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Rzqust [24]
3 years ago
7

According to PET scan results, what do cocaine addicts process less efficiently?

Biology
1 answer:
BabaBlast [244]3 years ago
3 0
Positron Emission Tomography scan of the brain of cocaine addicts showed that the drug affects how the brain use glucose. Cocaine users' brain cannot use glucose efficiently and there are also reduced metabolic activity in other areas of the brain.
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Explain how competition promotes resource partitioning
velikii [3]
Inter specific competition (when species compete for a resource in short supply) may lead to resource partitioning (differentiation of ecological niches) so that more species can live in one area, then if all of those species didn't have different ecological niches. 
4 0
3 years ago
An older adult client enjoys good overall health, but has just been diagnosed with pneumonia and has begun receiving an intraven
KonstantinChe [14]

The provided question is incomplete as there is no required options are available, however the option are as follows:

1. Dementia

2. Depression

3. Disorientation

4. Delirium

Answer:

The correct answer is delirium.

Explanation:

Delirium is alteration of the part of the brain that result in temporary effects in the brain such as mental confusion or emotional disturbance in brain. This case can be arise by the new effect of the drug or interaction of the drug to the brain.

In this case one can experience lack of paying attention, loosing temporary memory and many other condition.

Thus, the correct answer is - delirium.

7 0
3 years ago
Read 2 more answers
Which type of cell has no membrane-bound nucleus
stepan [7]
Well since there is no answer choice, I am going to say Prokaryotic cells<span> </span>
3 0
3 years ago
Read 2 more answers
The propagation of an action potential (AP) in an unmyelinated axon is called continuous propagation. This activity will test yo
Dimas [21]

Answer:

C, D, A, B, E

Explanation:

The sudden decrease or increase in the potential of cell membrane is Action potential. The stimulus (local current) allows change in the membrane potential, thus allowing depolarization of the membrane. This initiates the opening of Voltage Gated Na+ channels. The sodium starts entering the cell that is influx of Na+ and thus AP generated in adjacent axon segment. The sodium channels inactivates by membrane repolarization and activated pottassium channels allows the efflux of pottassium ions. The inactivation of potassium channels occurs by hyperpolarization ( low membrane potential) brings the membrane to its resting state. Thus, the correct order is C, D, A, B, E.

3 0
3 years ago
1. What animal plays an important role in enriching the soil with nutrients?
Fudgin [204]

Answer:

earthworms because they take a important role

8 0
3 years ago
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