Anatomy and Physiology II: Chapter 19 Questions and Verified Solutions

Anatomy and Physiology II: Chapter 19 Questions and Verified Solutions Plasma is closest in composition to - interstitial fluid. - CSF. - sterile water. - urine. - isotonic saline solution. - Answer -interstitial fluid The percent fraction of formed elements relative to whole blood is the - specific gravity. - hematocrit. - packed volume. - differential cell count. - viscosity. - Answer -hematocrit Which of the following is a function of the blood? - transport of nutrients and wastes - transport of gases - defense against toxins and - pathogens - transport of body heat - All of the answers are correct. - Answer -All of the answers are correct. Which of the following statements about blood is false? - Blood is about 55 percent plasma. - The normal pH of blood is 6.8 to 7.0.- Blood contains buffers that control pH. - Blood is more viscous than water. - Cells in blood comprise the formed elements. - Answer -The normal pH of blood is 6.8 to 7.0. Formed elements make up about what percentage of blood? - 20 percent - 55 percent - 30 percent - 60 percent - 45 percent - Answer -45 percent The combination of plasma and formed elements is called - extracellular fluid