Anatomy Exam: Blood

What is the average normal pH of blood? A. 4.7 B. 8.4 C. 7.8 D. 7.4

Together, leukocytes and platelets comprise approximately ______ percent of total blood volume. A. 1 B. 45 C. 10 D. 75

Which blood type is called the universal donor? A. AB B. B C. O D. A

Which of the following is a protective function of blood? A. Maintenance of normal pH in body tissue B. Maintenance of body temperature C. Prevention of blood loss D. Maintenance of adequate fluid volume

An individual who is blood type AB negative ____. A. can donate to all blood types in moderate amounts B. can receive any blood type in moderate amounts except that with the Rh antigen C. can receive types A, B, and AB, but not type O D. can donate to types A, B, and AB, but not to type O

When neither anti-A nor anti-B clots on a blood plate, the blood is type ______. A. A B. B C. O D. AB

Select the correct statement regarding blood cell formation. A. The main sites of blood cell production in adults are the spleen and the liver. B. Red marrow is the main site of blood cell formation throughout adult life. C. Yellow marrow is the main site of leukocyte formation. D. Before the seventh month of fetal development, yellow marrow is the main site of blood cell formation.

Which of the following is not a phase of hemostasis? A. Fibrinolysis B. Platelet plug formation C. Coagulation D. Vascular spasm

Which of the following is a characteristic of all leukocytes? A. They are phagocytosis. B. They are nucleated. C. They have cytoplasmic granules. D. They are the most numerous of the formed elements in blood.

Platelets ______. A. Have a life span of about 120 days B. have multiple nuclei C. stick to the damaged area of a blood vessel and help seal the break D. are the precursors of leukocytes

Fred's blood was determined to be AB positive. What does this mean? A. Antibodies to A and B are present in the red cells B. His blood lacks Rh factor C. There are no antibodies to A, to B, or to Rh antigens in the plasma D. He can only receive blood from a donor who is AB positive

Which of the following is a precursor of a basophil? A. Monoblast B. Lymphoblast C. Myeloblast D. Megakaryoblast

Which of the following is a characteristic of a mature erythrocyte? A. It has a bioconcave disc shape. B. It has mitochondria. C. It is composed mostly of albumin and water. D. It has a nucleus.

Erythropoiesis is best defined as _____. A. albumin production B. leukocyte production C. red blood cell production D. platelet production

Overproduction of white blood cells is called _______. A. polycythemia B. leukopenia C. leukopoiesis D. leukocytosis

The precursor of all lines of blood cells is the _______. A. myeloblast B. hemocytoblast C. proerythroblast D. progranulocyte

Select the statement about red blood cells that is incorrect A. Oxyhemoglobin carries oxygen. B. Hemocrit is the percentage of WBCs out of the total blood volume. C. Red blood cells contain hemoglobin. D. Mature red blood cells lack nuclei.

The average blood volume for females is A. 4-5 L B. 5-6 L C. 6-7 L D. 3-4 L

Which of following occurs in red bone marrow? A. Erythropoiesis B. Leukopoiesis C. Thrombopoiesis D. All of the above

The smallest formed element is the A. Lymphocyte B. RBC C. Macrophage D. Platelet

Which of the following WBCs contains granules filled with chemicals involved in the inflammatory process? A. Basophils B. Lymphocytes C. Platelets D. Neutrophils

Lead the body's counterattack against parasitic worms; account for 1-4% of WBCs

T cells and B cells; account for 25% or more of WBCs

Contain histamine; account for 0.5% of WBCs

Body's bacteria slayers; 50-70% of leukocytes

Largest leukocytes; differentiate into macrophages; account for 4-8% of leukocytes

Leukemia refers to cancerous conditions of white blood cells.

The immediate response to blood vessel injury is clotting.

A person with type B blood could receive blood from a person with either type B or O blood.