Y2 Physiology Exam Prep UPDATED Actual Questions and CORRECT Answers
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Course
Y2 Physiology
Institution
Y2 Physiology
Y2 Physiology Exam Prep UPDATED
Actual Questions and CORRECT Answers
Cerebellum - CORRECT ANSWER- if damaged muscle tone decreases and the motor
movements become clumsy
Involuntary coordination of body movements, posture, balance, muscle tone
Gait coordination
Basal Ganglia - CORRECT ANSWER...
Y2 Physiology Exam Prep UPDATED
Actual Questions and CORRECT Answers
Cerebellum - CORRECT ANSWER✔✔- if damaged muscle tone decreases and the motor
movements become clumsy
Involuntary coordination of body movements, posture, balance, muscle tone
Gait coordination
Basal Ganglia - CORRECT ANSWER✔✔- Initiates activity in cerebral cortex
aphasia - CORRECT ANSWER✔✔- impairment of language, usually caused by left
hemisphere damage either to Broca's area (impairing speaking) or to Wernicke's area
(impairing understanding).
Broca's area - CORRECT ANSWER✔✔- Controls language expression - an area of the
frontal lobe, usually in the left hemisphere, that directs the muscle movements involved in
speech.
Wernicke's area - CORRECT ANSWER✔✔- controls language reception - a brain area
involved in language comprehension and expression; usually in the left temporal lobe
Apraxia - CORRECT ANSWER✔✔- inability to perform particular purposive actions, as a
result of brain damage.
Agnosia - CORRECT ANSWER✔✔- the inability to recognize familiar objects.
Parkinson's Disease - CORRECT ANSWER✔✔- Dopamine deficiency in the substantial
nigra of the midbrain
Resting tremor
,Huntington's disease - CORRECT ANSWER✔✔- A human genetic disease caused by a
dominant allele; characterized by uncontrollable body movements and degeneration of the
nervous system; usually fatal 10 to 20 years after the onset of symptoms.
Choreform movements
Benign Paroxysmal Positional Vertigo (BPPV) - CORRECT ANSWER✔✔- a common
cause of vertigo that occurs when there is a shift in the location of small crystals in the
semicircular canals
multiple sclerosis - CORRECT ANSWER✔✔- A chronic disease of the central nervous
system marked by damage to the myelin sheath. Plaques occur in the brain and spinal cord
causing tremor, weakness, incoordination, paresthesia, and disturbances in vision and speech
Alzheimer's disease - CORRECT ANSWER✔✔- a progressive and irreversible brain
disorder characterized by gradual deterioration of memory, reasoning, language, and, finally,
physical functioning
anterior spinothalamic tract - CORRECT ANSWER✔✔- Ascending tract (sensory pathways)
that convey crude touch and pressure
Decussation at level of entry
lateral spinothalamic tract - CORRECT ANSWER✔✔- Ascending tract (sensory pathways)
that convey sensations of pain and temperature
decussation at level of entry
, Posterior leminsicus - CORRECT ANSWER✔✔- Ascending tract (sensory pathways) that
convey precise touch, vibration, and proprioception
Decussation in the medulla
arcuate fasciculus - CORRECT ANSWER✔✔- a bundle of axons that connects Wernicke's
area with Broca's area; damage causes conduction aphasia
spinocerebellar tracts - CORRECT ANSWER✔✔- carry proprioceptive inputs to the
cerebellum
Either don't decussate or decussate twice
Posture, coordination of movement
corticospinal tract - CORRECT ANSWER✔✔- connections between brain and spine
Descending pathways that always decussate in the brain stem (medulla/pons)
rubrospinal tract - CORRECT ANSWER✔✔- Extrapyramidal motor tract responsible for
motor input of gross postural tone, facilitating activity of flexor muscles, and inhibiting the
activity of extensor muscles
vestibulospinal tract - CORRECT ANSWER✔✔- extrapyramidal motor tract for ipsilateral
gross postural adjustments subsequent to head movements
Balance
medullary reticulospinal tract - CORRECT ANSWER✔✔- A tract originating in the
medullary reticular formation and terminating in the spinal cord; involved in the control of
movement.
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