17. The Blood

The formed elements of the blood include (a) plasma, fibrin, and serum, (b) albumins, globulins, and fibrinogen, (c) WBCs, RBCs, and platelets, (d) all of these.

All of the following are true of RBCs excepta. biconcave disc shape,b. life span of approximately 120 days,c. contain hemoglobin,d. contain nuclei.

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

Plasma contributes approximately_____ percent of the volume of whole blood, and water accounts for percent of the plasma volume. (a) 55, 92, (b) 25, 55, (c) 92, 55, (d) 35, 72.

Blood proteins play an important part ina. blood clotting,b. immunity,c. maintenance of blood volume,d. all of the above.

Serum is (a) the same as blood plasma, (b) plasma minus the formed elements, (c) plasma minus the proteins, (d) plasma minus fibrinogen, (e) plasma minus the electrolytes

The normal pH of the blood is abouta. 8.4,b. 7.8,c. 7.4,d. 4.7.

What five major functions are performed by blood?

a. List the three major categories of formed elements.b. Which is least numerous?c. Which comprise(s) the buffy coat in a hematocrit tube?

Multiple ChoiceMore than one choice may apply.Plasma without the clotting proteins is calleda. serum.b. whole blood.c. fibrin.d. tissue factor.

Name the three major types of plasma proteins and identify their functions,

Albumina. is a blood buffer.b. helps maintain blood's osmotic pressure.c. distributes body heat.d. transports certain molecules.

If you had a high hematocrit, would you expect your hemoglobin determination to be low or high? Why?

a. Describe the process of erythropoiesis.b. What name is given to the immature cell type released to the circulation?c. How does it differ from a mature erythrocyte?

Name as many different categories of substances carried in plasma as you can.