LABORATORY MANUAL FOR HUMAN ANATOMY & PH
LABORATORY MANUAL FOR HUMAN ANATOMY & PH
4th Edition
ISBN: 9781260254426
Author: Martin
Publisher: MCG
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Chapter 42, Problem 3PL
Summary Introduction

Introduction:

Oxyhemoglobin is a compound that forms in blood when oxygen binds with a protein called hemoglobin. Hemoglobin forms a reversible and unstable bond with oxygen and oxyhemoglobin is bright red in color. Oxyhemoglobin carries oxygen to the tissues which are in a depletion of oxygen.

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Which of the following statements is true about hemoglobin? a.hemoglobin b. Each hemoglobin molecule is made up of one alpha and one beta chain polypeptide.  C. All that is needed to bind oxygen is a molecule of heme.  D. Each hemoglobin molecule can carry four oxygen molecules.
Which of the following situations occurs if a person's blood becomes more alkaline?   A. Hemoglobin molecules retain less oxygen per heme group under alkaline conditions than they do at neutral pH or under acidic conditions.   B. Hemoglobin molecules give up oxygen more readily under alkaline conditions than they do under neutral pH or under acidic conditions.   C. Hemoglobin molecules change shape and begin to lose oxygen molecules.   D. Hemoglobin molecules retain oxygen more readily under alkaline conditions than they do at neutral pH or under acidic conditions.   E. There is no change in hemoglobin's oxygen-binding affinity under alkaline conditions when compared to blood at neutral pH or under acidic conditions.
Which of the following describe(s) a characteristic or function of hemoglobin?a. Hemoglobin consists of four chains of amino acids.b. A hemoglobin molecule contains four iron ions to carry oxygen.c. In addition to transporting oxygen, hemoglobin molecules carry carbon dioxide and hydrogen ions.d. Hemoglobin is a protein found in all formed elements.e. There are four hemoglobin molecules in each red blood cell.
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