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3 years ago

What is the main difference between prescription drugs and illegal drugs?.

1 answer:

7 0

Legal drugs can either be bought over-the-counter or with a prescription from a medical doctor. Illegal drugs cannot legally be manufactured, bought or sold in the United States. And some other drugs are legal in some situations but illegal when abused

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if a patient has an ivc diameter less than two centimeters and upon inspiring the patient’s ivc walls collapse greater than 50 p

Zina [86]

During inspiration, a diameter decrease of the inferior vena cava (IVC) of 50% or more has been seen as a marker of normal central venous pressure.

Large veins that convey deoxygenated blood to your heart so it may receive oxygen are called the superior vena cava and inferior vena cava. The biggest vein in your body, the inferior vena cava, returns oxygen-depleted blood from the lower half of your body to your heart (below your diaphragm).

Your heart receives oxygen-poor blood from your upper body through your superior vena cava, your second-largest vein. The vital job of the superior and inferior vena cava is to transport oxygen-poor blood to the right atrium of the heart, where it passes into the right ventricle and then travels to the lungs (through the pulmonary artery) to exchange carbon dioxide for oxygen.

Blood that has been oxygenated returns to the left atrium of your heart via your pulmonary veins. Blood that is now carrying brand-new oxygen then travels to your left ventricle and aorta before being distributed throughout your body.

Therefore, a diameter decrease of the inferior vena cava (IVC) of 50% or more is a marker of normal central venous pressure.

Read more about the vena cava, here

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7 0

1 year ago

What is your favorite type of tea? Mine is TAZO wild sweet orange and vanilla chai

Alex777 [14]

Ice tea, green tea :)

3 0

3 years ago

Read 2 more answers

Can you explain how one government expenditure<br> might affect the economy?

Marrrta [24]

Taxes finance government spending; therefore, an increase in government spending increases the tax burden on citizens—either now or in the future—which leads to a reduction in private spending and investment. ... Government spending reduces savings in the economy, thus increasing interest rates.

7 0

3 years ago

Describe a method of calculating the flow rate in the normal pump versus the pump with the narrowed vessels you described above.

charle [14.2K]

Answer:

Taking into account that:

The flow velocity u of a fluid is a vector field

u = u (x, t)

What gives the velocity of a Fluid Plot at position x y time t.

q = || u ||

Now if the flow is continuous as it happens in the blood vessels then:

The flow of a fluid is said to be constant if it does not move over time, that is why the variant would be 0.

Explanation:

As for the pump with narrow vessels, there the area would be less, therefore the flow also and the flow velocity as well. Adding that the friction with the walls increases as it is narrower, thus generating an increase in pressure with the flow of the liquid.

So this is where we have to put emphasis on the biophysics branch that explains the following:

The Venturi effect is explained by the Bernoulli Principle and the principle of continuity of mass. If the flow rate of a fluid is constant but the section decreases, the speed necessarily increases after crossing this section. By the theorem of conservation of mechanical energy, if the kinetic energy increases, the energy determined by the value of pressure necessarily decreases.

Indeed, according to Bernoulli's principle:

P 1 + 21 ρv 12 + ρgh 1 = P 2 + 21 ρv 22 + ρgh 2

I don't know

3 0

4 years ago

Which of the following is not a possible side effect of ecstasy (MDMA) use?

fiasKO [112]

Answer:

You did not give the answer options, but I can help you by informing you of the possible side effects that this substance can cause:

Muscle tension, increased motor activity, muscle tightening, muscle pain, back pain, dry mouth, increased body temperature, blurred vision, episodes of psychosis, headaches, nausea, anxiety, hallucinations, loss of appetite, drastic changes in blood pressure, insomnia, agitation, panic attacks, anxiety, depression, fatigue, difficulty concentrating, irreversible damage to nerve cells.

Explanation:

Ecxtasy is an illegal psychoactive drug that causes intense sensations in its users, such as increased alertness, euphoria, well-being, physical and mental capacity, extraversion, sexual interest and extreme happiness. Although the effects are considered positive for the user, the substance is very harmful to the body and causes extreme and very dangerous side effects, which can cause devastating and irreversible results.

8 0

4 years ago