Tag: nervous system of man

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Questions Related to nervous system of man

Multiple choice bio-chemistry nervous system of man introduction to brain body fluid central nervous system

Cerebrospinal fluid is present

  1. Beneath the pia mater

  2. Between pia mater and arachnoid mater

  3. Between arachnoid and dura mater

  4. In extra dura mater

  5. Between the dura mater and cranium
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cerebrospinal fluid (CSF) is a clear, colorless body fluid found in the brain and spine. It is located in the subarachnoid space between the arachnoid mater and the pia mater. It acts as a cushion for the brain's cortex by providing mechanical and immunological protection to the brain inside the skull. Hence option B is correct.

Multiple choice bio-chemistry nervous system of man introduction to brain body fluid central nervous system

The function of cerebrospinal fluid surrounding CNS is to 

  1. Protect the brain from external jerks
  2. Provide nourishment and ${O _2}$ to the brain

  3. Take away unwanted substance from the brain

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Cerebrospinal fluid (CSF) acts as a shock absorber to protect the CNS from mechanical injury. It also facilitates the exchange of nutrients and metabolic waste products between the blood and the brain tissue.

Multiple choice bio-chemistry nervous system of man introduction to brain body fluid central nervous system

The cerebrospinal fluid passes out from the ventricle of medulla oblongata into the space between meninges of brain through

  1. Foramen of Monro

  2. Foramen of magnum

  3. Foramen of Magendie and Luschka

  4. Foramen ovale
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The CSF flows from the fourth ventricle of the medulla oblongata into the subarachnoid space through the median aperture (Foramen of Magendie) and the two lateral apertures (Foramina of Luschka).

Multiple choice bio-chemistry nervous system of man introduction to brain body fluid central nervous system

.......... fluid is found in ventricles of the brain.

  1. Sinovial

  2. Cerebrospinal

  3. Serum

  4. Plasma
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cerebrospinal fluid (CSF),  is an alkaline fluid present in the brain and spinal chord. It is formed primarily, in the ventricles of the brain. It supports the brain and provides lubrication between surrounding bones and the brain and spinal cord. It act as buffer for the cerebrum.
So, the correct answer is option B.