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A&P I > A&P I Nervous System > Flashcards

A&P I Nervous System Flashcards

1
Q

4 Ventricles

A

Right/Left, Third, & Fourth

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2
Q

1-2 Ventricle ( Lateral Ventricles)

A

Interconnected cavities that connect the third ventricles in the inter ventricular foramina

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3
Q

3rd Ventricle

A

Formed by the walls of the thalamus and hypothalamus

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4
Q

Cerebral Aqueduct

A

Connects the to the 4th ventricle.

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5
Q

Subarachnoid Space

A

Opening that allows cerebrospinal fluid to leave the 4th ventricle.

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6
Q

Choroid Plexuses

A

Makes cerebral spinal fluid. All ventricles make this fluid.

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7
Q

Step 1 CSF (Cerebrospinal Fluid Flow)

A

Lateral ventricles

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8
Q

Step 2 CSF (Cerebrospinal Fluid Flow)

A

Interventricular Foramina

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9
Q

Step 3 CSF (Cerebrospinal Fluid Flow)

A

Third Ventricle

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10
Q

Step 4 CSF (Cerebrospinal Fluid Flow)

A

Cerebral aqueduct

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11
Q

Step 5 CSF (Cerebrospinal Fluid Flow)

A

Fourth Ventricle

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12
Q

Step 6 CSF (Cerebrospinal Fluid Flow)

A

Subarachnoid Space

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13
Q

Step 7 CSF (Cerebrospinal Fluid Flow)

A

Dural Sinuses

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14
Q

Step 8 CSF (Cerebrospinal Fluid Flow)

A

Connects to the blood stream

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15
Q

Diencephalon

Part of Brain Stem

A

Optic tract/chiasma, infundibulum, posterior pituitary gland, maxillary bodies, pineal gland, thalamus, hypothalamus.

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16
Q

Midbrain

Part of Brain Stem

A

contains the pons, cerebral aqueduct, and corpora quadridemina. Concerned with coordinating body movement with visional/auditory stimuli

17
Q

Pons

Part of Brain Stem

A

Located between midbrain and medulla.
Anterior portions are transverse.
Posterior portions are longitudinal.

18
Q

Medulla Oblongata

Part of Brain Stem

A

Located between the pons and spinal cord

19
Q

Foramen magnum

A

End of medulla oblongata

20
Q

Vermus

A

Connects the right and left hemispheres of the cerebellum.

21
Q

Responsible for controlling and coordinating skeletal muscles and maintaining posture

A

Cerebellum

22
Q

Cerebellum communicates with others parts of the CNS

A

Cerebella peduncles

23
Q

Synaptic Cleft

A

Fluid filled space of a synapse.

24
Q

Presynaptic neuron

A

1st Neuron

25
Q

Postsynaptic neuron

A

2nd Neuron

26
Q

Na+

A

Greater concentration outside the cell.

27
Q

K+

A

Greater concentration inside the cell.

28
Q

Cl

A

Greater concentration outside the cell.

29
Q

IPSR, Increase RMP

A

Hyperpolarization

30
Q

Ligand Gated Channels

A

Potential Energy

31
Q

Voltage Gated Channels

A

Action Potential/ Depolarization (EPSP)

32
Q

Threshold

A

Must be reached to make action potential.

33
Q

EPSP, Decrease RMP

A

Depolarization

34
Q

Synoptic Knob

A

End of axon.

35
Q

Ca2 allows

A

Voltage gated channels to release neurotransmitters.

36
Q

Continuous Conduction

A

AP generated the entire length of axon

37
Q

Salutatory Conduction (Faster)

A

No voltage gates beneath myelin sheaths.

A&P I (3 decks)

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