Cerebrospinal fluid

A Is mainly produced by active secretion
B Is absorbed into the dural venous sinus
C Blockage within the ventricular system produces communicating hydrocephalus
D Is produced from the arachnoid granulations
E Passes from the ventricular system to the subarachnoid space through the holes in the roof of the fourth ventricle

Correct Answer: Is mainly produced by active secretion

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Related Questions

Regarding cerebrospinal fluid
A It is produced mainly by choroid plexus by active transport
B The arachnoid granulations are blocked in due to inflammation
C CSF are reabsorbed mostly by spinal perineural lymph vessels
D Both communicative and non-communicative hydrocephalus occur in meningitis
E The ventricular system communicates with the subarachnoid space in the roof of the 4th ventricle
Characteristics of cerebrospinal fluid in acute pyogenic meningitis are
A Hazy in appearance
B Marked increase in neutrophilic polymorphs
C Increased glucose level
D Decreased protein level
E Bacteria absence in Gram staining
The cerebrospinal fluid in acute pyogenic meningitis
A May show bacteria on gram staining.
B Contains markedly increased numbers of neutrophil polymorphs.
C Is usually clear.
D Usually has an increased glucose level.
E Usually has a decreased protein level.
Cerebrospinal fluid -
A Protects the brain & spinal cord
B Maintains pressure around the brain & spinal cord
C Helps in conduction of nerve impulse
D Acts as a shock absorber of brain
E Helps in growth & development
When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a
A D-slide valve
B governor
C Meyer’s expansion valve
D flywheel
If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be
A Higher than the surface of liquid
B The same as the surface of liquid
C Lower than the surface of liquid
D Unpredictable
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?
A Rotational
B Unsteady
C Turbulent
D Non-uniform
In a stationary fluid, how does the local pressure of the fluid vary?
A With depth
B In the horizontal direction only
C Both with depth and along horizontal direction
D Neither with depth nor along horizontal direction
Compared with intracellular fluid, the extracellular fluid has lower
A Potassium ion concentration
B Hydrogen ion concentration
C Osmolality
D Sodium ion concentration
E Chloride ion concentration
Compared with intracellular fluid, extracellular fluid has a lower
A Potassium ion concentration
B Hydrogen ion concentration
C Osmotic strength
D Sodium ion concentration
E Chloride ion concentration

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