Cerebrospinal fluid in humans is present in the _______space.
Show Hint
- subdural
- subarachnoid
- pericardial
- epidural
The Correct Option is B
Solution and Explanation
Cerebrospinal fluid (CSF) is a clear fluid found in the brain and spinal cord. It provides cushioning and protection to the central nervous system. Step 1: Understanding the subarachnoid space.
The subarachnoid space is the space between the arachnoid mater and the pia mater, two of the three meninges that surround the brain and spinal cord. This space is filled with cerebrospinal fluid (CSF).
Step 2: Reviewing other options.
The subdural space is between the dura mater and the arachnoid mater, but it is not filled with CSF under normal conditions.
The pericardial space surrounds the heart and is filled with pericardial fluid, not CSF.
The epidural space is outside the dura mater and is filled with fat and blood vessels, not CSF.
Step 3: Conclusion. The correct answer is (B), as CSF is located in the subarachnoid space.
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A pitot tube connected to a U-tube mercury manometer measures the speed of air flowing in the wind tunnel as shown in the figure below. The density of air is 1.23 kg m\(^{-3}\) while the density of water is 1000 kg m\(^{-3}\). For the manometer reading of \( h = 30 \) mm of mercury, the speed of air in the wind tunnel is _________ m s\(^{-1}\) (rounded off to 1 decimal place).
Questions Asked in GATE BM exam
Eight students (P, Q, R, S, T, U, V, and W) are playing musical chairs. The figure indicates their order of position at the start of the game. They play the game by moving forward in a circle in the clockwise direction.
After the 1st round, the 4th student behind P leaves the game.
After the 2nd round, the 5th student behind Q leaves the game.
After the 3rd round, the 3rd student behind V leaves the game.
After the 4th round, the 4th student behind U leaves the game.
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