Organization Of Nervous System II

Question 1

What are the components of the Basal Ganglia

Answer 1

Caudate nucleus
Putamen
Globus Pallidus

Question 2

Function of Basal Ganglia

Answer 2

Initiation and organization of movement

Regulate cortical motor activity via thalamus

Question 3

Caudate nucleus + putamen

Answer 3

Striatum

Question 4

Putamen + Globus Pallidus

Answer 4

Lentiform nucleus

Question 5

Function of hippocampus

Answer 5

Processing info for long term storage (memory)

Question 6

Function of amygdala

Answer 6

Regulation of emotional behavior

Emotional valence to memory

Question 7

Function of thalamus

Answer 7

Relays sensory input to cortices

Regulates movement

Question 8

Connects two regions within one hemisphere

Answer 8

Association

Ex: Broca to Wernicke’s area

Question 9

Connect one side of CNS with other

Answer 9

Commissural

Question 10

Connect higher and lower centers of the CNS

Answer 10

Projection

Question 11

Function of homeostasis, growth and reproduction

Answer 11

Hypothalamus

Question 12

Motor and sensory function

Answer 12

Subthalamus

Question 13

Endocrine function

Answer 13

Epithalamus

Question 14

Function of the brain stem

Answer 14

Primitive and survival-orientated:

Respiration, BP, Swallowing, Conciousness

Question 15

Which tracts do the brain stem carry

Answer 15

Ascending (sensory)
Descending (motor)
Cerebellar (bundles of central axons)

Question 16

Which fibers are in the Cerebral peduncle (midbrain)

Answer 16

Corticospinal and corticobulbar

Question 17

Function of red nucleus (midbrain)

Answer 17

Motor, esp. upper extremities

Question 18

Function of medial lemniscus (midbrain)

Answer 18

Sensory tract, carry info from body

Question 19

Function of Substantia Nigra (midbrain)

Answer 19

Motor center

Question 20

Function of Cerebral Peduncle aka Crus Cerebri (midbrain)

Answer 20

Motor

Question 21

Function of CereBELLAR peduncles (pons)

Answer 21

Convey sensory and motor info to and from cerebellum

Question 22

Function of ventral nuclei (pons)

Answer 22

Relay motor info to cerebellum from cerebral cortex

Question 23

Function of dorsal nuclei (pons)

Answer 23

Taste, respiration and arousal

Question 24

Function of various nuclei (medulla)

Answer 24

Control respiration, blood pressure, motor activity of face and neck

Receive sensory info

Question 25

Function of medullary pyramids (medulla)

Answer 25

Corticospinal tract, crosses over at lower end of medulla

*Clinically significant

Question 26

Function of Olivary nuclei (medulla)

Answer 26

Motor regulatory circuits

Question 27

Function of cerebellum

Answer 27

Smoothing and coordination of movement, equilibrium and posture

Question 28

Where does the cerebellum occupy

Answer 28

Posterior cranial fossa