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Questions and Answers
What is the main mechanism of absorption of cerebrospinal fluid (CSF) in the body?
What is the main mechanism of absorption of cerebrospinal fluid (CSF) in the body?
- Active transport through specialized cells in the meninges
- Diffusion across the blood-brain barrier
- Filtration due to pressure gradient between hydrostatic pressure in the subarachnoid space fluid and the pressure in the dural sinus blood (correct)
- Reabsorption through the spinal cord
How much CSF is typically formed and absorbed by the body daily?
How much CSF is typically formed and absorbed by the body daily?
- 1000ml
- 750ml
- 200ml
- 500ml (correct)
What effect does coughing have on cerebrospinal fluid (CSF) pressure?
What effect does coughing have on cerebrospinal fluid (CSF) pressure?
- Decreases pressure by increasing absorption
- No effect on pressure
- Causes CSF leakage
- Increases pressure by decreasing absorption (correct)
Which event can increase cerebrospinal fluid (CSF) pressure by compressing the Internal Jugular Vein?
Which event can increase cerebrospinal fluid (CSF) pressure by compressing the Internal Jugular Vein?
What is the protective function of cerebrospinal fluid (CSF) related to brain injuries?
What is the protective function of cerebrospinal fluid (CSF) related to brain injuries?
In the case of a severe blow to the head, what injury pattern may occur due to the movement of the brain against the skull bone?
In the case of a severe blow to the head, what injury pattern may occur due to the movement of the brain against the skull bone?
What is the primary function of the medium of exchange between blood and brain tissues?
What is the primary function of the medium of exchange between blood and brain tissues?
Which procedure involves passing a needle between the occipital bone and atlas to collect cerebrospinal fluid?
Which procedure involves passing a needle between the occipital bone and atlas to collect cerebrospinal fluid?
What can happen in cases of Noncommunicating (Internal) hydrocephalus?
What can happen in cases of Noncommunicating (Internal) hydrocephalus?
In lumbar puncture, why is the lumbar region preferred for introducing the needle into the subarachnoid space?
In lumbar puncture, why is the lumbar region preferred for introducing the needle into the subarachnoid space?
What constitutes an essential purpose of collecting cerebrospinal fluid through cisternal or lumbar puncture?
What constitutes an essential purpose of collecting cerebrospinal fluid through cisternal or lumbar puncture?
What condition is associated with atrophy of the brain, mental weakness, and convulsions?
What condition is associated with atrophy of the brain, mental weakness, and convulsions?
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