3. Types of stimulation for excitable tissues. Correlation between threshold and excitability. Change of excitability during excitation: origin. Characteristics of excitability for nerves and muscles.

Q: Extracellular recordings create a distinct action potential. Choose the option that best describes…

A: INTRODUCTION :  Extracellular recordings - These are recordings of electrical potentials which are…

Q: Would a lower inervation raio Mear higher or Lower Control of Musele?

A: The number of non-motorized muscle contractions expressed by motor neurons, especially the normal…

Q: Role of neurotransmission

A: When do K+ ions  channels  begins to  open ans- aa soon as depolarization  occur  2. What is the…

Q: "After an action potential has just passed through the axon hillock, the voltage-gated Na+ channels…

A: Thank you for the question  Answer : If a second action potential can be generated it refers to as…

Q: Afferent neurons: Are involved with involuntary actions O Are involved with voluntary actions Send…

A: Afferent neurons are sensory neurons. They are present in the sense organs. It conducts sensory…

Q: During the relative refractory period: Can select more than one   K+ channels are open. Na+…

A: The action potential propagation is the method in which a stimulus travels through the neurons, and…

Q: 4. What does this diagram represent? Cau Dend

A: The nervous system that functions in the body to regulate other body systems has neurons as its…

Q: What is the main source of the electrical potentials recorded from the scalp of a human subject? In…

A: Introduction  When a neuron transfers information away from the cell body and down an axon, it…

Q: Describe the changes in the neuron membrane that occur throughout the course of an action potential.…

A: The action potential is an explosion of electrical activity that is created by a depolarizing…

Q: G. Nervous Tissues Tissue Type unipolar Source Tissue Type Source psendounipolar Tissue Source Type…

A: Nervous tissue is a body tissue which is involved in control and coordination. It comprises of…

Q: . List the classes of neurotransmitters, and provide briefdescriptions of their generalized…

A: Neurotransmitters are the chemical messenger that help in the transfer of signal from neurons to the…

Q: Explain the propagation of an action potential. 1. Start with a stimulus 2. Follow through two…

A: An action potential is a brief electrical signal that is transmitted along the membrane of a neuron…

Q: parasympathetic nervous system. Why would you want to do this?

A: The parasympathetic systema nervosum is accountable for the body's rest and digestion response once…

Q: Which of the following is TRUE about the nervous system? Select all that apply. All sensory input…

A: Nervous system coordinates and controls the activities of the animals. It can be subdivided into…

Q: Differentiate the receptors and responses of the sympathetic & parasympathetic nervous systems.

A: Two antagonistic and anatomically separated divisions comprising the autonomic nervous system are-…

Q: During an action potential the Na+ current is inward and K+ current is outward.  You may have been…

A:

Q: 4 phases: identify and describe what happens at each phase resting depolarization repolarization…

A: Action potentials are the electrical pulses that leads to the transmission of information along the…

Q: IT (4 5. Draw a graph of an action potential. Label the resting potential, threshold potential,…

A: The action potential is also called as nerve impulse. It can be defined as the electrical potential…

Q: Include three of the most important features of Nervous system and how it interacts with the…

A: A complex network of specialized cells known as neurons, which help in the transmission of signals…

Q: Describe the autonomic nervous system and in detail explain the two branches involved with balancing…

A: The autonomic nervous system regulates involuntary physiologic functions such as heart rate, blood…

Q: What do you mean by efferent nerves? Name the parts of body where they are present.

A: The nervous system regulates the various mechanisms in the body like locomotion. The nerve impulses…

Q: 1. Neural information traveling on the ventromedial, corticospinal, or rubrospinal tract" a. Is…

A: Neurons that are wired together to carry messages from one area of the nervous system to a different…

Q: Extracellular recordings create a distinct action potential. Choose the option that best describes…

A: Action potential is a kind of impulse that arises due to the stimulation of the neuron. It consists…

Q: 5. Mechanism of excitement conduction in synapses. Properties of a synapses Lability and its…

A: Neurons and nerve glial cells form a large network in the body that helps in the coordination of the…

Q: e primary motor area Multiple Choice contains more motor neurons for the thighs than the mouth.…

A: Its is area of brain located in precentral gyrus of frontal lobe. It gives rise to motor descending…

Q: channels there won t open for a period of time. However, if the stimulus is strong enough, another…

A: Refractory period is a period of time during which the cell ja incapable of repeating an action…

Q: "Patient X is a 60 year old female who exhibits increased muscle tone and a resting tremor. Patient…

A: Inhibitory circuits - Inhibitory circuits are based on the postsynaptic inhibition (most frequently…

Q: Describe how neurons communicate.

A: The nervous system in the human body is responsible for controlling all the body parts through…

Q: To examine: Whether the statement "Action potentials vary in their size" is true or false.

A: An action potential is a dramatic increase and subsequent fall in voltage or membrane potential…

Q: Define neurotransmitter

A: The nervous system acts through nerve impulses along the axons of the neurons and neurotransmitters…

Q: Can you give examples of the upper extremity and lower extremity peripheral nerves versus nerve…

A: Examples of Upper extremity peripheral nerves: Median nerve Ulnar nerve Radial nerve Examples of…

Q: explain the function of the nervous system

A: Nervous system is one of the 12 body system that is divided into :-  I ) Central Nervous system  II…

Q: refers to the ability of neurons to respond to different stimuli. excitability secretion…

A: Nerve cells form a complicated network in the nervous system. The neurological system's basic unit…

Q: What statement is NOT true about the length constant? is the distance along the dendrite from the…

A: the length constant (λ) is a mathematical constant used to quantify the distance that a graded…

Q: Define neurotransmitter

A: As a Nerve impulse arrives at the synaptic knob of presynaptic neuron and start the depolarization…

Q: What is the term used to describe the state of an axon in the later phase of an action potential…

A: Introduction  A cell location's membrane potential experiences an action potential when it rapidly…