Given below are two statements, one labelled as Assertion (A) and the other labeled as Reason (R) : Assertion (A) : The integrative pattern of posture is predominantly automatic and unconscious, resulting from the incessant shifting of weight. Reason (R) : Postural control involves static and phasic reflexes and are integrated in the central nervous system. In the context of the above two statements, which of the following statement is correct ?
Assertion A: Integrative Posture Pattern
Statement (A) posits that the integrative pattern of posture is largely automatic and unconscious, driven by continuous weight shifting. This is accurate. Our bodies constantly make small, subconscious adjustments to maintain balance and upright posture, especially when shifting weight.
Reason R: Postural Control Mechanisms
Statement (R) states that postural control relies on static and phasic reflexes integrated within the central nervous system (CNS). This is also correct. The CNS processes sensory information (from muscles, joints, eyes, inner ear) and orchestrates reflexes to maintain posture, involving both steady-state (static) and movement-related (phasic) responses.
Relationship Between Assertion and Reason
The reason (R) provides the underlying physiological explanation for the assertion (A). The automatic and unconscious nature of postural control mentioned in (A) is made possible by the complex integration of static and phasic reflexes within the CNS, as described in (R). These neural mechanisms enable the body to react automatically to changes in weight distribution and maintain equilibrium.
Conclusion
Both statements (A) and (R) are true, and Reason (R) correctly explains Assertion (A). The CNS's integration of reflexes is the mechanism behind the automatic, unconscious postural adjustments resulting from weight shifting.
Important Questions from Nervous system - Teaching
- Arrange the sequence of the Central Nervous System:
A. Dura matter
B. Sub-arachnoid space
C. Cerebrospinal Fluid
D. Arachnoid membrane
Choose the correct answer from the options given below: - The most recent reported evolutionary development of the brain convulsions has two main regions -
A. Dorsal portion
B. Ventral portion
C. Gyri
D. Sulci
Choose the most appropriate answer from the options given below: - Which of the neuron parts are in correct sequence:
A. Dendrite
B. Cell body
C. Axon
D. End Brush
E. Terminal Bottom
Choose the correct answer from the options given below: - The inner most meninx which adheres to the surface of the central nervous system is.
- The basal ganglia structures dominate the entire motor functions of -
A. Elephant
B. Human
C. Birds
D. Reptiles
Choose the most appropriate answer from the options given below:
