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boyakko [2]
2 years ago
9

Why does the action potential propagate in one direction

Medicine
2 answers:
almond37 [142]2 years ago
5 0

Answer:

This is achieved because the sodium channels have a refractory period following activation, during which they cannot open again. This ensures that the action potential is propagated in a specific direction along the axon.

Alex787 [66]2 years ago
3 0
Because the sodium channels have a refractory period following activation, during which they cannot open again. This ensures that the action potential is propagated in a specific direction along the axon. Sodium (Na+) ions flow in, potassium (K+) ions flow out, and we get an electrochemical gradient flowing down the length of the cell. ... Therefore, nerve impulses cannot travel in the opposite direction, because nerve cells only have neurotransmitter storage vesicles going one way, and receptors in one place.
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Which of the following refers to your muscles' ability to produce force and sustain contractions?
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What can you do to bring down a young childs tempature?
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h5n1 avian influenza is widely considered to be the most serious global pandemic threat today and is the target of much worldwid
Sveta_85 [38]

Possible assortment of the influenza genome with swine and human strains

What is human h5n1 infections?

influenza virus strains that primarily affect birds but can also infect people.

The most common way to catch this disease is through contact with sick birds. Additionally, it can be spread from person to person.

Within two to eight days, symptoms start to appear, and they may resemble the common cold. Shortness of breath, muscle aches, headaches, fever, sore throat, and cough are possible symptoms.

In humans, the sickness may result in a high fatality rate. If administered within two days of symptoms, several antiviral medications may be helpful.

Types A, B, C, and D are the four different types of influenza viruses.

  • Humans and a variety of animals are both susceptible to influenza A viruses.
  • An influenza pandemic could be brought on by the appearance of a brand-new, radically different influenza A virus with the capacity to infect people and maintain sustained human-to-human transmission.
  • Humans are exposed to influenza B viruses, which spread and lead to seasonal epidemics.
  • Seals can contract infections, according to recent evidence.
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Hence, Possible assortment of the influenza genome with swine and human strains

To learn more about influenzas click on the link

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7 0
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what clinical manifestations does the nurse recognize when a patient has had a right hemispheric stroke? quilzet
jolli1 [7]

The effects of a right hemisphere stroke may include: Left-sided weakness or paralysis and sensory impairment. Denial of paralysis or impairment and reduced insight into the problems created by the stroke (this is called "left neglect") Visual problems.

<h3>What is impacted by a stroke in the right hemisphere?</h3>

A right hemisphere stroke may result in sensory impairment and left-sided weakness or paralysis. Denial about paralysis or impairment as well as diminished awareness of the problems caused by the stroke are referred to as "left neglect." Visual issues., such as an inability to see each eye's left visual field.

<h3>Does a stroke on the right side impact speech?</h3>

Speech and communication issues are typically seen in right-brain injured stroke survivors. Because of their weak or uncontrolled left side facial and mouth muscles, many of these people have trouble pronouncing spoken sounds correctly. Dysarthria is the term for this.

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4 0
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Muscle soreness that appears one or two days after the injury (abbr.)_____
Aleks [24]

Answer:

DOMS

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