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Advanced Biology > Quiz 2 > Flashcards

Quiz 2 Flashcards

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1
Q

Thalamus

A
  • Just above brain stem
  • Main input for sensory info to cerebrum
  • Output center for motor info from cerebrum
  • Part of limbic system
  • Sensory info can have emotional connections
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2
Q

Cerebrum

A

2 hemispheres -

  1. Left : Logical & Mathematical
  2. Right: Creative & Visual
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3
Q

Basal Nuclei (Ganglia)

A

Located in cerebrum
A) Planning and learning movement patterns
B) Damage= no signal to muscles

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4
Q

Cerebral Cortex

A

A. Analyze sensory information
B. Issue motor commands
C. Generate language

GIA

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5
Q

Human’s have :

A

Largest cerebral cortex (thinking learning language)

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6
Q

Animals have:

A

Mostly sensory information

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7
Q

Lateralization

A

Each side has specific functions

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8
Q

How does left and right brain work?

A

Left brain senses right brain info and sends messages to right side of brain

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9
Q

Corpus Callosum

A

Band of axons
Left and right hemispheres can communicate
Brain compensation if damaged

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10
Q

Cerebral Lobes

A

Parietal
Frontal
Temporal
Occipital

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11
Q

Parietal

A

Somatosensory cortex
Somatosensory Association
Speech Taste Reading

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12
Q

Frontal

A

Speech

Motor Cortex

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13
Q

Temporal

A

Hearing
Speech
Auditory Association

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14
Q

Occipital

A

Visual

Visual Association

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15
Q

Primary Somatosensory Cortex (Parietal Lobe)

A

Most sensory information

Receives and integrates pain/temperature from body receptors

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16
Q

Wernickie’s Area (Parietal Lobe)

A

Receives the visual info
Speech and reading association
Sores word and grammar

17
Q

Broca’s Area (Frontal Lobe)

A

Wernicke sends signals of what to say

Broca signals motor cortex to move mouth muscles, tongues and lips to form words

18
Q

Motor Cortex (Frontal Lobe)

A

Sends commands to skeletal muscles

Responds to sensory stimuli

19
Q

Planning and complex movements and thoughts

A

Frontal Lobe

20
Q

Behavior, motivation and emotions

A

Limbic Assoc Area

21
Q

Language Comprehension

A

Wernicke Area

22
Q

Word formation

A

Brocas Area

23
Q

Why are some body areas more sensitive to pain?

A

The more brain surface dedicated to the body part the more importance of information

24
Q

Purpose of Nervous System

A

To pass fast traveling short lived electrical messages to all body parts

25
Q

Pass messages to all body parts in order to

A

Inform body of external stimuli
Inform body of internal stimuli
Send messages through body as a response to stimuli

26
Q

Three steps to information processing:

A

Sensory input
Integration
Motor output

27
Q

Neurons target for

A 
Muscle
Nerves
Gland (Pituatary & Adrenal)
Heart
Diaphragm
28
Q

Cell body

A

Nucleus, organelles, protein syntheses

29
Q

Axon Hillock

A

Electrical impulse starts axon

30
Q

How neuron travels:

A

Neuron learning from previous cell
Dendrite receive messages from previous neuron or sensory cell
Electrical impulse travels down cord because of the axon hillock
Axon carries the electrical message down
Synaptic terminals pass the message into synapse to next cell

31
Q

Membrane Potential

A

Difference in electrical voltage on each side of neurons membrane (inside and outside)

32
Q

Resting Potential

A

Polarized
No message
-60mV–80mV

33
Q

Action Potential

A

Depolarized
Electrical message
Positive INSIDE neuron because of the sodium ions rushing in

34
Q

Synaptic Terminals

A 
Ends of neuron
Releases neurotransmitters (chemicals) into synapse
35
Q

Synapse

A

Space between the neighboring neurons

Neurotransmitters cross here

36
Q

Myelin Sheath

A

Made up of Schwann cells
Insulate axon
Protect axon
Saltatory conduction

37
Q

Saltatory Conduction

A

Speeds up messages

Advanced Biology (1 decks)

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