Fundamentals of Anatomy & Physiology Plus Mastering A&P with eText - Access Card Package (10th Edition) (New A&P Titles by Ric Martini and Judi Nath)
10th Edition
ISBN: 9780321908599
Author: Frederic H. Martini, Judi L. Nath, Edwin F. Bartholomew
Publisher: PEARSON
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Chapter 19, Problem 21RQ
Summary Introduction
Introduction:
Bilirubin is the waste product of heme. The heme unit is first converted into the biliverdin; this compound is converted into bilirubin and released into the blood stream which is secreted via bile.
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Most of the oxygen transported in blood is
A) Attached to the plasma membrane of red blood cells
B) Bound to the globin portion of hemoglobin
C) Bound to the heme portion of hemoglobin
D) Dissolved in the cytoplasm of red blood cells
Carbon monoxide (CO) is toxic to humans because it:
A)
is rapidly converted to toxic CO2.
B)
binds to the globin portion of hemoglobin and prevents the binding of O2.
C)
binds to myoglobin and causes it to denature.
D)
binds to the heme portion of hemoglobin and causes heme to unbind from hemoglobin.
E)
binds to the Fe in hemoglobin and prevents the binding of O2.
The iron (Fe), ion in the heme group of hemoglobin is bound to a:
OA) Cystine
OB) Histidine
C) Proline
OD) Glutamic acid
E) Valine
Chapter 19 Solutions
Fundamentals of Anatomy & Physiology Plus Mastering A&P with eText - Access Card Package (10th Edition) (New A&P Titles by Ric Martini and Judi Nath)
Ch. 19 - List five major functions of blood.Ch. 19 - 2. Identify the composition of the formed elements...Ch. 19 - Prob. 3CPCh. 19 - Prob. 5CPCh. 19 - Prob. 4CPCh. 19 - What would be the effects of a decrease in the...Ch. 19 - Prob. 7CPCh. 19 - Prob. 9CPCh. 19 - Prob. 10CPCh. 19 - How would liver disease affect the level of...
Ch. 19 - Prob. 8CPCh. 19 - Prob. 12CPCh. 19 - Prob. 13CPCh. 19 - Prob. 14CPCh. 19 - Prob. 15CPCh. 19 - Prob. 16CPCh. 19 - Prob. 17CPCh. 19 - Prob. 18CPCh. 19 - Prob. 19CPCh. 19 - Prob. 20CPCh. 19 - List the three primary functions of platelets.Ch. 19 - Prob. 22CPCh. 19 - Prob. 23CPCh. 19 - Prob. 24CPCh. 19 - Prob. 1RQCh. 19 - The formed elements of the blood include (a)...Ch. 19 - Prob. 3RQCh. 19 - Prob. 4RQCh. 19 - Prob. 5RQCh. 19 - Prob. 6RQCh. 19 - Prob. 7RQCh. 19 - Stem cells responsible for lymphocytopoiesis are...Ch. 19 - ______ and _______ affect almost every aspect of...Ch. 19 - Prob. 10RQCh. 19 - Prob. 11RQCh. 19 - Prob. 12RQCh. 19 - Prob. 13RQCh. 19 - Prob. 14RQCh. 19 - Prob. 15RQCh. 19 - Prob. 16RQCh. 19 - Prob. 17RQCh. 19 - Prob. 18RQCh. 19 - Prob. 19RQCh. 19 - Prob. 20RQCh. 19 - Prob. 21RQCh. 19 - Prob. 22RQCh. 19 - Prob. 23RQCh. 19 - Prob. 24RQCh. 19 - Prob. 25RQCh. 19 - Relate the structure of hemoglobin to its...Ch. 19 - Prob. 27RQCh. 19 - Prob. 28RQCh. 19 - Prob. 29RQCh. 19 - Prob. 30RQCh. 19 - Prob. 31RQCh. 19 - Prob. 1CCCh. 19 - Prob. 2CC
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- Which of the following can affect the binding of oxygen to hemoglobin? A) The pH of plasma OB) The levels of 2,3-bisphosphoglycerate C) Albumin levels in plasma D) a and b E) a and c OF) a, b and carrow_forward10) The heme group in myoglobin has a lower affinity for carbon monoxide as compared to free heme. What statement below best explains this observation? a) Myoglobin lowers the pH around the heme group. b) Myoglobin has negatively charged groups around the heme group. c) Heme is buried in the core of myoglobin making the heme inaccessible. d) Steric hindrance around the heme group caused by R groups in myoglobin. e) The iron ion of free heme is replaced with a copper ion in myoglobin.arrow_forwardWhy is the binding of oxygen to hemoglobin cooperative while the binding of oxygen to myoglobin is not? A) Myoglobin has more x-helix than hemoglobin B) Hemoglobin has more iron (Fe) atoms C) Hemoglobin has more than one subunit D) Myoglobin is affected by changes in pHarrow_forward
- Consider the representations A, B, and C for the three types of blood cells. (a) Identify each type of blood cell. (b) Which type is present in the highest concentration? (c) Which type is present in the lowest concentration?arrow_forwardOxygen has an allosteric interaction with hemoglobin. What are the results of this interaction as oxygen a) binds to and b) is released from hemoglobin?arrow_forward1)The form of hemoglobin with heme bonded to carbon monoxide is________a) oxyhemoglobin.b) deoxyhemoglobin.c) methemoglobin.d) carboxyhemoglobin.e) nitro hemoglobin. 2) Surfactant in the lungs prevents_______a) compliance.b) elasticity.c) surface tension.d) gas exchangee) increased blood flow. 3) Hypoventilation can correct______a) metabolic acidosis.b) respiratory acidosis.c) metabolic alkalosis.d) respiratory alkalosis.e) all of the above 4) In restrictive pulmonary disease, ______ is decreased. a) tidal volumeb) total lung capacityc) functional residual capacityd) expiratory volumee) residual volume 5) Which of the following substances is NOT excreted in the urine of healthy people?a) Penicillinb) K+c) glucosed) bicarbonatee) Natarrow_forward
- The differences between hemoglobin and myoglobin include a) hemoglobin exhibits a lower degree of O2 saturation at all physiologically relevant partial pressures of O2 than does myoglobin. b) all of the answers arecorrect. c) hemoglobin is a tetramer whereas myoglobin is a monomer. O d) hemoglobin exhibits O2 binding cooperativity while myoglobin does not.arrow_forwardOxygen and hemoglobin bind in a reversible manner to form______a) Carboxyhemoglobinb) Oxyhemoglobinc) Methoglobind) BPGarrow_forwardHow many oxygen molecules bound to hemoglobin to give 50% saturation?a) 6b) 4c) 2d) 7arrow_forward
- Which one of the following statements concerning Hb (hemoglobin) A1c is CORRECT? Question 4 options: a) HbA1c contains glucose molecules b) The concentration of HbA1c in the red blood cells (RBCs) decreases as RBCs age in the circulation c) Insulin injection can decrease the amount of HbA1c in the blood d) Weight is correlated with HbA1c concentrationarrow_forwardThe white blood cell which increases in number due to parasitic infections is found in what order of frequency? (A) first - most numerous (B) second (C) third (D) fourth (E) fifth - least numerousarrow_forwardWhat color is deoxyhemoglobin? Why?arrow_forward
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