Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Chapter 18, Problem 1RQ
Summary Introduction
To determine:
The true statement about erythrocytes.
Introduction:
The human blood is the liquid connective tissue consisting of various kinds of cells. These cells are divided into three categories, namely erythrocytes, leukocytes, and thrombocytes. Erythrocytes are also known as red blood cells. Each variety of blood cells have distinct function and features.
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Which 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.
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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?
Chapter 18 Solutions
Human Anatomy
Ch. 18 - Prob. 1CYUCh. 18 - Prob. 2CYUCh. 18 - Prob. 3CYUCh. 18 - Prob. 4CYUCh. 18 - What are the two components of Wright’s stain,...Ch. 18 - Prob. 6CYUCh. 18 - Prob. 7CYUCh. 18 - Prob. 8CYUCh. 18 - Prob. 9CYUCh. 18 - Prob. 10CYU
Ch. 18 - Prob. 11CYUCh. 18 - Prob. 1RQCh. 18 - Prob. 2RQCh. 18 - Prob. 3RQCh. 18 - Prob. 4RQCh. 18 - Prob. 5RQCh. 18 - Match the names of the blood cells in column B...Ch. 18 - In typically stained monocytes, the blue cytoplasm...Ch. 18 - Which class or classes of formed elements form the...Ch. 18 - Prob. 9RQCh. 18 - Prob. 10RQCh. 18 - Describe the structure of platelets, and explain...Ch. 18 - What is the difference between a hematopoietic...Ch. 18 - Prob. 13RQCh. 18 - Prob. 14RQCh. 18 - Prob. 15RQCh. 18 - Prob. 16RQCh. 18 - Prob. 17RQCh. 18 - Prob. 18RQCh. 18 - Prob. 19RQCh. 18 - Prob. 20RQCh. 18 - Prob. 21RQCh. 18 - Prob. 22RQCh. 18 - Prob. 1CRCAQCh. 18 - Prob. 2CRCAQCh. 18 - Prob. 3CRCAQCh. 18 - Prob. 4CRCAQCh. 18 - Prob. 5CRCAQCh. 18 - Your child has had a moderate fever for 2 days. On...Ch. 18 - Prob. 7CRCAQ
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- 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_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_forwardThe first step in the process of hemostasis is, (a) coagulation. (b) the platelet phase. (c) fibrinolysis. (d) vascular spasm.arrow_forward
- When 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 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?arrow_forward(a) Define fibrinolysis. (b) What is the importance of this process?arrow_forward
- Match the names of the blood cells in column B with their descriptions in column A. Some names are used more than once. Column A Column B(1) destroys parasites (a) erythrocyte(2) has two types of granules (b) neutrophil(3) does not use diapedesis (c) eosinophil(4) stops the allergic response (d) basophil (e) lymphocyte (f) monocyte (5) the only cell that is not spherical (6) granulocyte that phagocytizes bacteria (7) the largest blood cell (8) granulocyte with the smallest granules…arrow_forwardRank the following leukocytes in order of their relative abundance in the blood of a normal, healthy person, from 1 (most abundant) to 5 (least abundant).__(a) lymphocytes__(b) basophils__(c) neutrophils__(d) eosinophils__(e) monocytesarrow_forwardIdentify the correct statment about blood (A) hemocytoblasts are the stem cells of blood cells (B) blood flows towards the heart in the order of arteries, arteriles, capillaries (C) thromboycytes come from common lymphoid progenitor cells (D) veins only carry deoxygenated bloodarrow_forward
- If the life span of an erythrocyte is 120 days, how many times a year would a sickle cell patient need to be given a blood transfusion to ensure a unit of healthy erythrocytes at any given time?arrow_forwardWhy are there so many more erythrocytes than leukocytes in both healthy and sick individuals?arrow_forwardWhat is the main function of an erythrocyte, and in what ways is an erythrocyte designed to efficiently carry out its function?arrow_forward
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