• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/30

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

30 Cards in this Set

  • Front
  • Back

Hypothesis that states that the cranial compartment is incompressible, and volume inside is fixed

Monro-Kelly

Constituents of cranium

Blood, CSF, tissue

Volume of CSF in cranium

8%

Volume of blood in cranium

12%

Volume of brain in cranium

80%

ICP is _____ CSF pressure

Supratentorial

ICP is measured in the _______ or over the ____

Lateral ventricles; cerebral cortex

Small increases in volume in one component of cranium are initially well

Compensated

Infants: cranial decompression may occur via expansion of the

Skull

Posterior fontanelle closes by

2 months

Anterior fontanelle remains open until

1-2 y/o

Cranial sutures fuse as late as

10 y/o

Junction between vascular endothelial cells that are nearly fused

BBB

BBB is a ____ barries

Lipid

Can pass freely through BBB

CO2

Can pass freely through BBB

O2

Can pass freely through BBB

Lipid soluble molecules

Poor penetration through BBB

Ions

Poor penetration through BBB

Proteins

Poor penetration through BBB

Large molecules such as mannitol

BBB can be disrupted by

Severe HTN

BBB can be disrupted by

Tumors

BBB can be disrupted by

Trauma

BBB can be disrupted by

CVA

BBB can be disrupted by

Infection

BBB can be disrupted by

Marked hypercapnia

BBB can be disrupted by

Hypoxia

BBB can be disrupted by

Sustained seizure activity

Protects the CNS from trauma

CSF

Adults produce ____ CSF

21 mL/hr, 500 mL/day, 150 mL circulating