What terms denotes a sudden change (depolarization and repolarization) in the electrical properties of the neuron membrane? Action potential  Synaptic transmission  Event-related potential Postsynaptic potential ------------------------------------ You step on a brick, ouch. What type of nerve will bring the signal from your foot to your brain? Somatic afferent  Somatic efferent  automatic afferent  automatic afferent ---------------------------------------------- A given neurotransmitter is inhibitory. What might its receptors do?   Allow positive ions to enter the cell Allow negative ions to enter the cell  Allow positive ions to leave the cell B and C

Q: If a pre-synaptic cell releases a large amount of excitatory neurotransmitter into the synaptic…

A: Neurons are excitable cells that are specialized to carry electrical signals, often across long…

Q: Increasing the amount of action potentials that arrive at the presynaptic terminal will: (Can pick…

A: An action potential is generated when there are a rapid rise and fall of membrane potential across…

Q: In a combination of excitatory or inhibitory synaptic connections the following is true it is poorly…

A: The Stretch reflex is an example of a monosynaptic reflex with direct connections between the…

Q: If the membrane potential at the axon hillock becomes subthreshold, an action potential will be…

A: The region of the neuron from which the axon develops is known as axon hillock, and this region is…

Q: If you increase the amount of neurotransmitter in the synaptic cleft, how would you expect the…

A: Neurotransmitter These are defined as the chemical messengers that carry chemical signals from one…

Q: sometimes the terms neuron and nerve are mistakenly used interchangeably. explain the difference…

A: Neurons are the structural and functional unit of nervous system. They are composed of mainly two…

Q: Temporal summation refers to: summation of action potentials in the temporal cortex. summation of…

A: IntroductionThe process of summing, which encompasses both spatial and temporal summation, decides…

Q: A very rostral coronal slice of the human brain is most likely to cut through  The occipital lobe…

A: The brain is a mass of nerve tissue present in the head of an organism. The brain is also termed as…

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: For each FALSE statement, explain why it is incorrect.

A: The afferent division transmits impulses from peripheral organs to the CNS. The efferent or motor…

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: Compare and contrast graded potentials and action potentials. What are the functions of graded…

A: In animal cells, the plasma membrane expresses several types of ion channels that participate in the…

Q: O into the spinal nerve, past the dorsal branch and into the rootlet of the chest.

A: The correct answer is "into the spinal nerve, past the dorsal branch and into the rootlet of the…

Q: In the resting state, before or long after an action potential occurs, the activation gates of…

A: Voltage-gated Na+ channels have three main conformational states: closed, open and inactivated.…

Q: An autonomic neuroeffector junction Has the same structure as a somatic motor neuroeffector…

A: Neuroeffector junction is a site where a motor neuron releases a neurotransmitter to affect a…

Q: Mixed nerves contain both sensory and motor fibers? True or False

A: The nervous system:- is one of the organ systems in the human body that is highly specialized for…

Q: If an excitatory neurotransmitter binds to the post-synaptic neuron, what type of an event will that…

A:

Q: A nerve impulse travels faster in small myelinated fibers large myelinated fibers large unmyelinated…

A: Answer : large myelinated fibres. - at the speed of 179-268 miles per hour.

Q: Multiple axons in the peripheral nervous system bundled together by layers of connective tissue form…

A: The nervous system is like the central control unit of the body and controls and responds to stimuli…

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: Which of the following is TRUE:   Question 42 options:   The periosteum is the outermost layer of…

A: The nervous system is made up of the central nervous system and the peripheral nervous system: The…

Q: Areas of myelinated axons create the appearance of  _______ matter, while neuron cell bodies and…

A:

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: Which of the following nerves would be expected to have the slowest conduction rate of action…

A: An axon is a long, slender projection of a neuron (nerve cell) that typically conducts electrical…

Q: which way does the neurotransmitter NO move

A: The chemical messengers that transmit a message from a nerve cell to a target cell across the…

Q: a channel can be gated mechanically, voltage or by a ligand. When you hear a sound all three of…

A: Ligand-gated channels have a significantly enhanced permeability when a chemical ligand attaches to…

Q: ACh (acetylcholine) Brainstem CN I CN II CN III CN IV CN IX CN V CN VI CN VII CN VIII CN…

A: The Autonomic Nervous System (ANS) is related to the functions associated with the unconscious…

Q: Which of the following neuron structure - function parings is incorrect? Axon - extension of cell…

A: According to the question, we have to find out the neuron structure-function pairings which is…

Q: With respect to the three structural types of neurons (unipolar, bipolar & multipolar): State which…

A: The neurons are basic working units of the brain. They are specialized cells within the nervous…

Q: Anatomically, the motor endplate potential is characterized by synaptic boutons active zones O…

A: Motor endplate-The specialized postsynaptic area of a muscle cell(myocyte). The motor endplate lies…

Q: The NerveEpineurium - BluePerineurium - RedEndoneurium - YellowAxon - PurpleFascicle - Orange

A: Neurons, are nerve cells, also known as  brain cells that send and receive signals. While neurons…

Q: PhysioEx, Neurophysiology of Nerve Impulse

A: Neurophysiology of a nerve impulse includes the transmission of signals along the neuron,…