nervous system Flashcards

0
Q

Agraphia

A

Inability to convert ones thoughts into writing

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1
Q

afferent nerves

A

Transmitters of nerve impulses toward the central nervous system

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2
Q

Analgesia

A

Without sensitivity to pain

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3
Q

Anesthesia

A

Without feeling or sensation

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4
Q

Aphasia

A

Inability to communicate through speech, writing, or signs

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5
Q

Astrocyte

A

A star shaped neurological cell found in the central nervous system

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6
Q

Ataxia

A

Without muscular coordination

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7
Q

Aura

A

Sensation an individual experiences prior to migraine or epileptic seizure

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8
Q

Autonomic nervous system

A

Part of nervous system that regulates vital functions of the body. (Heart, smooth muscle, etc.)

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9
Q

Axon

A

Part of nerve cell that transports nerve impulses away from the nerve cell body

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10
Q

Bradykinesia

A

Abnormally slow movement

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11
Q

Brain stem

A

Stemlike portion of brain that connects the cerebral hemisphere with spinal cord

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12
Q

Burr hole

A

Hole drilled into the skull using a form of drill

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13
Q

Central nervous system

A

One of two main divisions of the nervous system consisting of brain and spinal cord

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14
Q

Cephalagia

A

Pain in the head

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15
Q

Cerebellum

A

Part of the brain responsible for coordinating voluntary muscle movement

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16
Q

Cerebral concussion

A

Brief interruption of brain function, usually with loss of consciousness lasting few seconds

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17
Q

Cerebrospinal fluid

A

Fluid flowing through brain around spinal cord that protects from physical blow

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18
Q

Cerebrum

A

Largest and uppermost part of the brain. Controls consciousness, memory, sensation, emotion, voluntary awareness

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19
Q

Cheyne strokes respirations

A

Abnormal pattern of breathing characterized by periods of apnea follows by deep rapid breathing

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20
Q

Coma

A

A deep sleep in which individual cannot be aroused and does not

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21
Q

Craniotomy

A

Surgical incision into the cranium or skull

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22
Q

Dendrite

A

Projection that extends from the nerve cell body; receives impulses and conducts them into cell body

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23
Q

Dysexia

A

Condition characterized by impairment of ability to read.

24
Q

Dysphasia

A

Difficult speech

25
Q

Efferent nerves

A

Transmitter of nerve impulses away from the central system

26
Q

Epidural Space

A

The space immediately outside of the dura matter that contains supporting cushion of fat and connective tissue

27
Q

Epilepsy

A

Neurological condition characterized by recurrent episodes of sudden brief attacks of seizures

28
Q

Ganglion

A

Knit like mass of nerve tissue found outsid

29
Q

Hemiplegia

A

Paralysis of one half of the body

30
Q

Hyperesthesia

A

Excessive sensitivity to sensory stimuli

31
Q

Lethargy

A

State of being sluggish

32
Q

Lumbar puncture

A

Insertion of hollow needle and stylet into subarachnoid space

33
Q

Meninges

A

The 3 layers of protective membrane that surrounds the brain and spinal cord

34
Q

Microglia

A

Small neurological cells found in the interstitial tissue of the nervous system that engulfs cellular debris, waste products, and pathogens

35
Q

Migraine headache

A

Reaccuring, pulsating, vascular headache on one side of head, slow onset.

36
Q

Multiple sclerosis

A

Degenerative inflammatory disease of central nervous system attacking myelin sheath

37
Q

Myelin sheath

A

Protective sheath that covers the axon of many nerves in the body; it acts as an electrical insulator and helps speed nerve impulses

38
Q

Narcolepsy

A

Uncontrolled sudden attacks of sleep

39
Q

Neuron

A

A nerve cell

40
Q

Oligodenendrocytes

A

A type of neurological cell found in the interstitial tissue of the nervous system; helps form myelin sheath

41
Q

Paraplegia

A

Paralysis of the lower extremities and trunk

42
Q

Peripheral nervous system

A

Part of the nervous system outside the central nervous system. 12 pairs of cranial nerves 31 pairs spinal nerves

43
Q

Petit mal seizure

A

Small seizures in which there are sudden temporary loss of consciousness

44
Q

Romberg test

A

Evaluate cerebellar function and balance

45
Q

Shingles

A

Acute viral infection seen mainly in adults. Inflammatory or spinal or cranial nerve pathways

46
Q

Shunt

A

Tube or passage that diverts or redirects body fluid from one cavity or vessel to another

47
Q

Somatic nervous system

A

Part of the peripheral nervous system that provides voluntary control over skeletal muscles

48
Q

Synapse

A

Space between the end of one nerve and the beginning of another. Nerve impulses transmits

49
Q

Bell’s palsy

A

Temporary or permanent unilateral weakness or paralysis of the muscle in face after teams, infection, or tumor.

50
Q

Carpal tunnel syndrome

A

Pinching or compression of the median nerve within the carpal tunnel due to inflammation or swelling causing pain

51
Q

Cerebral angiography

A

Visualization of cerebral vascular system via x-ray after injection of radiopaque contrast

52
Q

Cerebral palsy

A

Congenital brain damage that is permanent but not progressive

53
Q

Cerebrovascular accidents

A

Death of specific portion of brain tissue. Decrease of blood flow to that area

54
Q

Encephalitis

A

Inflammation of the brain or spinal cord tissue caused by virus that enters CNS when experiencing viral disease

55
Q

Grand mal seizure

A

Epileptic seizure characterized by a sudden loss of consciousness. Involuntary muscle contractions

56
Q

Huntington’s chorea

A

Inherited neurological disease characterized by rapid jerky involuntary movement

57
Q

Hydrocephalus

A

Abnormal increase of cerebrospinal fluid in the brain causes ventricles of brain dilating. Increased head circumference