A signal generated via a neurotransmitter in the synaptic cleft is considered an autocrine signal True False

Q: This type of neuron would carry a signal to the pituitary gland.

A: Neurons are the basic structural and functional units if nervous system. Neurons are specialized to…

Q: Which of these neurotransmitters is an endocannabinoid? O glutamate adenosine serotonin O all are…

A: Neurotransmitters are the chemical messengers in the body. These chemicals are secreted by a…

Q: Receptor for epinephrine consists of seven transmembrane helices. T/F

A: Epinephrine is secreted by adrenal medulla. It is also known as emergency hormone or hormones of…

Q: IP3, and cyclic AMP are known to be important second messengers that can increase or decrease in…

A: Cell signaling is the process by which the cells respond to their surroundings by means of signal…

Q: Glutamate is the major excitatory neurotransmitter in the brain. Because too much glutamate can…

A: Introduction : Glutamate is a substance used by nerve cells to communicate with other cells. It is…

Q: True or false: Amphetamine is both a potent reuptake inhibitor and a promoter of over-release of…

A: A neurotransmitter is a chemical messenger that carries signals between neurons (nerve cells), or…

Q: Fill in the left column of the table below with either the nervous or endocrine system —whichever…

A: Nervous system is communication using electrical impulse throughout the body. It is elicited by…

Q: True or false: Gasotransmitters, such as NO, break many of the "rules" of neurotransmission, but…

A: Gasotransmitters are neurotransmitters of gaseous nature that function as gaseous messenger…

Q: The catecholamines are released directly from axon terminals within the adrenal medulla during the…

A: The functioning of the human body is complex and it requires the coordinated action of many organ…

Q: Action potentials are changes in membrane potential that are localized to a small area of the plasma…

A: Answer :  Movements potential travels alongside a neuronal axon: The action capability is pushed…

Q: receptors have their neurotransmitter binding site and ion channel are components of different…

A: Answer 1: the receptors have their neurotransmitters binding site and ion channels are components of…

Q: True or false? During saltatory conduction, action potentials are regenerated at sites called gap…

A: The nerve impulse generation is depends on the generation of action potential. The action potential…

Q: There are many ways that people use cocaine. One method is to inject a combination of cocaine and…

A: Speedball: a. A speedball is a mixture of combination of heroin (derived from morphine) and cocaine.…

Q: Distinguish between synaptic, endocrine, and paracrine regulation.

A: Every living organism is made up of cells. A cell is a small self-contained unit within a whole…

Q: Recognize the examples given for each of the four categories of neurotransmitter

A: Neurotransmitters are the group of chemical agents that can transmit signals between the nervous…

Q: True or false Sympathetic and parasympathetic control is involved in genuine sexual function.

A: The nervous framework is an exceptionally unpredictable piece of a creature that arranges its…

Q: Tru or

A: There is release of neurotransmitters by the inhibitory pre synaptic neurons that bind to the post…

Q: Describe mechanisms by which synaptic transmission is rapidly stopped. Why is it important that…

A: The termination of neurotransmitters can occur in three ways: reuptake, enzymatic breakdown in the…

Q: The rising phase of the action potential is the direct result of the: O inflow of potassium O inflow…

A: A transient membrane potential reversal known as an action potential occurs when the membrane…

Q: If a graded receptor potential made the resting membrane potential of the axon more negative, you…

A: Instead of being all-or-nothing, graded potentials are changes in membrane potential that come in…

Q: The nodes of Ranvier are gaps in PNS axons between Schwann cells that have (high/low?)…

A: Nodes Of Ranvier are the small gaps present in the myelinated axons. These Nodes of Ranvier are…

Q: Two GPCR mutations (Mutant A and Mutant B) were tested for activity.  One was confirmed as being a…

A: G-protein coupled receptor is the largest group of membrane receptors and is diverse in nature. It…

Q: Neurons that secrete acetylcholine are described as neurons, whereas those that secrete…

A: The nervous system, an important organ system in the body. It consists of two main systems, namely…

Q: The substance that binds to and blocks a.12 receptor, preventing a natural neurotransmitter :or…

A: The location of the hormone receptors in a cell depends on the type of hormone it binds to. The…

Q: After an action potential has been initiated, there are two processes that prevent the membrane from…

A: The generation of action potential is very much important characteristics in nerve cells that is…

Q: An area called the diencephalon includes the thalamus, which serves as an integrating center for…

A: Endocrine glands are the glands which produce hormones. Hormones are the chemical messenger which…

Q: Caffeine's effects are attributable to its ability to stimulate CNS adenosine receptors

A: Caffeine is absorbed from the gastrointestinal tract and reaches the bloodstream after consumption.…

Q: The reason a heroin addict feels very ill immediately after going "cold turkey" from heroin is…

A: Chemical signaling allows cells to interact with one another. Different substances, like hormones…

Q: F09

A: We know that Catecholamines are hormones that are produced by the adrenal glands which are present…

Q: Describe the distribution of voltage gated ion channels in the nodes of Ranvier-vs-trigger zone/axon

A: Voltage gated ion channels are multi-subunit protein complexes that respond to changes in membrane…

Q: Neuroactive drugs, such as the antidepressant fluoxetine, function by affecting the metabolism of…

A: Fluoxetine is a selective serotonin reuptake inhibitor (SSRI) antidepressant.

Q: Which of the following statements about the relationship between the nervous and endocrine systems…

A: Nervous system and endocrine systems are  co-ordinate with each other. The master of endocrine…

Q: 2nd messenger

A: SECOND MESSENGER SYSTEMS All cells of the body react to their current circumstance. For most cell…

Q: TRUE OR FALSE? Do translatory conduction involves the entire length of the axon in the propagation…

A: TRUE OR FALSE? Do translatory conduction involves the entire length of the axon in the propagation…

Q: List the two types of voltage-gated channels that playimportant roles in the production of action…

A: Changes in membrane potential are brought about by changes in ion movement across the membrane. A…

Q: The hormone mechanism which results in the release of intracellular Ca++ is the:   Question…

A: Introduction Signals received by receptors at the cell surfaces are relayed throughout the cell via…

Q: As the axonal membrane depolarizes during the rising phase of an action potential, the amplitude of…

A: During the rising phase of an action potential, the correct statement is:The amplitude of Na+…

Q: what is the correct order of the phases of an action potential

A: Introduction: The resting membrane potential, often known as the resting potential, is a voltage…

Q: The place where a neuron and myocyte communicate is a call a _ junction

A: Neurons interact with other neurons and muscle cells through action potentials. They are short…

Q: the degree of whole body effect of a neurohormone in the body is larger than the effect of a…

A: Introduction :- Neurohormones are hormones that are produced by neurons and released into the…

Q: An influx of positive sodium ions eventually causes closing of the inactivation gates of voltage…

A: When a cell is at a resting state, generally the interior of the cell has negative charge than…

Q: Draw a presynaptic and postsynaptic neuron at to demonstrate the release and acceptance of a…

A: SNARE protein play important role in release of neurotransmitter from synaptic vesicles  as they…

Q: The monoamine hypothesis of depression proposes that monoamine oxidase is overproduced in very…

A: Monoamine consists of neurotransmitters which are mainly responsible for behavioral and…

Q: Once an action potential reaches a neurotransmitter release site, the release of the…

A: When an action potential reaches the end of an axon terminal, it triggers the opening of…

Q: What would happen if we reduced the quantity of acetylcholinesterase in the synaptic cleft, after…

A: In neuronal cells, acetylcholinesterase is an enzyme that is present in the neuromuscular junction…