the brain

Question 1

medulla oblongata

Answer 1

1. respiratory center, cardiac center (HR and force), vasometer (BP and vessel diameter)
2. reflexes
3. decussation (crossing over of nerve fibers from one side of the CNS to the other)

Question 2

pons

Answer 2

1. respiratory control center that controls breathing breathing
2. centers for hearing and balance

Question 3

cerebellum

Answer 3

subconscious motor control of skeletal muscles that controls all movement like balance and posture

Question 4

midbrain

Answer 4

1. reflexes for eye and ears
2. area of dopamine synthesis
3. part of motor pathway that serves as the path for motor signals coming from the cerebral cortex

Question 5

thalamus

Answer 5

1. gateway to cerebral cortex
2. edits sensory info
3. provides crude awareness

Question 6

hypothalamus

Answer 6

1. control ANS
2. regulates part of the endocrine system
3. synthesis of hormones for release from the posterior pituiary gland
4. control body temp
5. drive thirst and hunger
6. part of RAS and limbid system

Question 7

pineal gland

Answer 7

1. endocrine gland influenced by light (secretes melatonin –> hormone that promotes sleep and prevent the activity of gonads)

Question 8

pituitary gland

Answer 8

1. master endocrine gland of the body
2. secretes hormones that control the activities of other endocrine glands

Question 9

limbic system

Answer 9

emotions
- collections of centers in the cerebral hemispheres
- emotions are sensed and associated with stimuli and behaviours
- emotion states drive or provide motivation for behaviour

Question 10

ras

Answer 10

determines state of alertness and focus

Question 11

basal nuclei

Answer 11

masses of grey matter within each hemisphere that helps in the unconscious control of voluntary movements

Question 12

corpus calllosum

Answer 12

a large commissural (connecting) tract between the two hemispheres
- allows communication between the left brain and the right brain

Question 13

fornix

Answer 13

tract that connects parts of the limbic system and forms the floor of the lateral ventricles

Question 14

frontal lobe

Answer 14

thinking, voluntary motor

Question 15

parietal lobe

Answer 15

somatosensory (touch, pressure, temp)

Question 16

temporal lobe

Answer 16

hearing

Question 17

occipital lobe

Answer 17

vision

Question 18

spinal cord

Answer 18

skeletal muscle reflexes

Question 19

primary somatosensory

Answer 19

precisely localizes light touch and pressure stimuli

Question 20

primary visual

Answer 20

receives visual info from the eyes

Question 21

primary auditory

Answer 21

receives auditory info from the ears

Question 22

primary motor

Answer 22

• located in pre central gyrus
• controls individual skeletal muscles mainly those that controls precision muscles of the face and hands

Question 23

frontal eye field

Answer 23

motor area that controls the movement of the eyes

Question 24

brocas

Answer 24

controls the muscles of the larynx and tongue that produce speech

Question 25

motor association / premotor

Answer 25

controls patterns of skeletal muscle movements mainly by control of the primary cortex

Question 26

wernickes

Answer 26

interprets speech

Question 27

general interpretative area

Answer 27

• in temporal, parietal, occipital lobes
• correlates info from sensory areas

Question 28

prefrontal cortex

Answer 28

• function in abstract thought
• weigh in consequences of actions

Question 29

auditory association

Answer 29

interprets sound

Question 30

visual association

Answer 30

interprets vision

Question 31

somatosensory association

Answer 31

provides deeper interpretation of stimuli receives by the primary sensory area

Question 32

left hemisphere

Answer 32

logical, sequential processing of info

Question 33

right hemisphere

Answer 33

wholistic big picture analysis of info