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Sonbull [250]
3 years ago
15

Predict the consequences if presynaptic action potentials In an axon release insufficient acetylcholine to depolarize a skeletal

muscle fiber to threshold
Medicine
1 answer:
Simora [160]3 years ago
7 0

The consequences if presynaptic action potentials In an axon release insufficient acetylcholine to depolarize a skeletal muscle fiber to threshold

Explanation:

When an action potential reaches a neuromuscular junction, it causes acetylcholine to be released into this synapse. The acetylcholine binds to the nicotinic receptors concentrated on the motor end plate, a specialized area of the muscle fibre's post-synaptic membrane.

Acetylcholine is the neurotransmitter used at the neuromuscular junction—in other words, it is the chemical that motor neurons of the nervous system release in order to activate muscles. ... In the brain, acetylcholine functions as a neurotransmitter and as a neuromodulator.

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In behavioral terms, drugs like aspirin are considered negative reinforcers because they?
mr Goodwill [35]

In behavioural terms, drugs like aspirin are considered negative reinforcers because they stop a person from feeling pain.

Negative reinforcement is a method that can be used to help teach specific behaviours. With negative reinforcement, something uncomfortable or otherwise unpleasant is taken away in response to a stimulus. Over time, the target behaviour should increase with the expectation that the unpleasant thing will be taken away.

For negative reinforcement to work, whatever is taken away must be taken away immediately after the behaviour in question. The end result is to get whatever behaviour is happening to continue and even increase.

Example :

A person hears a loud alarm. They push the STOP button on the alarm to make the noise stop. Now whenever the alarm goes off, they push the STOP button as quickly as they can.

  • Before behaviour: Loud alarm
  • Behaviour: Person turns alarm off
  • After behaviour: No more annoying sound
  • Future behaviour: Person pushes STOP every morning to quiet alarm

Learn more about Negative reinforcement here : brainly.com/question/8517742

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3 0
1 year ago
Certain biological determinants of health may increase a population’s risk of environmentally caused health problems.
Solnce55 [7]

Answer: b. The elderly have a higher risk from toxic pesticides because they are less able to eliminate environmental toxins.

Explanation:

The older adults are expected to have health problems after a pesticide exposure. This is because of the fact that their metabolism is slow and the liver and kidneys are not able to remove the pesticides from the body. The liver and kidney may get injured during the exposure of the high doses of pesticides.

The longer a pesticide stay in the body of an old person this may result in more severe injury. As the body is slow in metabolism that is the conversion of the chemicals in the pesticides into less toxic metabolites. Thus the elderly people will not be able to eliminate the toxin from the body. The toxin will damage the vital organs and can lead to death.

4 0
3 years ago
cytosine makes up 20% of the nucleotides in a sample of DNA for an organism what percentage of the nucleotides in the sample wil
Zarrin [17]

Answer:

8% will be thymine

Explanation:I have a nursing book I looked it up

7 0
3 years ago
Mr. Jacob understands that there is a standard Medicare Part D prescription drug benefit, but when he looks at information on va
olga2289 [7]

Answer:

Medicare Part D drug plans may have different benefit structures, but on average, they must all be at least as good as the standard model established by the government.

Explanation:

8 0
3 years ago
What is the probability that an offspring from the cross in the genotype bb?
pashok25 [27]

Answer:

Im pretty sure it is 50% i am terribly sorry if its wrong but i like positive its that

Explanation:

4 0
3 years ago
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