What are the purposes of the Absolute and Relative Refractory Periods?

Q: Describe the role of the vestibular apparatus in maintaining equilibrium.

A: The pair of ears is the sensory organ responsible for hearing and maintenance of the equilibrium of…

Q: What is the role of the relative refractory period?

A: Introduction Nerves play vital role in conduction of signals from CNS to various other organs, nerve…

Q: Describe the structure and function of sensory systems comprising the afferent division of the…

A: The nervous system can be understood as the part of an animal's body that will coordinate its…

Q: What is long-term potentiation?

A: BASIC INFORMATION  NERVOUS SYSTEM :- It is of two types namely Central nervous system (CNS) and…

Q: Define the term potentiation?

A: Potentiation in the field of neurological science was discovered by Terje Lømo in 1966 in the rabbit…

Q: What is the receptive field?

A: The neuron is formed of dendrites and axon. The dendrites are projection-like structures that…

Q: What is the vestibularsystem? How does it operate?

A: Vestibular system is a part of inner ear in vertebrates. In most of the mammals, it is a sensory…

Q: Explain the meaning and relevance of a sensory neuron’s receptive field?

A: The sensory neuron is a nerve cell and detects external signals. These receive information through…

Q: What is the role of afferent fibers?

A: Fibers are responsible for carrying nerve impulses to and from the central nervous system. They are…

Q: Differentiate between cold receptor and warmth receptor?

A: Receptors are the special structures that is found in or on the cell membranes. They are usually…

Q: Define and describe exteroceptors, interoceptors, and proprioceptors in terms of the general…

A: Sensory receptors are basically transducers that respond to a stimulus by changing it into a…

Q: What are afferent fibers?

A: Afferent neurons are sensory neurons that carry nerve impulses from sensory stimuli towards the CNS…

Q: Describe the structure of Afferent neurons? List its function?

A: The sensations travel through afferent neurons through variety of pathways due to their structural…

Q: what is relative refractory?

A: The refractory period refers to the specific time interval when the excitable cells (like neurons)…

Q: What is a sensory modality?

A: The cutaneous sensory systems have many aspects by which the whole sensory information is carried…

Q: Distinguish between interoceptors and exteroceptors.

A: Exteroceptors respond to stimuli from outside the body - vision, sound, touch, smell, temperature,…

Q: Define and give examples of receptive fields.

A: Receptive field The receptive field of a sensory neuron is a region of space in which the presence…

Q: Compare and contrast ionotropic and signaling. Which senses use which type?

A: The ionotropic receptors are ligand-gated ion channel openings. The metabotropic receptors, on the…

Q: How Interoceptors receive stimuli ?

A: The afferent neurons, also called sensory neurons, convert sensory stimuli into graded or action…

Q: Which body parts have the largest representation in the primary somatosensory area?

A: Areas of this a part of the human brain map to bound areas of the body, obsessed on the quantity or…

Q: What is relative refractory period?

A: Refractory period – duration of time during which the cell is unable to respond to a stimulus. It…

Q: Describe the three stages of the path of sensory information.

A: There are three stages of the path of sensory information. Here we will discuss them one by one.

Q: Define the term proprioception?

A: The sense organs and brain governs the body to form different activities and helps in the formation…

Q: How do the functions of Broca’s area and Wernicke’s areaeach relate to the activity of the…

A: Cerebral cortex is the furrowed, outer layer of gray matter in the cerebrum of the brain, which…

Q: What is the exact location of reticular fibres?

A: Reticular cell (fibroblast) synthesizes collagen alpha-1(III) which are used for the production of…

Q: Explain the physiological basis of the absolute and relative refractory periods?

A: The absolute refractory period can be defined as the period during which another action potential…

Q: Describe the spatial organization of the general bodyplan in the primary somatosensory cortex. Why…

A: The nervous system is responsible for coordinating the behaviour and transmitting signals throughout…

Q: Where do most second-order somatosensory neuronssynapse with third-order neurons?

A: Neurons synapse with each other for the conduction of signal or impulse.

Q: Differentiate between Dendrites and axons.

A: The network of nervous system consists of brain, spinal cord and nerves. The nervous system plays an…

Q: Given that Scott exhibited weakness in his right limbs and loss of painand temperature sensation in…

A: The human brain is a complex organ that relies on an ongoing blood supply. A disturbance in the…

Q: b) You are having a shower with warm water, and all of a sudden, the water turns ice cold! How do…

A: Sensory neurons are nerve cells that work through local sensory input - for example, when you touch…

Q: What is spatial summation?

A: Spatial summation is when progressively larger numbers of primary afferent (presynaptic) neurons are…

Q: What is gustatory cortex?

A: The gustatory cortex is also known as the primary gustatory cortex. It is the structure of the brain…

Q: Which of the following body regions has the greatest representation in the somatosensory cortex?

A: Somatosensory system The somatosensory system is present in all the major parts of the body. This…

Q: Two major material baroreceptors are located where?

A: Baroeceptors are a type of mechanoreceptors which are aimed at maintaining blood pressure and hence…

Q: What is Afferent neurons?

A: Neurons are the cells that are the basic units that constitute the brain and the nervous system.…

Q: Explain the work of the Vestibular System?

A: The vestibular system is made up of varied forms and pathways, but the primary components are…

Q: Do refractory periods help keep APs separate?

A: Refractory periods and action potential go simultaneously for most of the time. There are two…

Q: In general, how do sensory systems function?

A: The nervous system is one of the major organ systems of the body that help in different functions.…

Q: Define Refractory period and differentiate between Absolute refractory and relative refractory…

A: The action potential is a difference in concentration of Sodium (Na+) ions and Potassium (K+) ions…

Q: What is proprioception?

A: Proprioception is a continuous feedback loop between sensory receptors present throughout the body…

Q: Describe Proprioception

A: Proprioception is sometimes also called the 'sixth sense'.

Q: Which of the following pathways carries fibers that control fine touch, vibration, proprioception,…

A: ANSWER) (A) Dorsal column Medial lemniscus pathway carries the fibers that control fine touch,…

Q: What are some general similarities in how receptive fields are represented by the nervous system?…

A: The receptive field is a region in the sensory periphery that is influenced by a stimulus that…