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Physiology Exam 2 > Neuro Section 6- Part 1 > Flashcards

Neuro Section 6- Part 1 Flashcards

1
Q

What does the dura mater, arachnoid mater, and pia mater make up?

A

Brainstem and spinal cord

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2
Q

What is the thick layer of fibroblasts, it fuses with the bone inner surface of skull bones?

A

Dura mater

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3
Q

What is the spider web like, thin layer of fibroblasts that trap CSF between it and pia mater?

A

Arachnoid mater

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4
Q

What is the single layer of fibroblasts?

A

Pia mater

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5
Q

What is a clear fluid present in the ventricles of the brain, central canal of spinal cord, and subarachnoid?

A

Cerebrospinal fluid (CSF)

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6
Q

What ligament attaches the dura to the midline of the vertebral body?

A

Meningovertebral

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7
Q

What cushions the brain?

A

CSF

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8
Q

What maintains a consistent extracellular micro environment for neurons and glia cells?

A

CSF

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9
Q

What assists in waste control for the removal of potentially harmful cellular metabolites?

A

CSF

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10
Q

What helps in the distribution medium for peptide hormones and growth factors?

A

CSF

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11
Q

Where is the CSF formed?

A

Choroid plexuses

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12
Q

Why is it important that the CSF is formed in each of the four ventricles at a constant rate?

A

Prevents accumulation of fluids

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13
Q

Where are the lateral ventricles located?

A

Two cerebral hemispheres

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14
Q

WHERE IS THE 3RD VENTRICLE LOCATED?

A

Midline of diencephalon

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15
Q

What is located between the cerebellum and the dorsal surface of the hindbrain?

A

4th ventricle

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16
Q

What are the cauliflower-like growth of capillaries covered by a thin layer of ependymal cells that forms a selective, tight-junction barrier to the secretions of the leaky capillaries and other surrounding fluids?

A

Choroid plexuses

17
Q

What cells form a selective barrier that regulates the passage of ions into the CSF?

A

Ependymal cells

18
Q

What 3 things go into the ventricles?

A

Sodium, chloride, bicarbonate

19
Q

What flows passively into the ventricles?

A

NaCI

20
Q

What process occurs of some potentially harmful waste products?

A

Metabolization

21
Q

What is the transport system used for NaCI?

A

Symport

22
Q

What transport system is used for Na, Cl, and HCO3

A

Aniport

23
Q

CSF flows _______ a concentration gradient form its site of formation at the choroid plexuses through the ventricular system and subarachnoid space into the venous system

A

Down

24
Q

What are the only 2 organs that DO NOT posses lymphatic vessels?

A

Brain and Spinal cord

25
Q

What system helps in the removal of interstitial waste products?

A

Glymphatic

26
Q

Where does the CSF into the venous system absorption take place?

A

Dura-lined venous sinuses within the skull

27
Q

Where is most of the fluid absorbed from the subarachnoid space into?

A

Dural sinuses

28
Q

How is the fluid absorbed into the dural sinuses?

A

Through arachnoid villi

29
Q

Absorption appears to be pressure ________ and is unidirectional

A

Dependent

30
Q

The ______ volume of CSF is replaced several time a day

A

Entire

31
Q

What space is where CSF can be sampled?

A

Subarachnoid space

32
Q

What space is located between the skull and the first cervical vertebra?

A

Subarachnoid space

33
Q

What are the 2 characteristics of normal CSF?

A

Clear and translucent

34
Q

What disease is increased CSF volume in the skull, associated with an increased ventricular volume and intracranial pressure?

A

Hydrocephalus

35
Q

What is caused by an obstruction to CSF flow?

A

Non-communicating hydrocephalus

36
Q

What is caused by impairment of absorption?

A

Communicating hydrocephalus

Physiology Exam 2 (14 decks)

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