**Author**: Rodney Rhoades

**Publisher:** Lippincott Williams & Wilkins

**ISBN:** 9780781768528

**Size**: 77.80 MB

**Format:** PDF, ePub, Mobi

**View:** 437

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There are two simple rules used to determine how many vessels of different sizes

combine to give a single resistance to flow. In a system composed of

differentsized tubes arranged in series (i.e., sequentially, or end-toend), the

**total**
**resistance** of that system is simply the sum of the individual resistances. Or, R. ...

= XR. individual (7) total For example, if one were to examine the resistance of a

segment of a tapering artery where the proximal 1 cm of length had an R = 1 PRU

, the next 1 ...