Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Chapter 16, Problem 19SAQ
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(a) Define hemostasis. (b) List the three major phases of coagulation. Explain what initiates each phase and what the phase accomplishes. (c) In what general way do the intrinsic and extrinsic mechanisms of clotting differ? (d) Which ion is essential to virtually all stages of coagulation?
To determine:
(a) The term "hemostasis".
(b) The three major phases of coagulation. Also, describe the components that initiate the phases and task
accomplished at each phase.
(c) The difference between intrinsic and extrinsic mode of clotting.
(d) The ion essential for coagulation.
The first step in the process of hemostasis is, (a) coagulation. (b) the platelet phase. (c) fibrinolysis. (d) vascular spasm.
Chapter 16 Solutions
Anatomy & Physiology (6th Edition)
Ch. 16.1 - List two protective functions of blood.Ch. 16.2 - Prob. 2CYUCh. 16.2 - Are plasma proteins used as fuel for body cells?...Ch. 16.3 - How many molecules of oxygen can each hemoglobin...Ch. 16.3 - Patients with advanced kidney disease often have...Ch. 16.4 - Which WBCs turn into macrophages in tissues? Which...Ch. 16.4 - Amos has leukemia. Even though his WBC count is...Ch. 16.4 - Prob. 8CYUCh. 16.5 - What is a megakaryocyte? What does its name mean?Ch. 16.6 - Prob. 10CYU
Ch. 16.6 - Prob. 11CYUCh. 16.6 - Prob. 12CYUCh. 16.7 - Nigel is told he has type B blood. Which ABO...Ch. 16.8 - Prob. 14CYUCh. 16 - The blood volume in an adult averages...Ch. 16 - Prob. 2MCCh. 16 - Prob. 3MCCh. 16 - The most numerous WBC is the (a) eosinophil, (b)...Ch. 16 - Blood proteins play an important part in (a) blood...Ch. 16 - The white blood cell that releases histamine and...Ch. 16 - The blood cell that can become an...Ch. 16 - Which of the following does not promote multiple...Ch. 16 - The normal pH of the blood is about (a) 8.4, (b)...Ch. 16 - Suppose your blood is AB positive. This means that...Ch. 16 - Prob. 11SAQCh. 16 - Prob. 12SAQCh. 16 - Prob. 13SAQCh. 16 - What nutrients are needed for erythropoiesis?Ch. 16 - (a) Describe the process of erythropoiesis. (b)...Ch. 16 - Prob. 16SAQCh. 16 - (a) If you had a severe infection, would you...Ch. 16 - (a) Describe the appearance of platelets and state...Ch. 16 - Prob. 19SAQCh. 16 - (a) Define fibrinolysis. (b) What is the...Ch. 16 - (a) How is clot overgrowth usually prevented? (b)...Ch. 16 - How can liver dysfunction cause bleeding...Ch. 16 - Prob. 23SAQCh. 16 - Prob. 24SAQCh. 16 - Prob. 1CCSCh. 16 - Prob. 2CCSCh. 16 - Prob. 3CCSCh. 16 - Prob. 4CCSCh. 16 - Prob. 5CCS
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- (a) Describe the steps of erythrocyte formation in the bone marrow.(b) What name is given to the immature type of red blood cell that is newly released into the circulation?arrow_forwardTo determine: (a) The biological term "Erythropoiesis" (b) The name given to immature cell type released into the circulation. (c)Differentiate between mature erythrocyte and immature erythrocytes.arrow_forwardWhen a blood vessel is injured or severed, the process leading to hemostasis is initiated. The first step in this process is vascular spasm. Platelets contribute to vasospasm in small vessel beds by which of the following mechanisms? (a)Elaboration of vascular endothelial growht factor (b)Presence of actin and mysoin in platelet cytoplasm (c) Production of thromboxanne A2 (d) Release of thrombosthenin (e) Synthesis of prostaglandinsarrow_forward
- (a)Define formed elements and list their three major categories. (b) Which is least numerous?(c ) Which comprise(s) the buffy coat in a hematocrit tube?arrow_forwardErythropoietin directly stimulates RBC formation by, (a) increasing rates of mitotic divisions in erythroblasts. (b) speeding up the maturation of red blood cells. (c) accelerating the rate of hemoglobin synthesis. (d) a, b, and c are correct.arrow_forward(a) Define fibrinolysis. (b) What is the importance of this process?arrow_forward
- During erythropoiesis in the bone marroW, which is the last cell to have a nucleus? O a) proerythroblasts O b) normoblasts O c) erythrocytes O d) reticulocytesarrow_forwardWhich of the following descriptions of erythrocytes is false? Erythrocytes (a) are shaped like biconcave discs, (b) have a life span of about 120 days, (c) contain hemoglobin, (d) have lobed nuclei.arrow_forward(a) What is a transfusion reaction and why does it happen? (b) What are its possible consequences?arrow_forward
- Which of the following statements about blood vessels is TRUE? A) Venules have large lumens, thin walls, & are high pressure vessels B) Arterioles have small lumens, thick walls, & are low pressure vessels C) True capillaries possess pre-capillary sphincters and are surrounded by smooth muscle cells D) Both A & B E) None of the abovearrow_forwardMyogenic behavior of arterioles:A) depends upon the intrinsic response of vascular smooth muscle to changes in transmural pressure. B)is probably not important in autoregulation.C)permits vessel wall tension to increase in direct proportion to transmural pressure. D) Requires sympathetic innervationsE)is a transient response that diminishes within secondsarrow_forward1.A patient comes into the ER who has just rapidly lost 30% of his bloodvolume. Which of the following would you predict?A)Baroreceptor afferent activity (firing rate) would be above normal.B)Blood pressure would be above normal.C)Plasma vasopressin would be above normal.D)Plasma angiotensin II would be below normal.E)Atrial "B" fiber activity (firing rate) would be above normal.arrow_forward
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