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.
Chapter 42 Solutions
LABORATORY MANUAL FOR HUMAN ANATOMY & PH
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 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
- A 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_forwardEach hemoglobin molecule can become associated withoxygen molecule(s).a. one d. fourb. two e. an unlimited number ofc. threearrow_forwardWith the appearance of strong oxidizers in blood in erythrocytes one of the following substances is formed first of all: 1. carbhemoglobin 2. carboxyhemoglobin 3. oxyhemoglobin 4. methemoglobin 5. deoxyhemoglobinarrow_forward
- Why is hematocrit higher for an athlete training at high altitude? A. Low oxygen at high altiude causes increased white blood cell production. B. High oxygen at high altitude causes increased white blood cell production. C. Low oxygen at high altitude causes increased red cell production. D. High oxygen at high altitude causes increased red cell production.arrow_forwardWhich of the following factors play a role in theoxygen–hemoglobin saturation/dissociation curve?a. temperatureb. pHc. BPGd. all of the abovearrow_forwardWhich of the following might trigger erythropoiesis? a. decreased tissue demand for oxygen. b. Blood oxygen levels fall below normal. c. moving to a lower altitude. d. an increased number of RBCs.arrow_forward
- In order for oxygen to be transported an arterial blood it can a. All answers are correct b. attached to hemoglobin and float freely in the plasma c.attached to bicarbonate d. attached to hemoglobin e.float freely in the plasmaarrow_forwardThe process by which leukocytes squeeze through adjacent cells in a blood vessel wall is called a. leukocytosis b. positive chemotaxis c. emigration d. cytoplasmic extendingarrow_forwardWhich of the following statements are true of red blood cells (RBCs)? (Read carefully and select all of the correct statements.) A. The protein hemoglobin contains the mineral iron. B. The life span of an RBC is about 60 days. C. Hemoglobin that has given up its oxygen is called debonded hemoglobin. D.RBCs have a life span of 120 days. E. The RBC is also know as erythrocyte. OF. The RBC is also known as thrombocytes. Type here to search D 5 CENarrow_forward
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