For every 28 inches of height with gravity injection, how many pounds of pressure is created?

To understand why the chosen answer is correct, it helps to delve into the principles of hydrostatic pressure that apply in this context. When dealing with fluid dynamics, particularly in the case of gravity injection used in mortuary science, it is essential to recognize that the pressure exerted by a column of fluid is determined by the height of the fluid column and the density of the fluid.

In this scenario, for every 28 inches of height of the fluid column, there is a generation of 1 pound of pressure. This relationship arises from the fact that pressure increases with the height of the fluid due to the weight of the fluid above generating force on the fluid below. Essentially, for every increment of 28 inches, the pressure results in an additional 1 pound, which is crucial for ensuring effective fluid distribution during embalming.

This understanding highlights the significance of maintaining adequate pressure in the fluid injection systems utilized in mortuary practices, facilitating proper distribution throughout the vascular system of the deceased.