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bio 264 > modules 11-12 > Flashcards

modules 11-12 Flashcards

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Biology 101 flashcards
1
Q

Medulla Oblongota

A

Life supporting reflexes- breathing, heart rate, swallowing, vomiting
-contains ascending and descending nerve tracts
Contains decussation

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2
Q

decussation

A

crossing over

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3
Q

where is the corpora quadrigenina located

A

Midbrain

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4
Q

What are the two parts of the corpora quadrigemina

A

superior colliculi and inferior colliculi

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5
Q

What is the superior colliculi’s job

A

Visual reflex center- controls eye movement

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6
Q

Inferior colliculi

A

auditory input- move your head and eyes to where the sound was

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7
Q

what is the substantial nigra part of?

A

basal ganglia of the Midbrain

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8
Q

what disease do you get if your substantial nigra is severed?

A

Parkinson’s disease

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9
Q

cerebellum

A

Movement, balance, learning motor skills

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10
Q

What would happen if you damaged the cerebellum?

A

Jerky movements and intention tremors

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11
Q

Diencephalon is made up of what?

A

Thalamus, epithalamus, and hypothalamus

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12
Q

Thalamus

A

Relay for sensor information- sensory info synapses here before projecting to cerebrum

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13
Q

What are 2 parts of the thalamus?

A

Medial geniculate nucleus and lateral geniculate nucleus

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14
Q

Medial geniculate nucleus

A

auditory information

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15
Q

lateral geniculate nucleus

A

visual information

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16
Q

epithalamus is made up of what two things

A

habenula and pineal body

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17
Q

Pineal body functions

A

Melatonin

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18
Q

Melatonin

A

sleep, antioxidant(shift workers, alzheimers), delays onset of puberty

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19
Q

what delays onset of puberty?

A

melatonin

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20
Q

Habenula

A

emotional responses to odors/smell memory and other stuff

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21
Q

what does the pineal gland secrete?

A

melatonin

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22
Q

Hypothalamus

A

Regulation of body temp, thirst and hunger, helps regulate ANS functions, regulates endocrine function( growth hormone, thyroid hormone ect)

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23
Q

Precentral gyrus is AKA

A

primary motor cortex

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24
Q

Post central guru is AKA

A

primary somatic sensory cortex

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25
Q

frontal lobe functions

A

voluntary motor function, motivation, aggression, mood, personality

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26
Q

parietal lobe functions

A

reception and evaluation of sensory touch

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27
Q

Occipital lobe functions

A

reception and integration of visual input

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28
Q

Temporal lobe functions

A

reception and evaluation for smell and hearing

29
Q

Broca’s area

A

frontal lobe- initiates muscle movements necessary for speech

30
Q

wernicke’s area

A

temporal lobe- auditory or visual comprehension of language

31
Q

what makes up the brain stem?

A

Medulla oblongata, pons, midbrain, reticular formation

32
Q

Pons functions

A

controls respiratory rate and function

33
Q

midbrain controls

A

reflexes

34
Q

where is the post central gyrus located?

A

parietal lobe

35
Q

where is the limbic sister located?

A

part of cerebrum and diencephalon

36
Q

what does the limbic system control?

A

appetites- food and sex

emotions- desires, rage, jealousy, aggression, memory, reproduction, survival

37
Q

when is out limbic system fully developed

A

25 yo

38
Q

the limbic system is

A

the natural man

39
Q

4 factors of the addictiveness of a substance

A
  1. highly stimulating version of a natural product
  2. available in limitless supply
  3. comes in lots of varieties
  4. may cause a binge without realizing it is triggering brain changes
40
Q

three stages of memory?

A

working, short-term, long-term

41
Q

how long does working memory last?

A

seconds

42
Q

how long does short term memory last?

A

minutes to days

43
Q

What are the two types of long term memory?

A

Declarative (explicit) and procedural(implicit)

44
Q

explicit memory involves

A

test questions, address

45
Q

implicit memory involves

A

playing the piano

46
Q

where does working memory most occur?

A

frontal cortex

47
Q

where does short term memory occur?

A

temporal lobe:
hippocampus- factual content
amygdala- emotional overtones

48
Q

consolidation

A

occurs in long term memory

more and stronger sysanpses-> produce dendritic spine

49
Q

Memory engram

A

series of neurons and their patter of activity

50
Q

Anterograde amnesia

A

can’t make new memories after neurological insult

51
Q

why can’t you remember what happens after and accident?

A

anterograde amnesia

52
Q

retrograde amnesia

A

most common

difficulty retrieving memories that were from before the injury

53
Q

what is it called when you can’t remember what happened before the accident

A

retrograde amnesia

54
Q

shaken baby syndrome causes

A

venous- subdural hematomas

55
Q

epidural hemorrhages

A

arterial- most superior type

56
Q

subarachnoid hemorrhages

A

vessels

57
Q

nerves with sensory functions

A

olfactory, poetic, vestibulocochlear

58
Q

nerds with somatic motor functions

A

Trochlear, abducens, accessory, hypoglossal

59
Q

nerves with somatic motor and sensory

A

trigeminal

60
Q

nerves with Somatic motor, sensory, and parasympathetic

A

facial, glossopharyngeal, vagus

61
Q

somatic motor and parasympathetic nerve

A

oculomotor

62
Q

Olfactory nerve

A

smell

63
Q

optic nerve

A

vision

64
Q

oculomotor nerve

A

eyeball movement (somatic),
miosis( parasympathetic)
accommodation

65
Q

trochlear nerve

A

eyeball movement

66
Q

trigeminal nerve

A

chewing, sensory cutaneous innervation of head

67
Q

abducens nerve

A

eyeball movement

68
Q

facial nerve

A

facial expression, taste, salivation and lacrimation

69
Q

capsaicin occurs in what type of food?

A

spicy food

bio 264 (5 decks)

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