The rattlesnake alerts enemies to its presence with a rattle—aset of modified scales at the tip of its tail. Describe the distinctroles of gated ion channels in initiating and moving a signalalong the nerve from the snake’s head to its tail and then fromthat nerve to the muscle that shakes the rattle

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A: Introduction  Neuron/Nerve: A neuron is a single nerve cell which consists of central cell body,…

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A: The synaptic transmission is regulated by the chemicals, that is relaying the nerve impulses across…

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A: Receptor adaptation refers to a gradual decrease in the stimulus-response of the body after constant…

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A: Answer is Option (e) into a change in the membrane potential of the sensory receptor cells

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A: The PNS (peripheral nervous system) comprises two systems, that is, the autonomic and somatic…

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A: Homeostasis can be defined as maintaining a constant internal environment in an organism. It…

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Q: All afferent signals travel what direction? O None of these is correct O Toward a muscle Toward the…

A: All afferent signals travel towards central nervous system.

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A: Acetylcholine is a neurotransmitter or chemical substance of nerve impulses within the central and…

Q: The drug epinephesine prduces effecs alpha and bo th of the beta adrenergic receptons. lwhich medi…

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Q: The conduction velocity in nerves is primarily dependent on the O localization of the Na+ / K+ pumps…

A: Nerve conduction velocity (CV) is an important aspect of nerve conduction studies. It is the speed…

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A: very low levels of potassium cause hypokalemia.  The most common cause is excessive potassium loss…

Q: In a reflex response, such as if you touched a hot stove: O It involves decision making O It…

A: In order to generate a reflex, nerve impulses follow a path, and this path is known as the Reflex…

Q: Which of these physiological changes would not beconsidered part of the sympathetic fight-or-flight…

A: The motor division of the peripheral nervous system is divided into autonomic nervous system (ANS)…

Q: Contrast the somatic nervous system with the ANS foreach of the following:a. number of neurons…

A: (b) The somatic and autonomic nervous systems have differences in the location of neurons. The…

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A: An action potential in the presynaptic cell produces an influx of Ca2+which promotes the exocytosis…

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A: Voltage gated Ion channels are present in the membrane and these open and close according to the…

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Q: neurotoxin

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A: Parkinson disease is a disease of central nervous system. Currently there is no cure of disease.

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A: Answer :- Option (B) is correct. - Less likely than regrowth in the central nervous system.

Q: Which of the following structures has activity like acetylcholine? H3C HC Et Me NMes INMeg H&C H3C…

A: Pilocarpine is the only drug which have same properties of acetylcholine that is used…

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Q: rue or false. The different subunits that a muscatinic acetylcholine receptor is made of determines…

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Q: Question B)

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A: Sensory pathways consist of the chain of neurons, from the receptor organs to the cerebral cortex,…