During the patellar reflex, you measure voltage change in the flexor muscle motor neuron cell body in the ventral horn of the spinal cord. After stimulation of the stretch receptors, which of the following would you observe? An EPSP An action potential An IPSP No change in voltage

Q: b) scorpion, he felt numbness in his fingers due to the neurotoxin produced by the scorpion which is…

A: Scorpion Venom would affect the duration and amplitude of an action potential.

Q: In a withdrawal reflex with reciprocal innervation:     inhibitory interneurons decussate from the…

A: Withdrawal reflex is a protective reflex. It is present during birth and thus persists throughout…

Q: γ-motor neuron discharge to a muscle is inhibited by impulses reaching the γ-motor neurons from all…

A: A gamma motor neuron cell bodies are located in the anterior grey column of the spinal cord. A gamma…

Q: During a typical action potential in a nerve, which of the following is happening?  Multiple…

A: Action potential generates when the neurons want to pass the information along the body from its…

Q: Inhibitory interneurons associated with the reflex arc are turned on by glutamate.  Group of answer…

A: The brain is the primary organ of the nervous system, accountable for receiving and interpreting…

Q: Which of these statements applies to the end plate potential? a. It occurs because of Na+ movement…

A: Introduction Endplate potentials (EPPs) are the voltage potential created at neuromuscular junctions…

Q: The following figure is showing; Node Node Myelin sheath Node of Ranvier (a) Na+ ONa* Depolarization…

A: Axons are slender fibres that stretch from a neuron, or nerve cell, and are accountable for…

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: 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: Start by giving one, detailed sentence that describes the figures below. Then tell me what is…

A: An action potential is a characteristic pattern of quick rise and subsequent decline in voltage or…

Q: he rate of conduction of an action potential along a nerve fiber is affected by a range of things.…

A: Introduction Nerve conduction:- It is an electrochemical process, Conduction of nerve impulse occurs…

Q: out of 1 Identify the correct sequence of numbers from the diagram above that response: receptor…

A: A reflex, often known as a simple reflex arc, is a neural network that controls a reflex. In…

Q: Tetrodotoxin is a poison that prevents voltage-gated channels from opening. Would this toxin prevent…

A: Tetrodotoxin is a potential neurotoxin which is extremely poisonous and can be found in the liver…

Q: Draw a reflex arc in place in the nervous system (recall Figure 12.11). Would the reflex still…

A: A reflex arc refers to the neuronal pathway that is followed by a reflex in response to a stimulus.

Q: Depolarization of a motor nerve is produced by the ____ of _____ channels in the nodes of Ranvier:…

A: The potential changes during the transmission of nerve impulse are called action potential. There…

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: A typical intracellularly recorded nerve action potential approximates 80 mV. Why were the recorded…

A: Action potentials captured outside of the cell differ significantly from those captured inside. It…

Q: In the parasympathetic nervous system, what neurotransmitter is released on the target organ? What…

A: Nervous system coordinates and controls the activities of the animals. Together, with the endocrine…

Q: If a somatic motor neuron fires an action potential, then ________.     acetylcholinesterase is the…

A: Somatic motor neurons originate in the central nervous system. The somatic motor division sends…

Q: A stronger stimulus means that the action potentials traveling down your nerves will have a higher…

A: Nerve is a complex structure comprising of a collection of neurone, blood vessels, lymph vessels and…

Q: There are reflex arcs that employ a gamma motor neuron wrapped around a muscle spindle and involve…

A: A stretch reflex involves sensation perception of the tap by the intrafusal fibres in the muscle…

Q: neuron of the median giant fiber of an earthworm would respond to an increased intensity of a…

A: Every cell membrane remains in a polarized state that is in a charged state. Whenever a response has…

Q: Somatic sensory and somatic motor information are propagated via specialized neurons. If you dip…

A: Neurons(nerve cells) are defined as the basic functional units of the brain and spinal cord where…

Q: the agonist muscle is stimulated to c antagonist muscle is inhibited. This relationship is referred…

A: In response to a particular stimulus, the instant and involuntary movements are known as reflexes.…

Q: During the Refractory period of the action potential, the neuron will: Select one: O a. Not respond…

A: Nerve cells or neurons are excitable cells of nervous system. A typical neuron consists of cell body…

Q: Action potential frequency in phasic receptors with a prolonged stimulus in tonic receptars with a…

A: The sensory system is composed of sensory receptors that are present at the peripheral ending of the…

Q: Two neurotransmitter the mediate nociceptive information in the dorsal horn of the spinal cord are:…

A: Introduction  ACh is the main excitatory transmitter of the ganglionic synapse.  GABA is an…

Q: Sunhil suffers from a stroke and loses the ability to move his right arm and hand. However, after…

A: * stroke mainly affects the shoulder,elbow and upper limb and hand. *Stroke will usually affect the…

Q: Increased γ-motor neuron discharge stimulates muscle spindles, because :-a- it produces stretch of…

A: A gamma motor neuron (γ motor neuron) is a type of lower motor neuron, which takes part in the…

Q: When they are not being stimulated, neurons have an electrical charge across their membranes called…

A: The control and coordination of the body in humans occur by two systems: the nervous system and the…

Q: Number the events of a reflex arc from 1 (first event) to 5 (last event). CNS sends output via…

A: A reflex is an unlearned, rapid, involuntary, and predictable response. A reflex arc is a neural…

Q: Sometimes you have lighting fast reflexes to protect yourself from a further dangerous situation –…

A: Reflex actions are associated with animal behavior in which the stimulation of sensory organs…

Q: Which statement is false? O The muscle spindle forms a monosynaptic connection with the alpha motor…

A: A muscle spindle consists of various different  muscle fibers (intrafusal fibers) that are…

Q: During the action potential, which of the following activity is LIKELY to occur? Select one: a. Na+…

A: An action potential (AP) occurs in physiology when the membrane potential of a given cell location…

Q: Consider three alpha-motor neurons of different sizes: small, medium and large. All three neurons…

A: Introduction Neurons are the basic building blocks of the nervous system, which is responsible for…

Q: Transcranial Magnetic Stimulation causes an involuntary motor output in response to a magnetic…

A: It is a non-invasive procedure through which virtual laceration are created in the brain with the…

Q: When the γ-motor neuron discharge to a muscle decreases, it causes :-a- increased muscle spindle…

A: The nervous system plays a major role in transmitting the reflexes from the tissues to the brain.…

Q: Match functions with parts of the central nervous system (CNS) This structure regulates voluntary…

A: The central nervous system is the main centre of the body responsible for regulating most of the…

Q: the refractory period limits the number .40 of action potentials that a given nerve cell can produce…

A: Neurons, muscle cells, and endocrine cells exhibit the property of excitability, hence they are able…

Q: The reticulospinal tracts :-a- are inhibitory to muscle toneb- are excitatory to muscle tonec- are…

A: The reticulospinal tracts are also known as anterior or descending reticulospinal tracts. They are…

Q: The corticospinal pathway is involved in: Activating skeletal muscle Activating smooth muscle…

A: The corticospinal pathway is the motor pathway that transmits efferent (motor) information from the…

Q: Ventricular Nucleus descend onto spinal motoneurons to control them. ney form a tract within the…

A: A motor neuron (or motoneuron or efferent neuron) is a neuron whose cell body is situated in the…

Q: During a relative refractory period of an action potential   A. Another action potential can be…

A: Action potential (AP) is the mode through which a neuron transports electrical signals. It is…

Q: Choose the type of information that the soft organ smooth muscle first order neuron are sending to…

A: Introduction: An instantaneous and involuntary action of movement responding to a stimulus is…