_________ summation occurs when multiple signals are arriving from _________ while _________ summation occurs when multiple signals are arriving from _________ . Select one: a. temporal; different presynaptic neurons; spatial; the same presynaptic neuron b. spatial; the same postsynaptic neuron; integral; the same presynaptic neuron c. differential; different postsynaptic neurons; temporal; the same presynaptic neuron d. spatial; different presynaptic neurons; temporal; the same presynaptic neuron

Q: Which of the following sentences is NOT correct? A. Axon can branch B. Afferent neurons are…

A: Axons can divide into many branches called telodendria. At the end of each telodendron is an axon…

Q: all of the following phrases decribe the same phenomenon except for one: a. action potential b.…

A: Introduction:- The skeletal muscles support the bones to maintain posture and control voluntary…

Q: Explain two possible reasons for neuron 2 not firing.

A: An action potential happens when the voltage or membrane potential of the cellular membrane, rapidly…

Q: You have isolated a neurotoxin from a newly discovered snake species. When you administer the toxin…

A: The presynaptic and post synaptic neuron are the two interconnected neuron which can communicate…

Q: Which of the following choices correctly fills in the blanks? After repolarization, the sodium ions…

A: The action potential is the process by which the signal propagates through the neurons, and this…

Q: Can you identify the structures of a neuron in Figure 14Aa, b?

A: Neurons are the basic functional unit of the nervous system. These are designed to transfer signals…

Q: Answer the following questions in regards to voltage-gated channels in the neuron: a. What is the…

A: The neurons are the functional units of the nervous system that helps in sensory and motor…

Q: Another name for the axon of a neuron is:- a. nerve fiber. b. neurofibril. c. neurilemma. d.…

A: Answer- Neuron is the main cell of the nervous system that helps in conduction of nerve impulses or…

Q: Which of the following accurately describes neurons? (Select all that apply.) All neurons have four…

A: A typical neuron is made up of a cell body, which contains the nucleus and the surrounding…

Q: Glutamate is an excitatory neurotransmitter associated with learning and memory.   Glutamate's…

A: Glutamate neurotransmitter  plays an essential role in normal brain functioning and its levels must…

Q: The cell body of a neuron does all of the following except a. release neurotransmitter into the…

A: The Cell body is the neuron's core and it is also called the soma. It carries genetic information,…

Q: Define each of the following and explain its importance to neuronal function: dendrites, soma, axon,…

A: The nervous system is the part of the body of an animal that coordinates its actions and transmits…

Q: n Neurology, please explain the relationship between suprathreshold depolarization and induced…

A: Neurons communicate with each other via electrical events called action potentials and chemical…

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: Which of the following is NOT an example of communication that happens from one neuron to another…

A: Answer: - Option a - Endocrine signalling (ex. hormones secreted into the bloodstream travel and…

Q: The image below shows a presynaptic cell releasing neurotransmitters that are being bound by the…

A: Neurotransmitters refer to the chemical messengers that are responsible for the transmission of…

Q: Identify the following as properties of electrical synapses, chemical synapses, or both

A: Introduction : The brain is the organ that is central to the nervous system. The nerves throughout…

Q: A synapse consists of:   a. a synaptic knob   b. neuron cell body   c. plasma membrane of post…

A: a synaptic knob, synaptic cleft, and plasma membrane of post synaptic neuron

Q: a)Explain how the presynaptic cell "knows" when to release its neurotransmitter into the synaptic…

A: Neurotransmitters are often referred to as the body’s chemical messengers. They are the molecules…

Q: If a synapse is said to be axodendritic, that means that the __________________ is the presynaptic…

A: Neurons are specialized cells that form the tissues of the nervous system. There are billions of…

Q: A presynaptic axon neurotransmitter acts to increase the postsynaptic neuron's permeability to…

A: Nerve cells are excitable cells whose principal function is to cause propagation of electrical…

Q: Immediately after the repolarization phase of an action potential, the neuronal membrane is…

A: The neurons are the specialized cells which make up the nervous system. These cells have a special…

Q: Taylor accidentally dips his fingers into a cup filled with steaming hot coffee. He immediately…

A: When touching a hot object the hands automatically withdrew due to the action of nervous system.…

Q: process in the nervous system.

A: The central nervous system (CNS) consists of the brain and the spinal cord that are protected by the…

Q: At an electrical synapse, presynaptic and postsynapticmembranes interface througha. neurofibril…

A: Gap junctions

Q: Neurofibromatosis type 1 is a condition where tumours can grow in the nerves near the skin. The…

A: Neurofibromatosis  is a condition characterized by changes in skin coloring (pigmentation) and the…

Q: What property is responsible for the smaller steady state DVm in the postsynaptic cell compared to…

A: The electrical activity in a neuron is characterized by the difference between the resting membrane…

Q: The gap between

A: The correct answer is b. Node of Ranvier

Q: Analyze the provided hypothetical neuronal set-up and its corresponding table which describes each…

A: Nerve impulses are the key to the brain. They allow neuron to communicate with each other to deliver…

Q: When a neuron reaches threshold voltage, all voltage-gated channels are triggered to make…

A: Neurons are specialized cells that transmit information in the nervous system. When a neuron…

Q: Assume a neuron is at rest and the following changes happen: Step 1: Neurotransmitter binds to an…

A: Neurotransmitters are compounds secreted from neurons at the synapse. The neurotransmitters can…

Q: A synapse with all of these; a postsynaptic dendrite, an astrocyte end foot, and the presynaptic…

A: Introduction :- Synapses are part of the circuit that connects sensory organs in the peripheral…

Q: What is the correct statement about the myelin sheath?   a It is produced by ependymal cells.   b…

A: Nerve is the part of nervous system. The nerve transmits the impulse from brain to body parts or…

Q: ____Synaptic potentiation ____ _________results when a presynaptic cell is stimulated repeatedly

A: Synaptic potentiation, synaptic potentiation results when a presynaptic cell is stimulated…

Q: an excitatory synapse and inhibitory synapse generate postsynaptic potentials on the same neuron…

A: PSP defines the changes of electric potential in a neuron for a transient period of time. It happens…

Q: During a neurobiology lecture, a professor repeatedly refers to group A and group B fibers, absolute…

A: Nerve impulse transmission occurs through the process of polarization and depolarization.…