QUIZ ONE A&P 2

Plasma composes about ________ percent of whole blood, and water composes ________ percent of the plasma volume. 45; 55 92; 55 50; 50 92; 7 55; 92

55; 92

Aged and damaged erythrocytes are broken down by macrophages in the spleen. liver. None of the answers is correct. All of the answers are correct. bone marrow.

All of the answers are correct.

After donating 0.5 liter of blood, one would expect: An increased erythrocyte count An increased platelet count An increased neutrophil count An increased reticulocyte count Increased levels of clotting factors

An increased reticulocyte count

Each of the following is a way that blood transports materials around the body except Stored nutrients from the liver to the tissues Nutrients from the digestive tract to the body Carbon dioxide from the lungs to the tissues Wastes from the cells to the kidneys Hormones from the endocrine glands to the target cells

Carbon dioxide from the lungs to the tissues

The function of red blood cells is to Carry oxygen from the lungs to the body's cells. Carry carbon dioxide from the lungs to the body's cells. Defend the body against infectious organisms. Carry nutrients from the digestive system to the body's cells. Both carry carbon dioxide from the lungs to the body's cells and carry oxygen from the lungs to the body's cells.

Carry oxygen from the lungs to the body's cells.

A plasma protein essential for blood coagulation is Transport proteins. Immunoglobulin A. Fibrinogen. Albumin alpha. Platelets.

Fibrinogen.

Erythropoiesis is stimulated when Oxygen levels in the blood decrease Oxygen levels in the blood decrease and blood flow to the kidney declines Oxygen levels in the blood increase Oxygen levels in the blood increase and blood flow to the kidneys declines Blood flow to the kidneys declines

Oxygen levels in the blood decrease and blood flow to the kidney declines

Which of the following is not a component of plasma? Fibrinogen Platelets Albumin Electrolytes Amino acids

Platelets

An elevated hematocrit value is termed Anemia Polycythemia Reticulocytosis Macrocytic Hyperchromic

Polycythemia

The ________ is a procedure that is used to determine the number of mature erythrocytes. reticulocyte count RBC count differential count platelet count complete blood count

RBC count

Which plasma protein is a major contributor to the osmotic pressure of plasma? albumin fibrinogen steroid-binding protein hormone-binding protein gamma globulin

albumin

The most abundant proteins in blood plasma are transport proteins. lipoproteins. albumins. globulins. fibrinogens.

albumins.

The function of hemoglobin is to aid in the process of blood clotting. None of the answers is correct. All of the answers are correct. carry oxygen. defend against infection.

carry oxygen.

Hormones called ________ are involved in regulation of white blood cell populations. colony-stimulating factor erythropoietin (EPO) testosterone fibrin estrogen

colony-stimulating factor

The ________ is a procedure that is used to determine the number of each of the various types of white blood cells. mean corpuscular volume complete blood count hematocrit differential count reticulocyte count

differential count

Rouleaux refers to the ability of RBCs to form stacks. establish a large surface area-to-volume ratio. carry hemoglobin. squeeze through small capillaries smaller than their cell diameter. live without a nucleus.

form stacks.

The percent fraction of formed elements relative to whole blood is the specific gravity. differential cell count. hematocrit. viscosity. packed volume.

hematocrit.

Each heme ring in hemoglobin encloses an atom of magnesium. copper. iron. sodium. calcium.

iron.

All of the following are components of the cardiovascular system except capillaries. heart. lymph vessels. arteries. blood.

lymph vessels.

Platelets are pinched off from giant multinucleated cells in the bone marrow called myeloblasts. erythroblasts. megakaryocytes. normoblasts. lymphoblasts.

megakaryocytes.

In adults, erythropoiesis exclusively takes place in red bone marrow. lymphoid tissue. the liver. yellow bone marrow. the spleen.

red bone marrow.

When blood is fractionated, its components are ________ for the purpose of analysis. returned to the body combined lysed separated marked

separated

The most abundant component of plasma is nutrients. gases. ions. water. proteins.

water.

The average lifespan of a red blood cell is 4 months. 24 hours. many years. about 1 year. 1 month.

4 months.

A typical adult hematocrit is around 45 85 75 25 65

45

Formed elements make up about what percentage of blood? 55 percent 45 percent 60 percent 78 percent 20 percent

45 percent

The total volume of blood in the body of an adult male is approximately ____ liters 5 to 6 10 3 6 to 8 4

5 to 6

A hematocrit provides information on Sedimentation rate. Blood type. Clotting factors. Plasma composition. Formed elements abundance.

Formed elements abundance.

The waste product bilirubin is produced from Iron found in hemoglobin molecules Globin chains of hemoglobin Heme molecules lacking iron Abnormal proteins found in red blood cells Heme molecules plus iron

Heme molecules lacking iron

________ transport(s) oxygen and CO2 in the RBCs. Ribosomes Mitochondria Hemoglobin molecules DNA Components of the cytoskeleton

Hemoglobin molecules

Mary is tested for the amount of hemoglobin in her blood. The test results indicate that her hemoglobin level is 16 g/dL of blood. This value indicates that She may be suffering from a form of leukemia. Her hematocrit is probably lower than normal. She has fewer red blood cells than normal. Her hemoglobin level is normal. She is suffering from anemia.

Her hemoglobin level is normal.

Which organ secretes most of the plasma proteins? Kidney Liver Brain Pancreas Heart

Liver

The process of white blood cell production goes on in all of the following except: Thymus The lymph nodes Red bone marrow The spleen The kidney

The kidney

An increased mean corpuscular hemoglobin concentration is termed hyperchromic. macrocytic. reticulocytosis. polycythemia. anemia.

hyperchromic.