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inna [77]
2 years ago
14

Select the correct answer from each drop-down menu.

Medicine
1 answer:
olchik [2.2K]2 years ago
8 0

Answer:

Podiatrist

Explanation:

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Explain how neurons communicate. Include a description of the action potential and how the action potential is converted into a
suter [353]

Answer:

Action potentials and chemical neurotransmitters.

Explanation:

Neurons communicate with each other via electrical events called ‘action potentials’ and chemical neurotransmitters.  At the junction between two neurons (synapse), an action potential causes neuron A to release a chemical neurotransmitter.  The neurotransmitter can either help (excite) or hinder (inhibit) neuron B from firing its own action potential.

In an intact brain, the balance of hundreds of excitatory and inhibitory inputs to a neuron determines whether an action potential will result.  Neurons are essentially electrical devices. There are many channels sitting in the cell membrane (the boundary between a cell’s inside and outside) that allow positive or negative ions to flow into and out of the cell.  Normally, the inside of the cell is more negative than the outside; neuroscientists say that the inside is around -70 mV with respect to the outside, or that the cell’s resting membrane potential is -70 mV.

This membrane potential isn’t static. It’s constantly going up and down, depending mostly on the inputs coming from the axons of other neurons. Some inputs make the neuron’s membrane potential become more positive (or less negative, e.g. from -70 mV to -65 mV), and others do the opposite.

These are respectively termed excitatory and inhibitory inputs, as they promote or inhibit the generation of action potentials (the reason some inputs are excitatory and others inhibitory is that different types of neuron release different neurotransmitters; the neurotransmitter used by a neuron determines its effect).

Action potentials are the fundamental units of communication between neurons and occur when the sum total of all of the excitatory and inhibitory inputs makes the neuron’s membrane potential reach around -50 mV (see diagram), a value called the action potential threshold.  Neuroscientists often refer to action potentials as ‘spikes’, or say a neuron has ‘fired a spike’ or ‘spiked’. The term is a reference to the shape of an action potential as recorded using sensitive electrical equipment.

Neurons talk to each other across synapses. When an action potential reaches the presynaptic terminal, it causes neurotransmitter to be released from the neuron into the synaptic cleft, a 20–40nm gap between the presynaptic axon terminal and the postsynaptic dendrite (often a spine).

After travelling across the synaptic cleft, the transmitter will attach to neurotransmitter receptors on the postsynaptic side, and depending on the neurotransmitter released (which is dependent on the type of neuron releasing it), particular positive (e.g. Na+, K+, Ca+) or negative ions (e.g. Cl-) will travel through channels that span the membrane.

Synapses can be thought of as converting an electrical signal (the action potential) into a chemical signal in the form of neurotransmitter release, and then, upon binding of the transmitter to the postsynaptic receptor, switching the signal back again into an electrical form, as charged ions flow into or out of the postsynaptic neuron.

4 0
3 years ago
Which employer’s health plan is required to include parity provisions related to mental illnesses?
Archy [21]

The correct answer is; Insurance plans that are sold on the Marketplace, "most" small group and individual plans, and all state Medicare plans must provide some mental health services. The act states that there must be more than 50 workers.

Further Explanation:

The Mental Health Parity Act began in 1996 and the Mental Health Parity and Addiction Equity Act began in 2008. The MHPA of 1996 was started to help people with mental health issues get the needed help. This prevents insurance companies and any HMOs to place place limits, either annually or lifetime, that are on a plan with surgical and medical benefits on the plan.

Under this law, there is a a limit on how many days a patient can stay in an inpatient setting, outpatient appointments, raising the deductible on the insurance, and also the prescription psych medications.  

Learn more about mental illness at brainly.com/question/933852

#LearnwithBrainly

6 0
3 years ago
What major blood vessel Carries oxygenated blood away from the heart
statuscvo [17]

Answer:

the aorta, the large artery leaving the heart.

6 0
2 years ago
Read 2 more answers
Directions: Read the statement carefully. Identify the coping techniques that are used in the given coping skills.
Licemer1 [7]

Coping means to get used to a situation & to deal with it.

The coping skills used here are :-

  • Look at the problem as a challenge.
  • I know I can do it.
  • Seek advice from responsible family members/relatives.
  • Every day in every way I grow stronger and stronger.
  • Talk to a friend who can do something about it.
  • I did it well!
  • Come up with different solutions to the problem.

<em>I'm </em><em> </em><em>not </em><em>r</em><em>eally</em><em> </em><em>sure </em><em>about </em><em>the </em><em>answers </em><em>but </em><em>I </em><em>hope </em><em>it </em><em>helps.</em>

꧁✿ ᴿᴬᴵᴺᴮᴼᵂˢᴬᴸᵀ2222 ✬꧂

6 0
2 years ago
Read 2 more answers
Domanda 1
Taya2010 [7]

Answer:

solve  the followig problem and write in your answer sheet of paper

Explanation:

solve  the followig problem and write in your answer sheet of paper

4 0
2 years ago
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