Ch 35 pt 2 (brain)

Question 1

Hindbrain

Answer 1

Cerebellum
Pons
Medulla oblongata

Question 2

Midbrain

Answer 2

Optic tectum

Question 3

Forebrain

Answer 3

Thalamus & Hypothalamus
Basal ganglia
Corpus callosum
Hippocampus
Cerebral cortex

Question 4

Cerebrum

Answer 4

Cerebral cortex (gyrus -convulses, sulcus - creases)
Function:
Higher thinking, personality, skeletal muscle, sensory info

Question 4

Cerebral hemispheres

Answer 4

Corpus callous connects the hemispheres
Four lobes:
- Frontal (olfaction)
- Parietal (speech/reading, touch/orientation)
- Occipital (audition)
- Temporal (audition)

Question 5

Thalamus

Answer 5

Relays sensory information to Occipital, Temporal, and Parietal lobes of Cerebrum

Question 6

Hypothalamus

Answer 6

Regulates body temp, hunger, and thirst
With Hippocampus and amygdala ( Limbic system - emotional regulation)

Question 7

Medulla oblongata

Answer 7

Controls breathing and regulates heartrate

Question 8

Cerebellum

Answer 8

Posture and balance
Otoliths (ear stones in fluid that respond to gravity)
- if gets out of wack, can cause vertigo and nausea

Question 9

Pons

Answer 9

Transmits brain signals to spinal cord

Question 10

Spinal cord

Answer 10

Conveys and controls messages without needed to send the signal back to the brain
(reflex reactions)

Question 11

Peripheral Nervous System

Answer 11

Nerves [axons], Ganglia [cell bodies], Somatic, Autonomic

Question 12

Somatic

Answer 12

Voluntary movement controlled by Peripheral nervous system

Question 13

Autonomic

Answer 13

Involuntary movement controlled by Peripheral nervous system
Sympathetic (fight or flight)
Parasympathetic (rest or repose)

Question 14

Glioblastoma

Answer 14

Cancer of myelin sheath