The Neurological Exam Flashcards
Define validity
the quality of being logically or factually sound
Define reliability
the quality of producing the same results repeatedly
_______ measures the proportion of actual positives which are correctly identified as such.
_______ the proportion of negatives which are correctly identified as such.
Sensitivity
Specificity
Sensitivity is aka as the true _____.
Specificity is aka as the true _____.
negative
What things must be assessed during the functional assessment?
(Think MR CLOCK)
- Memory
- Reasoning
- Consciousness
- Language
- Orientation
- Calculation
- Knowledge
Short-term memory is considered normal if the patient is able to recall a set of words after how long?
5 minutes
When is long-term memory considered normal?
When a patient is able to correctly recall facts about the past
Abstract reasoning is a function of which lobe?
The frontal lobe
Deficits in abstract reasoning may indicate what?
dementia
What conscious state can be defined as arousable with repeated stimulation?
obtunded
A patient who requires a painful stimulus for arousal is considered to be in what conscious state?
Stuporous (light coma)
A patient that is unable to be aroused regardless of stimulus is considered to be in what conscious state?
Comatose (deep coma)
For the Glasgow Coma Scale, a patient is assigned a score up to 15 points based on responses to 3 areas, what are these 3 areas?
- Eye opening
- Verbal responses
- Motor responses
According to the Glasgow coma scale a score less than __ is considered a coma
8
What are the 3 types of aphasia?
- Receptive
- Expressive
- Global
What is receptive aphasia aka?
Wernicke’s aphasia
Describe receptive/Wernicke’s aphasia
Patients have difficulty comprehending language
Where is Wernicke’s area located?
On the posteriosuperior aspect of the temporal lobe in the dominant hemisphere
What is expressive aphasia aka?
Broca’s
Describe expressive/Broca’s aphasia
Patients have difficulty producing spoken language
Where is Broca’s area located?
In the inferior aspect of the frontal lobe of the dominant hemisphere just anterior to primary motor strip
What is global aphasia?
A combination of receptive and expressive aphasia
Dysarthria is associated with what?
cerebellar disease
Dysphonia is associated with what?
CN X dysfunction
What is the difference between dysarthria and dysphonia?
- Dysarthria patients have problems with speech articulations
- Dysphonia patients have difficulties with sound production
What refers to a patient’s knowledge of the present circumstances?
Orientation
What is the typical presentation of a lesion in the brain (CVA, TBI, or tumor)
unilateral somatosensory deficits on opposite side of lesion
What is diabetes mellitus?
A metabolic disease in which the body fails to produce or adequately use insulin
What is MS?
A progressive autoimmune disease that causes demyelination of the axons in the CNS
What is Guillain-Barré syndrome?
A nonprogressive autoimmune disease in which demyelination of axons in PNS occurs
What is Hansen’s disease?
A chronic bacterial infection (aka leprosy) that primarily affects skin and peripheral nerves.
What are the 3 main sensory systems that require screening?
- Visual
- Vestibular
- Somatosensory