Blood and Its Components Quiz

Which of the following is not true of blood in its transporting role?

• carries nutrients to cells from the gastrointestinal tract

• carries oxygen from the cells to the lungs

• transports hormones from glands to other parts of the body

• carries waste products for elimination

• all of these choices are true

One of the following is not a formed element found in blood.

• lymphocyte

• red blood cell

• platelet

• basophil

• all the above are formed elements

Which of the following statements is false?

• hematocrit is the ratio of red blood cells found in the blood

• polycythemia is indicated if the hematocrit is exceptionally high

• RBCs, WBCs, and platelets are whole cells found in blood

• a monocyte is a type of white blood cell

• anemia may be present if there is an abnormally low number of RBCs

Which of the following statements is true?

• a reticulocyte has a multilobed nucleus

• erythropoiesis is the production of white blood cells

• hypoxia increases the secretion of erythropoietin by the kidneys

• normally, erythropoiesis outpaces the production of red blood cell destruction

Which statement about blood is not true?

• about 10% of the formed elements are red blood cells

• blood plasma is over 90% water

• most of the proteins found in blood are made in the liver

• 55% of the blood is made up of blood plasma