Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159080
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: Mcgraw-hill Education,
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Chapter 42, Problem 4PL
Summary Introduction
Introduction:
Blood coagulation is a mechanism that has a series of chain reactions. In the coagulation process blood changes its physical state into a solid state; gel from liquid state and form blood clots. Blood clots cease blood loss from the damage vessel.
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A constituent of plasma that forms the network of fibers in a clot isa. fibrinogen. c. platelets. e. prothrombinase.b. tissue factor. d. thrombin.
A blockage in a blood vessel caused by a mass of matter in the blood is called a(n):
a.
thrombocyte.
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thrombosis.
c.
embolus.
d.
thrombus.
e.
embolism.
Platelets have all of the following functions except:- a. coagulation. b. plugging broken blood vessels. c. stimulating vasoconstriction. d. transporting oxygen. e. recruiting neutrophils
Chapter 42 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 42 - Prob. 1PLCh. 42 - Prob. 2PLCh. 42 - Prob. 3PLCh. 42 - Prob. 4PLCh. 42 - Coagulation should normally occur within a. 10...Ch. 42 - Prob. 6PLCh. 42 - A normal blood total cholesterol level is less...Ch. 42 - The high-density lipoproteins (HDLs) are sometimes...Ch. 42 - Prob. 1.1CTCh. 42 - Prob. 2.1A
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- Which of the following circulating substances binds to subendothelium to initiate the formation of a platelet plug during vessel injury? A. Factor XII (Hageman factor) B. FibrinogenC. PlasminogenD. Platelet glycoprotein IIb/IIIa E. Thrombin F. von Willebrand factorarrow_forwardPlatelets a. form a plug by sticking to each other. b. release chemicals that stimulate vasoconstriction. c. provide phospholipids needed for the intrinsic pathway. d. serve all of these functions.arrow_forwardGiven these processes in platelet plug formation:(1) platelet adhesion (3) platelet release reaction(2) platelet aggregationChoose the arrangement that lists the processes in the correct orderafter a blood vessel is damaged.a. 1,2,3 c. 3,1,2 e. 2,3,1b. 1,3,2 d. 3,2,1arrow_forward
- The common pathway in coagulation ends with __________. a. release of PF-3 b. conversion of soluble fibrinogen to insoluble fibrin c. positive feedback of thrombin formation d. adhesion of platelets to a damaged vessel wallarrow_forwardWhich one of the following influences is not associated with thrombus formation? A. Endothelial injury B. Blood hypocoagulability C. Stasis of blood flow D. Turbulence associated with blood flowarrow_forwardMature erythrocytes Select one: a. do not contain protein. b. are actually just cellular fragments. c. mature from cells called megakaryocytes. d. have a centrally located nucleus. e. contain hemoglobin in their cytoplasm.arrow_forward
- In the adult, the stem cells for leukocytes reside in thea. blood.b. red bone marrow.c. liver.d. muscle.arrow_forwardProthrombin which helps in clotting of blood is released by: A. lymphocytes B. erythrocytes C. monocytes D. blood plateletsarrow_forwardProthrombin is converted to thrombin during the ________.a. intrinsic pathwayb. extrinsic pathwayc. common pathwayd. formation of the platelet plugarrow_forward
- Which of the following might trigger erythropoiesis? a. decreased tissue demand for oxygen. b. Blood oxygen levels fall below normal. c. moving to a lower altitude. d. an increased number of RBCs.arrow_forwardWhich of the following statements about erythropoietin is true a. It facilitates the proliferation and differentiation of the erythrocyte lineage. b. It is a hormone produced by the thyroid gland. c. It is a hemopoietic growth factor that prompts lymphoid stem cells to leave the bone marrow. d. Both a and b are true.arrow_forwardThrombocytes are more accurately called ________.a. clotting factorsb. megakaryoblastsc. megakaryocytesd. plateletsarrow_forward
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