Lesson 4

The temperature of blood is about _____ than measured body temperature. a. 1 degree Celsius higher b. 10 degrees Celsius higher c. 1 degree Celsius lower d. 10 degree Celsius lower

a. 1 degree celsius higher

The plasma protein that is the major contributor to osmotic pressure is: a. albumin b. gamma globulin c. fibrinogen d. alpha globulin

a. albumin

In the breakdown of hemoglobin, the globin chains: a. are broken down by macrophages b. are converted into biliverdin by macrophages c. are converted into bilirubin by macrophages d. contribute to the color of feces.

a. are broken down by macrophages

Which are characteristic of type A blood? a: Has anti-A antiboidies b: Has anti-B antibodies c: has surface antigen O on its erythrocytes d: has surface antigen A on its erythrocytes e: has neither surface antigen A nor B on its erythrocytes f: Wil agglutinate with blood type B a. b, c, d, f b. a, c, d, f c. a, d, f d. b, c, f e. a, c, f

a. b, c, d, f

The first phase in hemostasis is: a. Blood vessel constriction (vascular spasm) b. elimination of clots c. coagulation d. plagelet plug formation

a. blood vessel constriction (vascular spasm)

During platelet plug formation, platelets begin to stick to: a. collagen with the assistance of von Willebrand factor b. collagen with the assistance of prothrombin c. prostacyclin with the assistance of activated factor V d. prostacyclin with the assistance of thromboxane A2 e. proconvertin with the assistance of factor IX

a. collagen with the assistance of von willebrand factor

The clinical definition of the hematocrit refers to the percentage of: a. erythrocytes in the blood b. leukocytes in the blood c. platelets in the blood d. plasma in the blood e. all formed elements in the blood

a. erythrocytes in the blood

Blood stem cells are called: a. hemocytoblasts b. megakaryoblasts c. basophils d. lymphocytes

a. hemocytoblasts

Which of the following might trigger erythropoiesis? a. hypoxia of EPO-producing cells b. moving to a lower altitude c. an increased number of RBCs d. Decreased tissue demand for oxygen

a. hypoxia of EPO-producing cells

In the breakdown of hemoglobin, the iron: a. is transported by transferrin to the liver b. is transported by transferrin to the red bone marrow c. is transported by transferrin to the spleen d. All of the choices are correct

a. is transported by transferrin to the liver

What organ in the body regulates erythrocyte production? a. kidney b. pancreas c. brain d. liver

a. kidney

The "buffy coat" in a centrifuged blood sample is composed of: a. platelets and leukocytes b. leukocytes c. platelets d. erythrocytes e. erythrocytes and leukocytes

a. platelets and leukocytes

If agglutination occurs after a blood transfusion, it may indicate: a. the wrong blood type was used b. the recipient had type AB blood c. there were no agglutinins (antibodies) in the recipient blood.

a. the wrong blood type was used

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

a. there are no antibodies to A, to B, or to Rh antigens in the plasma

To compensate for significant blood loss, the autonomic nervous nervous system triggers. a. vasonstriction and an increase in heart rate b. vasoconstriction and a decrease in heart rate c. vasodilation and an increase in heart rate d. vasodilation and a decrease in heart rate

a. vasoconstriction and an increase in heart rate

The globulins make up about ________ percent of all plasma proteins. a. 58 b. 37 c. 4 d. 1 e. 85

b. 37

Typically, an adult's body contains ____ of blood a. 1 liter b. 5 liters c. 10 liters d. 15 liters

b. 5 liters

Which are characteristics of type O blood? a: Has anti-A antiboidies b: Has anti-B antibodies c: has surface antigen O on its erythrocytes d: has surface antigen A on its erythrocytes e: has neither surface antigen A nor B on its erythrocytes a. a, b, c b. a, b, e c. b, c, e d. b, c, d e. c

b. a, b, e

Oxygen-poor blood is ______ in color. a. bright red b. dark red c. light blue d. dark blue

b. dark red

If a patient becomes dehydrated, the percentage of plasma in a centrifuged sample of his or her blood would likely: a. increase b. decrease c. not change

b. decrease

The viscosity of blood is _____proportional to the number of erythrocytes and _______ proportional to the amount of fluid. a. directly, directly b. directly, indirectly c. indirectly, indirectly d. indirectly, directly

b. directly, indirectly

Which is going to result in significant agglutination? a. Donor is type A, recipient is type AB b. Donor is type AB, recipient is type B c. Donor is type B, recipient has antibody anti-A d. Donor is type A, recipient is type AB e. Donor is type O, recipient is Type O

b. donor is type AB, recipient is type B

The clinical definition of the hematocrit refers to the percentage of: a. leukocytes in the blood b. erythrocytes in the blood c. platelets in the blood d. plasma in the blood e. All formed elements in the blood

b. erythrocytes in the blood

Which of the following is NOT a phase of hemostasis? a. vascular spasm b. fibrinolysis c. platelet plug formation d. coagulation

b. fibrinolysis

The carbon dioxide molecules that bind to the hemoglobin molecule are attached to the _______ units. a. heme b. globin c. iron d. calcium

b. globin

The process of producing the formed elements of blood is called: a. leukopenia b. hemopoiesis c. leukocytosis d. erythroblastosis e. agglutination

b. hemopoiesis

When can erythroblastosis fetalis NOT possibly happen in the child an an Rh negative mother? a. if the father is Rh positive b. If the father is Rh negative c. If the child is Rh positive d. If the child is type O positive

b. if the father is Rh negative

Beta-globulins transport ______, whereas gamma-globulins are_______. a. antibodies, lipids b. iron ion, antibodies c. lipids, heavy metals d. oxygen, clotting proteins e. clotting factors, hormones

b. iron ion, antibodies

The reason it is more appropriate to call an erythrocyte a "formed element" rather than a "cell" is that erythrocytes: a. are actually dead b. lack a nucleus and organelles c. have lots of inclusion molecules d. are not red e. can form a rouleau when moving through a capillary

b. lack a nucleus and organelles

Leukocytes are the ____ of the formed elements, and leukocytes have: a. largest, no nucleus b. largest, prominent nuclei c. smallest, no nucleus d. smallest, prominent nuclei

b. largest, prominent nuclei

Which of the following is NOT derived from the myeloid cell line? a. Megakaryocyte b. Lymphocyte c. Leukocyte d. Erythrocyte

b. lymphocyte

A lack of intrinsic factor, leading to a deficiency of vitamin B12 and causing an appearance of large, pale cells called macrocytes, is characteristic of ______________. a. Polycythemia b. Pernicious anemia c. Apalstic anemia d. Sickle-cell anemia

b. pernicious anemia

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

b. receive any blood type in moderate amounts except that with the Rh antigen

Blood is correctly classified as a(an): a. Organ b. Tissue c. Organ system d. Intracellular fluid

b. tissue

The sequence in the breakdown of the non-iron portion of the heme is: a. Heme, biliverdin, conjugated bilirubin, biliruben, bilirubin derivatives, feces and urine b. Heme, biliverdin, biliruben, conjugated bilirubin, bilirubin derivatives, feces and urine c. Heme, bilirubin, biliverdin, conjugated biliverdin, biliverdin derivatives, feces and urine d. Heme, bilirubin, conjugated biliverdin, biliverdin, biliverdin derivatives, feces and urine

b.Heme, biliverdin, biliruben, conjugated bilirubin, bilirubin derivatives, feces and urine

The smallest and most abundant plasma proteins are the: a. globulins b. endocrine hormones c. albumins d. fibrinogens e. prothrombins

c. albumins

The term that describes blood disorders in which blood oxygen levels are inadequate to support normal metabolism is ________. a. Leukemia b. Lymphoma c. Anemia d. Hemophilia

c. anemia

Sodium, calcium, and bicarbonate are all described as plasma: a. solvents b. nutrients c. electrolytes d. proteins e. formed elements

c. electrolytes

The most numerous of the formed elements are the: a. neutrophils b. platelets c. erythrocytes d. basophils e. albumins

c. erythrocytes

The agglutinogens (or angitgens) that determine the ABO and Rh blood types are: a. found in the cytosol of the erythrocytes b. Located on the surface of the leukocytes c. Found on the surface of erythrocytes d. part of the reticular connective tissue of the spleen

c. found on the surface of erythrocytes

The special type of hemoglobin present in fetal red blood cells is: a. hemoglobin S b. hemoglobin B c. hemoglobin F d. hemoglobin A

c. hemoglobin F

Which of the following is true about blood plasma? a. It is the same as serum but without the clotting proteins. b. The main protein component is hemoglobin c. It is about 90% water d. It contains about 20 dissolved components.

c. it is about 90% water

Select the incorrect statement regarding blood cell formation (hint: you might have to review erythropoiesis on page 11) a. Erythrocytes are formed from normoblasts b. Eosinophils are formed from myeloblasts c. Platelets are formed from myeloblasts d. Lymphocytes are formed from lymphoblasts

c. platelets are formed from myeloblasts

Which term best describes the function of blood when considering the presence of leukocytes and antibodies? a. Regulation b. Prevention c. Protection d. Transportation

c. protection

The life span of an erythrocyte is about _____ days. a. 10 b. 30 c. 60 d. 120 e. 360

d. 120

Plasma makes up about _____percent of a centrifuged sample of whole blood. a. 25 b. 35 c. 45 d. 55 e. 75

d. 55

When neither anti-A serum nor anti-B serum clot on a blood plate with donor blood, the blood type is: a. AB b. A c. B d. O

d. O

An individual's hematocrit would vary with: a. age b. sex (gender) c. altitude d. All of the choices are correct

d. all of the choices are correct

Which are the characteristics of type Rh negative blood? a: Always has Rh (anti-D) antibodies b: only under certain conditions will Rh (antid-D) antibodies be present c: Always has Rh (D) antigen d: Only under certain conditions will the Rh (D) antigen be present e: Is inherited independent of the ABO group a. a, c b. b, c, e c. a, d, e d. b, e e. a, e

d. b, e

The hemoglobin found in erythrocytes is able to chemically attach to: a. only oxygen b. only carbon dioxide c. only nitrogen d. both oxygen and carbon dioxide e. oxygen, carbon dioxide, and nitrogen

d. both oxygen and carbon dioxide

When blood is centrifuged and its components separate, the bottom of the tube holds the: a. electrolytes and waste products b. buffy coat c. monocytes d. erythrocytes e. platelets f. Plasma

d. erythrocytes

Which of the choices below is the parent cell for all formed elements of blood? a. megakaryocyte b. polymorphonuclear cell c. normoblast d. hemocytoblast

d. hemocytoblast

Old erythrocytes are phagocytized in the: a. liver b. spleen c. lung d. liver and spleen e. spleen and lung

d. liver and spleen

All of the following can be expected with polycythemia except: a. increased blood volume b. high hematocrit c. high blood pressure d. low blood viscosity

d. low blood viscosity

Which of the following is NOT a characteristic that contributes to erythrocyte gas transport functions? a. Biconcave shape b. Produces energy anaerobically c. hemoglobin containing sack (bag) d. mitotically active

d. mitotically active

Hemopoiesis occurs primarily in the (in adults): a. Blood stream b. Heart c. Yellow bone marrow d. Red bone marrow

d. red bone marrow

Platelets _________. a. have a life span of about 120 days b. have multiple nuclei c. are the precursors of leukocytes d. stick to the damaged area of a blood vessel and help seal the break.

d. stick to the damaged area of a blood vessel and help seal the break

Which term best describes the function of blood when considering the presence of carbon dioxide and endocrine hormones? a. Regulation b. Protection c. Prevention d. Transportation

d. transportation

Blood plasma is slightly ______; if pH drifts out of the normal range, dire consequences can result from alterations in the structure of ______. a. acidic, glucose b. acidic, proteins c. acidic, glycogen d. basic, glucose e. basic, proteins

e. basic, proteins

Which leukocytes are derived from the myeloid line? a. Neutrophils b. Basophils and Eosinophils c. Lymphocytes and monocytes d. Lymphocytes e. Neutrophils, basophils, eosinophils, and monocytes

e. neutrophils, basophils, eosinophils, and monocytes

The production of erythrocytes is called:

erythropoiesis

Erythropoiesis produces platelets. True False

false

The percentage of volume of red blood cells is called the:

hematocrit

The production of leukocytes is called:

leukopoiesis

The production of platelets is called:

thrombopoiesis

A reticulocyte is a cell formed during erythropoiesis that has lots its nucleus and all organelles except some ribosomes. True False

true

Blood helps regulate the pH and the temperature of the body. True False

true

Free bilirubin is transported by the blood to the liver. True False

true

Iron is transported in the blood by transferrin. True False

true

Platelets are formed elements. True False

true