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Thepotemich [5.8K]
2 years ago
13

Bệnh lao lây qua đường nào

Medicine
1 answer:
SVEN [57.7K]2 years ago
4 0

Answer:

tiếp xúc gần

Explanation:

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Healthcare providers are responsible for developing ____ ____ and policies and procedures regarding privacy in their practices.
miss Akunina [59]

Answer: Notices of Privacy Practices

Explanation:

3 0
1 year ago
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A client with a right leg fracture is returning to the orthopedist to have the cast removed. during cast removal, it is importan
kap26 [50]

A client with a right leg fracture is returning to the orthopedist to have the cast removed. During cast removal, it is important for the nurse to assure the client that he or she won't be cut.

<h3>What is cast for?</h3>

Cast is composed of a bandage that, when wet, can be molded and, when dry, becomes resistant. It serves to maintain the position of the injured place until everything is well again.

The position maintained by the cast is that of rest or reduction, in the case of fractures, so that the fractured bone does not move.

The cast immobilizes one joint above and one below the area to be treated.

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3 0
1 year ago
Which of the following eating disorders is associated with obesity?
mafiozo [28]

Answer: c. Binge-eating disorder

Explanation:

Binge is a eating disorder in which the person consumes large quantities of food often quickly and till the point the person experience discomfort due to overeating. In this eating disorder the person looses control over itself against the overeating. This leads to the condition of obesity. Other problems such as experience of shame, distress, guilt and purging to avoid the binge eating.  

5 0
3 years ago
A client who trains for triathlons has asked how much fluid he should consume between his morning runs and afternoon bike rides.
tiny-mole [99]

range of fluid intake would be most appropriate : 50-70%

What is average?

In everyday terms, an average is one number chosen to represent a list of numbers; it is often the sum of the numbers divided by the number of numbers in the list (the arithmetic mean). The average of the numbers 2, 3, 4, 7, and 9 (which add up to 25) is, for instance, 5. An average could be another statistic like the median or mode depending on the situation. Because the mean would be falsely high if it included the personal incomes of a few billionaires, the median—the amount below which 50% of personal incomes fall and above which 50% of personal incomes rise—is sometimes used instead.

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brainly.com/question/22390452

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3 0
2 years ago
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
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