Answer:
The correct option is b. myelinated axons from many neurons
Explanation:
White matter is an area which is present in the brain and the spinal cord, that are mainly consists of bundles of myelinated axons, also called tracts. The myelinated axons are the nerve fibres that are surrounded by a lipid-rich substance called myelin.
The presence of the myelin gives the tissue the white colored appearance in contrast to the cerebral cortex which is the grey matter.
Therefore, the myelinated axons from many neurons aggregate together to form the white matter present in the brain and the spinal cord.
Answer:
The point estimate of the difference in the population proportion of men and women who agreed is 0.005.
Explanation:
In statistic, point estimation comprises of the use of sample data to estimate a distinct data value (known as a point estimate) which is to function as a "best guess" or "best estimate" of an unidentified population parameter.
The point estimate of the population mean (<em>µ</em>) is the sample mean ().
Similarly the point estimate of population proportion (<em>p</em>) is the sample proportion ().
In this case we need to estimate the point estimate of the difference in the population proportion of men and women who agreed.
The point estimate of the difference in the population proportion of men and women who agreed will be the difference between the sample proportions.
The sample proportion of men who agreed that they felt science makes our lives healthier, easier and more comfortable is,
The sample proportion of women who agreed that they felt science makes our lives healthier, easier and more comfortable is,
Compute the difference between the two sample proportions as follows:
Thus, the point estimate of the difference in the population proportion of men and women who agreed is 0.005.
Answer:
The U.S. National Academies of Sciences, Engineering, and Medicine determined that an adequate daily fluid intake is: About 15.5 cups (3.7 liters) of fluids a day for men. About 11.5 cups (2.7 liters) of fluids a day for women.
Explanation:
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The estimated central venous pressure based on an IVC with a diameter of two centimeters that demonstrates more than 50 percent collapse with inspiration is 5-10cm.
The blood pressure in the venae cavae, which is close to the right atrium of the heart, is known as central venous pressure. The CVP measures both the volume of blood returning to the heart and the heart's capacity to pump blood back into the arteries.
A value of 8 to 12 mmHg indicates a normal central venous pressure. Volume status and/or venous compliance affect this value. With hypovolemia or a decrease in effective circulation volume, as with distributive shock, low central venous pressure (CVP) can happen. Because forward failure of the cardiac pump leads to a blood backup within the venous side of the system, cardiogenic shock (or fluid overload) can generate an increased CVP.
To know more about central venous pressure refer to: brainly.com/question/15460344
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