A&P Ch 14 Part 2

The ______ cells are actively involved with allergies. A) eosinophil B) erythrocyte C) monocyte D) neutrophil

A) eosinophil Eosinophils release chemicals from their granules such as histamines that cause the symptoms seen in certain allergic reactions.

Which of these factors will increase the RBC or RCC? A) exercise B) dieting C) low body temperature D) decreased altitudes

A) exercise Periods of exercise, increased body temperature, large meals, and high altitudes all can cause an increase in red blood cell count.

Which organ has a primary role in stimulating blood cell formation? A) kidney B) liver C) bone marrow D) spleen

A) kidney The spleen does not stimulate the bone marrow.

Which leukocytes are the largest in the peripheral blood? A) monocytes B) lymphocytes C) basophils D) neutrophils

A) monocytes Although immature cells are usually larger than mature cells, the monocyte is the largest of the circulating peripheral leukocytes.

Red blood cells live around _______ before they disintegrate. A) one month B) 120 days C) 21 days D) three months

B) 120 days Red blood cells will maintain their integrity and live about 120 days.

The ______ cells are the usual sources of heparin. A) eosinophil B) basophil C) lymphocyte D) monocyte

B) basophil The basophils and tissue mast cells are sources of the anticoagulant heparin.

The ability called ________ explains how a white blood cell could be found in the urine. A) phagocytosis B) diapedesis C) ameboid movement D) infection

B) diapedesis The ability to move through narrow openings and leave the circulation is diapedesis; the movement is ameboid and may be in response to an inflammation or infection.

Which of the following is not a site of red blood cell production in the fetus? A) bone marrow B) kidney C) liver D) spleen

B) kidney The liver manufactures red blood cells in the fetus along with the spleen and bone marrow.

Which leukocyte does NOT have phagocytic properties? A) monocyte B) lymphocyte C) neutrophil D) polymorphonuclear leukocyte

B) lymphocyte Most leukocytes, especially the neutrophil, are phagocytic, but the lymphocyte does not have phagocytic abilities but functions to secrete chemicals such as antibodies.

Which of these did NOT develop from a myeloblast? A) basophil B) monocyte C) eosinophil D) neutrophil

B) monocyte The myeloblast gives rise to the granulocytes while the monocyte arises from the monoblast which is agranular.

Which of the following is the least essential for erythrocyte development? A) vitamin B12 B) vitamin B6 C) folic acid D) gastric intrinsic factor

B) vitamin B6 Gastric intrinsic factor is needed to absorb B12.

Which is the most common cancerous condition in children? A) myeloid leukemia B) lymphoid leukemia C) acute lymphoid leukemia D) chronic lymphoid leukemia

C) acute lymphoid leukemia Acute lymphoid leukemia (ALL) can occur at any age but is most common in children.

Which cell has no nucleus when it is mature? A) platelet B) neutrophil C) erythrocyte D) lymphocyte

C) erythrocyte The red blood cells gradually lose their nuclei as they leave the bone marrow and are released into the circulation.

Which of the following does NOT belong with the others? A) heme B) globin C) bilirubin D) biliverdin

C) globin The term globin refers to the protein in the hemoglobin which can readily be recycled; the heme will be degraded to bilirubin and biliverdin which are bile pigments which must be eliminated.

The condition called _______ is evidenced by a DIFF over 10,000 per cubic mm of whole blood. A) leukemia B) polycythemia C) leukocytosis D) leukopenia

C) leukocytosis Leukocytosis is a higher than normal differential whole blood cell count, but leukemic cells are abnormal cancer cells; a deficiency of white cells is called leukopenia.

Which cells release antibodies into the circulation? A) monocytes B) neutrophils C) lymphocytes D) basophils

C) lymphocytes The B-lymphocytes will respond to a foreign antigen by producing chemical antibodies which are intended to inactivate the invader.

Which white blood cells are the most common? A) leukocytes B) monocytes C) neutrophils D) lymphocytes

C) neutrophils Monocytes account for 3-8%.

Which of the following is a probably cause of leukocytosis? A) mumps B) chickenpox C) influenza D) appendicitis

D) appendicitis Most infections and some inflammations will elevate the white cell count, but there are exceptions such as salmonella food poisoning tor measles that exhibit lower counts.

Which of these is the earliest of this cell line? A) reticulocyte B) erythrocyte C) erythroblast D) hemocytoblast

D) hemocytoblast The hemocytoblast is the stem cell population of the developing erythrocytes and other blood cells.

Which of the following is a young platelet? A) progranulocyte B) basophilic band cell C) monoblast D) megakaryoblast

D) megakaryoblast The monoblast becomes the monocyte.