Nervous System

Question 1

Perceives sensations, commands skilled movements, provides awareness of emotions and necessary for memory, thinking, language abilities and other higher mental functions

Answer 1

Cerebrum

Question 2

Anatomical Classification of Cerebrum

Answer 2

Frontal
Parietal
Temporal
Occipital
Limbic
Insular

Question 3

Functional Classification of Cerebrum

Answer 3

Brodmann Classification

Question 4

Descending pathways in the cerebral cortex and brainstem which activate LMN

Answer 4

UPPER MOTOR NEURON

Lesion:
spastic
(+) clonus
(+) pathologic reflexes
increased muscle tone
(-) atrophy
(-) fasciculations

Question 5

Final common pathways for the control of skeletal muscle activity:

muscle cell in the anterior gray horn of the spinal cord

motor nuclei of the cranial nerves

Answer 5

LOWER MOTOR NEURON

Lesion:
flaccid
(+) atrophy
(+) fasciculations
(-) clonus
(-) pathologic reflexes
decreased muscle tone