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Urinalysis and body fluids Questions and Correct Answers | Latest Update $12.49   Add to cart

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Urinalysis and body fluids Questions and Correct Answers | Latest Update

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what are the main physiological responsibility of CSF? -:- nutrients and nervous tissue remove metabolic wastes produce mechanical barrier to cushion to brain and spinal cord what are the three layers of meninges that line the brain and spinal cord? -:- dura mater arachnoid pia mater ...

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  • September 10, 2024
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Urinalysis and body fluids Questions and
Correct Answers | Latest Update
what are the main physiological responsibility of CSF?

✓ -:- nutrients and nervous tissue
✓ remove metabolic wastes
✓ produce mechanical barrier to cushion to brain and spinal cord


what are the three layers of meninges that line the brain and spinal cord?

✓ -:- dura mater
✓ arachnoid
✓ pia mater


how much CSF is produced every hour?

✓ -:- 20 mL


***what levels are CSF maintained in adults and children?

✓ -:- adults: 90-150 mL
✓ neonates: 10-60 mL


where is CSF produced?

✓ -:- choroid plexus
✓ two lumbar ventricles and 3rd and 4th ventricle


where does CSF flow?

✓ -:- the subarachnoid space


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,2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!

How does the choroid plexus move CSF?

✓ -:- selective filtration under hydrostatic pressure and active transport secretion


true or false: CSF is an ultra filtrate of plasma?

✓ -:- false


what is a tight fitting structure of endothelial cells in the choroid plexus that prevents

passage of many molecules?

✓ -:- blood brain barrier


what are examples of disease that disrupt the blood brain barrier?

✓ -:- meningitis and multiple sclerosis, froin syndrome
- allows wbc's, proteins, and chemicals in CSF,




how is CSF collected?

✓ -:- lumbar puncture
3rd, 4th, and 5th lumbar




which tube in CSF collection is used for chemical and serologic tests, least affected by blood

or bacteria, and should be frozen?

✓ -:- tube 1


which tube in CSF is sent to microbiology and excludes skin contamination and kept at

room temperature?



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, 2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!

✓ -:- tube 2


which tube in CSF is least likely to contain cells introduced by spinal tap and must be

refrigerated?

✓ -:- tube 3


which tube is for additional microbiology/serology and is provide better exclusion of skin

contamination and should be frozen?

✓ -:- tube 4


what are terms used to describe CSF?

✓ -:- crystal clear
cloudy

milky

xanthochromic

hemolyzed




if CSF is cloudy, turbid, what is it the result of?

✓ -:- infection
presence of WBC or protein/lipid concentration




what colors are xanthochromic?

✓ -:- pink - oxyhemoglobin
orange - heavy hemolysis



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