Anatomy & Physiology

Anatomy & Physiology Study Guide

18.9 Chapter Eighteen Practice Exam 1. The formed elements of the blood include _________________. a. Plasma, fibrin, and serum b. Albumins, globulins, and fibrinogen c. WBCs, RBCs, and platelets d. A, B, and C 2. Blood temperature is approximately _________________, and blood pH averages _________________. a. 36°C, 7.0 b. 39°C, 7.8 c. 38°C, 7.4 d. 37°C, 7.0 3. Plasma supplies approximately _________________ percent of the volume of whole blood, and water accounts for _________________ percent of the plasma volume. a.

6. The following is a list of the actions involved in the process of hemostasis: a. coagulation b. fibrinolysis c. vascular spasm d. retraction e. platelet phase 7. The correct sequence of these steps is _________________. a. 5, 1, 4, 2, 3 b. 3, 5, 1, 4, 2 c. 2, 3, 5, 1, 4 d. 3, 5, 4, 1, 2 e. 4, 3, 5, 2, 1 8. Stem cells responsible for lymphopoiesis are located in _________________. a. The thymus and spleen b. The lymph nodes c. The red bone marrow d. All of these structures 9. _________________ and _________________ influence almost every aspect of the clotting process. a. Calcium and vitamin K b. Calcium and vitamin B12 c. Sodium and vitamin K d. Sodium and vitamin B12 10. Dehydration would _________________. a. Cause an increase in the hematocrit b. Cause a decrease in the hematocrit c. Not affect the hematocrit d. Cause an increase in plasma volume

55, 92 b. 25, 55 c. 92, 55 d. 35, 72 Serum is _________________. a.

4.

The same as blood plasma b. Plasma minus the formed elements c. Plasma minus the proteins d. Plasma minus fibrinogen e. Two protein chains b. Three protein chains c. Four protein chains d. Four protein chains plus four heme groups e. Four heme groups without protein

plasma minus the electrolytes 5. A hemoglobin molecule is made of _________________. a.

Answer key found on page 366

©2018

Achieve Page 236

of 368