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soldi70 [24.7K]
3 years ago
7

_______________ are considered effective in the short-term treatment of anxiety, regardless of the cause.

Biology
1 answer:
Viktor [21]3 years ago
4 0

Answer:

<u>Benzodiazepines</u> are considered effective in the short-term treatment of anxiety, regardless of the cause.

Explanation:

Benzodiazepines are the group of CNS drugs which are used extensively in the attacks of anxiety alongwith insomnia and seizures because they have extremely fast acting anti-anxietic effects.

Benzodiazepines cause dose dependant CNS depression that extends from sedation to anesthesia to respiratory depression and death.

These drugs act on the GABA receptors and potentiate the effect of GABA thus resulting in the increase in the frequency of CL- channel opening thus mediate antianxiety and impairment of cognitive functions.

Benzodiazepines include following drugs :

1) Alprazolam

2) Diazepam

3) Lorazepam

4) Oxazepam

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14. A structure with a chain of carbons and hydrogens with a COOH at the end will represent which of
pychu [463]

Answer:

The correct answer is a Protein

Explanation:

Proteins are macromolecules consisting of amino acids which are joined by peptide bonds.

         Protein molecule has two ends,  amino(-NH2) group is present at one end that is known as amino terminal end or N terminal end whereas carboxyl group is present at the another end that is called carboxy terminal end or C terminal end.

3 0
3 years ago
Question 1 (3 points)
SVETLANKA909090 [29]

Answer:

1. Electrons

2. thru the circuit from the negative power terminal to the positive power terminal

3. Current

4. Voltage

5. resistance

6. Amps

7. Volts

8. Ohms

9. The voltage is decreased by the electrical resistance.

10. It doesn't work. The electricity can't go backwards thru an LED.

11. The current will decrease.

12. 0.75 amps

13. The current increase

14. an inverse relationship

Explanation:

1. Electrons are what move through a circuit. These electrons are called mobile electrons. Unlike protons and neutrons, they are not confined in the nucleus and are free to move about.

2. Electrons tend to move towards the positive. When an electron moves to a stable atom,the atom would have too much electrons, making it negatively charged. This then would cause a chain reaction of passing on electrons to keep stable.

10.

3 to 8:

Collectively, the flow of electric current is dependent on four things: Voltage, current, resistance, and power.

Voltage is the like the driving force of current. It is the measure of the potential energy or electric potential difference between two points. The unit of voltage is volts, named after Alessandro Volta. You can think of volts as electrical pressure. The higher the voltage, the higher the pressure on the flow of charge.

Current is the "flow" of electrons. It could have another meaning though, in electronics, we refer to current as the volume of the flow of electrons. Current is measured in AMPERES or amps named after Andre M. Ampere. Current is a measure of rate, or the rate of the amount of electrons that flow through a certain point in a circuit, at a given time.

Resistance on the other hand is the opposing force. As electrons move along a circuit, there is bound to be friction. This friction opposes the movement of the electrons, which we call resistance. Resistance uses the unit ohms or the symbol Ω.

These three are all related. The flow of current is affected by how much voltage there is available or pressure available for the movement of the electrons, and at the same time, it is also affected to how much resistance there is in the circuit. And that is where Ohm's Law comes in.

9 and 11-14:

Ohm's Law describes the relationship between current, voltage and resistance. It can be summarized into this formula:

V = IR \rightarrow\; I=\dfrac{V}{R}\rightarrow\;R=\dfrac{V}{I}

Where:

V = voltage

I = Current

R = Resistance

9. When electricity is met with an electrical component, the resistance through that part of the circuit increases. However, the resistance does not change the potential difference between the two points, but rather, it changes the amount of current that flows through. This means that it does not affect the voltage.

11. But on the other hand, for this scenario, the resistance was increased from 10 Ohms to 15 Ohms. Current and resistance have an indirect relationship. This means that as one goes up, the other goes down. As the resistance increases, the less current is able to flow through and thus the current will decrease.

12. Using Ohm's Law we can solve this:

I = \dfrac{V}{R}

The following is our given:

V = 9 V

R = 12 Ω

We plug that in our formula:

I = \dfrac{V}{R}\\\\I = \dfrac{9}{12} = \dfrac{3}{4} = 0.75A

13. As mentioned earlier, current and resistance have an indirect relationship. So when you have this scenario where the resistance  chages from 20 Ω to 12Ω, you see that there is a decrease in resistance. This means that more current can flow through this circuit. So this means that the current increases.

14. was already explained above.

Hope this helps even just a little bit! Good Luck!

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In the context of brain-tissue implants, what is unique about stem cells? they survive for extended periods outside of the body.
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The correct answer is "<span>they can develop into most types of human cells".

Stem cells are cells that are undifferentiated to what function they may serve, depending on the tissue where it will develop in to. In the context of brain tissue implants, these stem cells can develop into brain cells or nerve cells or neurons which comprises the functional brain tissue; this is clinically significant as neurons are not capable of replacing themselves if damaged.</span>
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