impingement of the brachial plexus is the result of | scalene, pectoralis minor , subclavius |
| Injury to Brachial Plexus at C5, C6 result in a condition called | Erb Duchene palsy or Waiters tip |
| Injury to nerves C5-7 that supply the serratus anterior will cause the scapula to | wing out |
| Which nerves supplies the deltoid and Teresa minor | Axillary, c5-6 |
| Which nerves supply the biceps, brachialis, and coracbrachialis. | Musculocutaneous, C5-7 |
| Which nerves supply extensors of the arm and forarm | radial C5-T1 |
| Which nerves supplies floxor muscles of forearm? | Median ,c6-t1 |
| Which nerves supply flexor muscles that include flexor carpi ulnaris? | ulnar C8- T1C |
| Carpal tunnel syndrome is the result of compression to the ____ nerve | medial |
| Injury to the ular nerve is responsible for which condition? | Claw Hand |
| The nerve that supplies the anterior thigh muscles | femoral, L2-L4 |
| The nerve that supplies the adductors of the thigh | obturator, L2-4 |
| The nerve that supplies hamstrings | Sciatic, L4-S3 |
| The nerve that supplies the flexor of ankle | Tibial |
| The nerve that supplies Bicep fermoris | Common fibular |
| The nerve that supplies the perinium | pudendal |
| When a muscle with an intact nerve supply is stretched it is the stretch___ | reflex |
| Muscle tone is the | normal resisted of the muscle to stretcb |
| Antagonist muscle is inhibited it is called | reciprocal innervation |
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