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Select the incorrect statement w.r.t. brain
- a)Cerebral aqueduct connects the third ventricle to fourth ventricle in brain
- b)Fourth brain ventricle is associated with all structural constituents of brain stem.
- c)Corpora quadrigemina are present on dorsal side of midbrain
- d)Processing for the expression of emotional reactions are function of brain
Correct answer is option 'B'. Can you explain this answer?
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Select the incorrect statement w.r.t. braina)Cerebral aqueduct connec...
Incorrect Statement: Fourth brain ventricle is associated with all structural constituents of brain stem.
Explanation:
The brain ventricles are interconnected, fluid-filled spaces within the brain. They play a crucial role in the production, circulation, and absorption of cerebrospinal fluid (CSF) that surrounds and protects the brain and spinal cord. The incorrect statement in this case is option B which states that the fourth brain ventricle is associated with all structural constituents of the brain stem. Let's understand why this statement is incorrect.
1. Cerebral Aqueduct:
- The cerebral aqueduct, also known as the aqueduct of Sylvius, is a narrow channel that connects the third ventricle to the fourth ventricle in the brain.
- It passes through the midbrain, specifically through the tegmentum, which is the portion of the midbrain located between the ventral and dorsal surfaces.
- The function of the cerebral aqueduct is to allow the flow of CSF from the third ventricle to the fourth ventricle.
2. Fourth Brain Ventricle:
- The fourth ventricle is a diamond-shaped cavity located in the hindbrain, specifically in the area between the pons and the cerebellum.
- It is continuous with the cerebral aqueduct superiorly and with the central canal of the spinal cord inferiorly.
- The fourth ventricle is not directly associated with all structural constituents of the brain stem. Rather, it lies posterior to the pons and medulla oblongata, which are major components of the brain stem.
3. Corpora Quadrigemina:
- The corpora quadrigemina, also known as the quadrigeminal bodies, are located on the dorsal side of the midbrain.
- They consist of two pairs of rounded protrusions, the superior colliculi and the inferior colliculi.
- The superior colliculi are involved in visual processing and coordinating eye movements, while the inferior colliculi are involved in auditory processing.
4. Processing for the Expression of Emotional Reactions:
- The processing for the expression of emotional reactions is indeed a function of the brain.
- Emotional reactions are regulated by various brain regions, including the limbic system, which is involved in the processing and regulation of emotions.
- The limbic system includes structures such as the amygdala, hippocampus, hypothalamus, and parts of the cerebral cortex.
In conclusion, the incorrect statement is option B, which states that the fourth brain ventricle is associated with all structural constituents of the brain stem. The fourth ventricle is located posterior to the brain stem and is not directly associated with all of its structural constituents.
Explanation:
The brain ventricles are interconnected, fluid-filled spaces within the brain. They play a crucial role in the production, circulation, and absorption of cerebrospinal fluid (CSF) that surrounds and protects the brain and spinal cord. The incorrect statement in this case is option B which states that the fourth brain ventricle is associated with all structural constituents of the brain stem. Let's understand why this statement is incorrect.
1. Cerebral Aqueduct:
- The cerebral aqueduct, also known as the aqueduct of Sylvius, is a narrow channel that connects the third ventricle to the fourth ventricle in the brain.
- It passes through the midbrain, specifically through the tegmentum, which is the portion of the midbrain located between the ventral and dorsal surfaces.
- The function of the cerebral aqueduct is to allow the flow of CSF from the third ventricle to the fourth ventricle.
2. Fourth Brain Ventricle:
- The fourth ventricle is a diamond-shaped cavity located in the hindbrain, specifically in the area between the pons and the cerebellum.
- It is continuous with the cerebral aqueduct superiorly and with the central canal of the spinal cord inferiorly.
- The fourth ventricle is not directly associated with all structural constituents of the brain stem. Rather, it lies posterior to the pons and medulla oblongata, which are major components of the brain stem.
3. Corpora Quadrigemina:
- The corpora quadrigemina, also known as the quadrigeminal bodies, are located on the dorsal side of the midbrain.
- They consist of two pairs of rounded protrusions, the superior colliculi and the inferior colliculi.
- The superior colliculi are involved in visual processing and coordinating eye movements, while the inferior colliculi are involved in auditory processing.
4. Processing for the Expression of Emotional Reactions:
- The processing for the expression of emotional reactions is indeed a function of the brain.
- Emotional reactions are regulated by various brain regions, including the limbic system, which is involved in the processing and regulation of emotions.
- The limbic system includes structures such as the amygdala, hippocampus, hypothalamus, and parts of the cerebral cortex.
In conclusion, the incorrect statement is option B, which states that the fourth brain ventricle is associated with all structural constituents of the brain stem. The fourth ventricle is located posterior to the brain stem and is not directly associated with all of its structural constituents.
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Select the incorrect statement w.r.t. braina)Cerebral aqueduct connec...
Fourth ventricle of the brain is not present in midbrain and spinal cord
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Select the incorrect statement w.r.t. braina)Cerebral aqueduct connects the third ventricle to fourth ventricle in brainb)Fourth brain ventricle is associated with all structural constituents of brain stem.c)Corpora quadrigemina are present on dorsal side of midbraind)Processing for the expression of emotional reactions are function of brainCorrect answer is option 'B'. Can you explain this answer?
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Select the incorrect statement w.r.t. braina)Cerebral aqueduct connects the third ventricle to fourth ventricle in brainb)Fourth brain ventricle is associated with all structural constituents of brain stem.c)Corpora quadrigemina are present on dorsal side of midbraind)Processing for the expression of emotional reactions are function of brainCorrect answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Select the incorrect statement w.r.t. braina)Cerebral aqueduct connects the third ventricle to fourth ventricle in brainb)Fourth brain ventricle is associated with all structural constituents of brain stem.c)Corpora quadrigemina are present on dorsal side of midbraind)Processing for the expression of emotional reactions are function of brainCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Select the incorrect statement w.r.t. braina)Cerebral aqueduct connects the third ventricle to fourth ventricle in brainb)Fourth brain ventricle is associated with all structural constituents of brain stem.c)Corpora quadrigemina are present on dorsal side of midbraind)Processing for the expression of emotional reactions are function of brainCorrect answer is option 'B'. Can you explain this answer?.
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