LAB MANUAL FOR HUMAN A&P MAIN VERSION
4th Edition
ISBN: 9781266871016
Author: Martin
Publisher: MCG
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Question
Chapter 41, Problem 1PL
Summary Introduction
Introduction:
Blood is composed of 45 % of blood cells and the remaining 55 % is the plasma. There are three types of blood cells; Red blood cells (Erythrocytes), white blood cells (Leukocytes) and platelets (Thrombocytes).
Expert Solution & Answer
Answer to Problem 1PL
Correct answer:
The correct answer is option (c) platelets.
Explanation of Solution
Explanation/justification for the correct answer:
Option (c) platelets. Platelets have no cell nucleus and they are fragments of cytoplasm. Major function of platelets is to react bleeding by clumping and initiating a blood clot, stopping further bleeding. Therefore. Option (c) is the correct answer.
Explanation for incorrect answer:
Option (a) erythrocytes. Erythrocytes are red blood cells. Erythrocytes also does not have a nucleus and contain hemoglobin which gives it a red color. The main function of red blood cells is to transport oxygen and carbon dioxide to and from the tissues. So, this option is incorrect.
Option (b) leukocytes. Leukocytes are also called white blood cells because they are colorless cells. The main function of white blood cells is to protect the body from foreign materials and diseases. So, this option is incorrect.
Option (d) plasma. Plasma is the liquid in which the blood cells and proteins are suspended. The main purpose of blood plasma is to transport nutrients, hormones and enzymes all over the body. So, this option is incorrect.
Conclusion
Platelets have significant functions mainly during bleeding. Hence, the correct answer is option (c) platelets.
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Chapter 41 Solutions
LAB MANUAL FOR HUMAN A&P MAIN VERSION
Ch. 41 - Prob. 1PLCh. 41 - Which of the following is among the agranulocytes?...Ch. 41 - Prob. 3PLCh. 41 - Prob. 4PLCh. 41 - Prob. 5PLCh. 41 - Prob. 6PLCh. 41 - Prob. 7PLCh. 41 - Erythrocytes we also called granulocytes because...Ch. 41 - Complete the following statements: Red blood cells...Ch. 41 - Prob. 2.2A
Ch. 41 - Prob. 2.3ACh. 41 - Prob. 2.4ACh. 41 - Complete the following statements: A mature red...Ch. 41 - Prob. 2.6ACh. 41 - Prob. 2.7ACh. 41 - Prob. 2.8ACh. 41 - Prob. 2.9ACh. 41 - Prob. 2.10ACh. 41 - Complete the following statements: White blood...Ch. 41 - Prob. 2.12ACh. 41 - Prob. 2.13ACh. 41 - Prob. 2.14ACh. 41 - Complete the following statements: Small cell...Ch. 41 - Identify the blood cells indicated in figure 41.7...Ch. 41 - Which leukocyte type would likely be elevated in a...
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