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ICE Princess25 [194]
3 years ago
11

According to the National Institute of Health, ventricular tachycardia is a fast, regular beating of the ventricles that may las

t for only a few seconds or for much longer. A few beats of ventricular tachycardia often doesn't cause problems. However, episodes that last for more than a few seconds can be dangerous. Ventricular tachycardia can turn into other, more serious arrhythmias, such as ventricular fibrillation.
Based on the passage above, how will prolonged ventricular tachycardia affect blood pressure?

1. It will increase blood pressure because the ventricles are contracting with more force.
2. It will increase blood pressure because the ventricles are filling with more blood between beats. (WRONGG!)
3. It will decrease blood pressure because there is a longer rest period beats of the ventricles
4. It will decrease blood pressure because the ventricles are filling with less blood between beats.
Chemistry
1 answer:
jarptica [38.1K]3 years ago
3 0

Answer:

1 makes the most sense

Explanation:

There is no way blood pressure will be decreased especially if your ventricles are erratically contracting for a long period of time. So 3 and 4 are out. And you said number 2 is wrong so my finally answer is 1.

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7 0
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Iron has a density of 7.87 g/cm3. What is the volume in cm3 of 3.729 g of iron?
KIM [24]

If iron has a density of 7.87g/cm³ and a mass of 3.729g, then the volume of iron is 0.474cm³

HOW TO CALCULATE VOLUME:

  • The volume of a substance can be calculated by dividing the mass by its density. That is;

Volume (mL) = mass (g) ÷ density (g/mL)

  • The density of iron is given as 7.87g/cm³ while its mass is 3.729g of iron. Hence, the volume can be calculated as follows:

Volume = 3.729 ÷ 7.87

Volume = 0.474cm³

Therefore, the volume of iron is 0.474cm³

Learn more: brainly.com/question/2040396?referrer=searchResults

6 0
2 years ago
An exciton is: A charged particle made of electrons A charged particle made of holes A neutral particle made of an electron and
Alex

Answer:

A neutral particle made of an electron and hole

Explanation:

Exciton

It is the combination of an electron and a hole ( hole refers to the vacancy of an electron ) . And , as both the electron and the hole have the same charge but the polarity is opposite , the combination will lead to a neutral compound , i.e. ,  Exciton have no charge and so neutral .

It is free to move in the nonmetallic crystal and since it charge less , it is difficult to detect it directly .

7 0
3 years ago
Materials:
shusha [124]

Answer:

Nice experiment

Explanation:

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lyudmila [28]

Answer:

qualitative data :           quantitative data :      

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Explanation:

i got it right :) .

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