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 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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All of the following are accurate statements about hemoglobin except a. hemoglobin carries oxygen on the Fe ion. b. hemoglobin carries carbon dioxide on the globin. c. hemoglobin carries only a small portion of the total carbon dioxide in the blood (less than 25%). d. hemoglobin releases oxygen at the level of the cell, making hemoglobin more saturated.
Which of the following is true about the proximal histidine of hemoglobin?
A. It forms a hydrogen bond with bound oxygen.
B. It is bonded to the Fe2+ atom coordinated by heme
C. It binds oxygen
D. It is not consumed in myoglobin
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.
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 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.arrow_forwardWhich 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.arrow_forwardInside a red blood, an oxygen molecule binds what other molecule? A. Glucose B. Hemoglobin C. Carbon Dioxide D. Alveoliarrow_forward
- Which of the following factors would increase the amount of oxygen discharged by hemoglobin to peripheral tissues? a. decreased amounts of DPG b. increased tissue PO2 c. decreased pH d. decreased temperature e. all of the abovearrow_forwardWhich of the components of hemoglobin is correctly matched with itsfate following the destruction of a red blood cell?a. heme—reused to form a new hemoglobin moleculeb. globin—broken down into amino acidsc. iron—mostly secreted in biled. All of these are correctarrow_forwardThe pigment that transports oxygen in an erythrocyte isa. fi brin.b. hemoglobin.c. deoxyhemoglobin.d. plasma.arrow_forward
- Which of the following causes an increase in hemoglobin’s 02 affinity? A. An increase in the partial pressure of oxygen. B. A decrease in ph C. An increase in the concentration of 2,3 -BPG D. An increase in the partial pressure of carbon dioxidearrow_forwardWhich of the following occurs during the chlorideshift? a. Chloride is removed from the erythrocyte.b. Chloride is exchanged for bicarbonate.c. Bicarbonate is removed from the erythrocyte.d. Bicarbonate is removed from the blood.arrow_forwardA man was poisoned with carbon monoxide and lossed consciousness. It happened in the result of formation of: A. oxyhemoglobin B. carbhemoglobin C. carboxyhemoglobin D. deoxyhemoglobin E. methemoglobinarrow_forward
- Which 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_forward1)Determine the properties of hemoglobin related to its chemical structure, function and color change during loading and unloading of oxygen. 2) To determine the hemoglobin content indicated by hematocrit.arrow_forwardEach hemoglobin molecule can become associated withoxygen molecule(s).a. one d. fourb. two e. an unlimited number ofc. threearrow_forward
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