When a person is transfused with the wrong blood type
a. the white cells clot.
b. hemorrhaging occurs.
c. fibrinogen is activated.
d. the
... [Show More] erythrocytes agglutinate.
e. they bleed to death.
d. the erythrocytes agglutinate.
Which of the following statements regarding leukocytes is TRUE?
a. Leukocytes have no nucleus.
b. Leukocytes play a role in oxygen transport.
c. Leukocytes are the largest of the formed elements.
d. Leukocytes are only fragments of cells.
e. There is only one kind of leukocyte.
c. Leukocytes are the largest of the formed elements.
The hematocrit is
a. an estimate of blood flow/hour.
b. the number of WBCs per mm3.
c. the amount of hemoglobin by weight in the blood.
d. the percentage of RBCs in a given volume of blood.
e. the number of RBCs in the body.
d. the percentage of RBCs in a given volume of blood
During platelet plug formation, platelets release _____ and endothelial cells release ____ which lead to vasoconstriction.
a. endothelin; thromboxane
b. erythropoietin; thromboxane
c. thromboxane; histamine
d. histamine; heparin
e. thromboxane; endothelin
e. thromboxane; endothelin
In adults, red blood cells are made in one place, spend most of their lifespan in another, and most are finally destroyed in yet another place. Which choice lists these locations in the correct chronological order?
a. bone marrow; blood vessels; spleen
b. bone marrow; spleen; blood vessels
c. spleen; blood vessels; spleen
d. blood vessels; spleen; bone marrow
e. spleen; blood vessels; bone marrow
a. bone marrow; blood vessels; spleen
Choose the arrangement that lists the chemicals in the order in which they would be used for coagulation.
(1) thrombin
(2) fibrinogen
(3) prothrombinase
(4) activated factor XII
a. 3, 2, 4, 1
b. 4, 3, 2, 1
c. 4, 3, 1, 2
d. 3, 4, 1, 2
e. 3, 1, 4, 2
c. 4, 3, 1, 2
What vitamin is necessary to produce many clotting factors in the liver?
a. vitamin C
b. vitamin K
c. vitamin D
d. vitamin B3
b. vitamin K
All of the following describe ways that blood helps maintain homeostasis, except
a. stabilizing body fluids.
b. transporting carbon dioxide.
c. limiting the spread of pathogens.
d. transporting nutrients.
e. secretion of neuropeptides
e. secretion of neuropeptides.
Which of the following is mismatched?
a. aplastic anemia - bone marrow fails to produce erythrocytes
b. hemolytic anemia - increased destruction of erythrocytes
c. pernicious anemia - loss of blood from the body
d. iron deficiency anemia - lack of iron absorption for erythropoiesis
e. hemorrhagic anemia - loss of blood from the body
c. pernicious anemia - loss of blood from the body
Which blood type is considered the universal recipient?
a. Type A
b. Type B
c. Type AB
d. Type O
c. Type AB
Which of the following is (are) associated with decreased hematopoiesis?
a. hemorrhage
b. vitamin B12 deficiency
c. iron deficiency anemia
d. restricted blood flow to the kidney
e. both vitamin B12 deficiency and iron deficiency anemia
E. both vitamin B12 deficiency and iron deficiency anemia
Which of the following is an agranulocyte?
a. eosinophil
b. basophil
c. neutrophil
d. monocyte
e. erythrocyte
d. monocyte
Bilirubin
a. is found in white blood cells.
b. may be reused in erythropoiesis.
c. is formed from the globin groups of hemoglobin.
d. is made from bile.
e. may build up in the circulation and cause jaundice
e. may build up in the circulation and cause jaundice
When erythrocytes are destroyed, which of the following events occurs?
a. Urine output increases.
b. Iron is secreted into the bile.
c. Heme is transported by transferrin to the liver.
d. The globin portion of the molecule is broken down into amino acids.
e. Bile is manufactured by the gall bladder
d. The globin portion of the molecule is broken down into amino acids
RhoGam injections are given to
a. desensitize the fetus.
b. activate fetal Rh antigens.
c. protect the father.
d. prevent sensitization of the mother.
e. change the mother's blood type
d. prevent sensitization of the mother
Platelets
a. are also known as thrombocytes.
b. are actually fragments of cells.
c. play a role in preventing blood loss.
d. can become sticky when exposed to connective tissue
e. All of these choices are correct.
E. ALL OF THESE
When the antigens on erythrocytes bind with antibodies in the plasma,
a. agglutination of erythrocytes occurs.
b. hemolysis of leukocytes may occur.
c. the antibodies dissolve.
d. the blood group changes.
e. coagulation occurs
a. agglutination of erythrocytes occurs
Arrange the following events of coagulation in proper sequence.
(1) prothrombin → thrombin
(2) fibrinogen → fibrin
(3) activation of factor XII
(4) formation of prothrombinase
a. 4, 3, 1, 2
b. 2, 4, 3, 1
c. 3, 4, 1, 2
d. 3, 2, 4, 1
e. 1, 2, 3, 4
c. 3, 4, 1, 2
The function of plasmin is to
a. hydrolyze fibrin.
b. activate factor XII.
c. promote platelet plug formation.
d. control osmotic pressure of the blood.
e. promote the formation of plasma
a. hydrolyze fibrin
The oxygenated form of hemoglobin is called
a. oxyhemoglobin.
b. deoxyhemoglobin.
c. carboxyhemoglobin.
d. carbaminohemoglobin.
e. loaded hemoglobin
a. oxyhemoglobin
Which of the following is mismatched?
a. blood typing - determines ABO and Rh blood groups of a blood sample
b. blood crossmatch - donor and recipient blood cells are mixed together
c. complete blood count - includes RBC and WBC counts
d. differential count - determines the percent of each kind of leukocyte in the blood
e. hematocrit - percentage of total blood volume composed of RBCs
b. blood crossmatch - donor and recipient blood cells are mixed together
Macrophages are derived from
a. neutrophils.
b. lymphocytes.
c. monocytes.
d. basophils.
e. eosinophils
c. monocytes
What gas is also carried by a beta-globin that may help regulate blood pressure?
a. carbon monoxide
b. carbon dioxide
c. nitrogen
d. nitric oxide
d. nitric oxide
The ability of white blood cells to leave the circulation and enter tissues is called
a. chemotaxis.
b. diapedesis.
c. margination.
d. intrusion.
e. exocytosis
b. diapedesis [Show Less]