Neurologic Dysfunction

Question 0

Neural Systems Vital to Cognitive Function

-Memory and Language system

Answer 0

1. Info is communicated

Question 1

Neural Systems Vital to Cognitive Function

-Attentional System

Answer 1

1. Provide arousal and maintenance of attention over time

Question 2

Neural Systems Vital to Cognitive Function

-Affective or emotive system

Answer 2

1. Mediate mood, emotion, and intention

Question 3

Vegetative State

Answer 3

1. When a person loses cerebral function, the reticular system and brain stem can maintain a crude waking state

Question 4

Disorders above the Tentorial Plate (Supratentorial)

Answer 4

1. Produces changes in arousal by either diffuse or localized dysfunction

Question 5

5 Categories of Neurologic function

Answer 5

1. LOC
2. Pattern of breathing
3. Pupillary reaction
4. Oculomotor responses
5. Motor responses

Question 6

LOC

Answer 6

1. LOC is the MOST CRITICAL clinical index of nervous systen function

Question 7

Post-hyperventilation Apnea

Answer 7

1. Lower brain stem centers regulate the breathing pattern by responding only to changes in PaCo2

Question 8

Cheyne-Stokes Respirations

Answer 8

1. Abnormal pattern of ventilation with alternating periods of tachypnea and apnea

Question 9

Levels Of Altered Consciousness

-Confusion

Answer 9

1. Loss of ability to think rapidly and clearly

2. Impaired judgement and decision making

Question 10

Levels Of Altered Consciousness

-Disorientation

Answer 10

1. Beginning loss of consciousness
2. Disorientation to time followed by disorientation to place and impaired memory
3. Recognition of self is lost last

Question 11

Levels Of Altered Consciousness

-Lethargy

Answer 11

1. Limited spontaneous movement or speech
2. easy arousal w/ normal speech or touch
3. May or may not be oriented X4

Question 12

Levels Of Altered Consciousness

-Obtundation

Answer 12

1. Mild to moderate reduction in arousal.
2. Limited response to environment
3. Falls asleep unless stimulated verbally or tactilely

Question 13

Levels Of Altered Consciousness

-Stupor

Answer 13

1. Condition of deep sleep or unresponsiveness from which person may be aroused or caused to open eyes only by vigorous and repeated stimulation
2. Response is usually withdrawing or grabbing at stimulus

Question 14

Levels Of Altered Consciousness

-Coma

Answer 14

1. No verbal response to external environment or to any stimuli such as deep pain or suctioning do not yield motor movement

Question 15

Levels Of Altered Consciousness

-Light Coma

Answer 15

1. Associated with purposeful movement on stimulation

Question 16

Levels Of Altered Consciousness

Coma

Answer 16

1. Associated with non-purposeful movement only on stimulation

Question 17

Levels of Altered Consciousness

-Deep Coma

Answer 17

1. Associated with unresponsiveness or no response to any stimulus

Question 18

Oculocephalic Reflex Response

-Normal Response

Answer 18

1. Eyes turn together to side opposite from turn of head

Question 19

Oculocephalic Reflex Response

-Abnormal Response

Answer 19

1. Eyes do not turn in conjugate manner

Question 20

Oculocephalic Reflex Response

-Absent response

Answer 20

1. Eyes move in direction of head movement

- BRAIN STEM INJURY

Question 21

Oculovestibular Reflex

Answer 21

1. Ice water is injected into the ear canal

Question 22

Oculovestibular Reflex

-Normal Response

Answer 22

1. Nistagmus and conjugate eye movement

Question 23

Oculovestibular Reflex

-Abnormal Response

Answer 23

1. Non-conjugate eye movement

Question 24

Oculovestibular Reflex | -Absent response

Answer 24

1. No eye movements

Question 25

Brain Death

Answer 25

1. An isoelectric, or flat, EEG for 6-12 hrs in a person who is not hypothermic and has not ingested depressant drugs indicates brain death 2. Brain is damaged so completely that it can never recover and cannot maintain the body's internal homeostasis

Question 26

Cerebral Death (Irreversible Coma)

Answer 26

1. Death of the cerebral hemispheres exclusive of the brain stem and cerebellum 2. Brain stem may continue to maintain internal homeostasis

Question 27

Locked-In Syndrome

Answer 27

1. Complete paralysis of voluntary muscles w/ the exception of eye movement 2. Content of thought and level of arousal are intact - efferent pathways are disrupted.

Question 28

Normal ICP Intra-cranial Pressure

Answer 28

1. 1 to 15 mm Hg