BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 47, Problem 8U
Summary Introduction
Introduction:
Just like oxygen carbon dioxide is also a respiratory gas. But it is respired out of the body as this gas is not useful to humans in the process of respiration like oxygen. It is formed by the process of
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Most carbon dioxide is transported in the blood a. dissolved within the plasma as carbon dioxide. b. in association with hemoglobin. c. as bicarbonate ion. d. in combination with oxygen.
Carbon Dioxide is carried in the blood by all the following means except:
a.
dissolved in plasma
b.
as bicarbonate
c.
as carbonic acid
d.
bound to hemoglobin
e.
all of these methods are used to transport carbon dioxide in blood
Most of the carbon dioxide in the blood is carried in the form of a. dissolved CO2 b. carbaminohemoglobin. c. bicarbonate. d.carboxyhemoglobin.
Chapter 47 Solutions
BIOLOGY
Ch. 47.1 - Prob. 1LOCh. 47.1 - Prob. 2LOCh. 47.1 - Compare evolutionary strategies for maximizing gas...Ch. 47.2 - Prob. 1LOCh. 47.2 - Prob. 2LOCh. 47.3 - Prob. 1LOCh. 47.3 - Prob. 2LOCh. 47.3 - Describe the breathing cycle of birds.Ch. 47.4 - Prob. 1LOCh. 47.4 - Prob. 2LO
Ch. 47.4 - Prob. 3LOCh. 47.5 - Describe the structure of hemoglobin.Ch. 47.5 - Predict hemoglobins oxygen affinity in various...Ch. 47.5 - Prob. 3LOCh. 47 - Prob. 1DACh. 47 - Prob. 2DACh. 47 - Prob. 3DACh. 47 - Prob. 4DACh. 47 - For a given PO2, how does oxyhemoglobin saturation...Ch. 47 - Prob. 1IQCh. 47 - Prob. 2IQCh. 47 - Prob. 1UCh. 47 - Increased efficiency of gas exchange in...Ch. 47 - Prob. 3UCh. 47 - Prob. 4UCh. 47 - Ficks Law of Diffusion states the rate of...Ch. 47 - Prob. 6UCh. 47 - Prob. 7UCh. 47 - Prob. 8UCh. 47 - When you take a deep breath, your stomach moves...Ch. 47 - Marine mammals are able to hold their breath for...Ch. 47 - Countercurrent flow systems do not occur in lungs...Ch. 47 - Respiratory organs of invertebrates and...Ch. 47 - Prob. 5ACh. 47 - During exercise more oxygen is delivered to the...Ch. 47 - Compare the operation and efficiency of fish gills...Ch. 47 - What happens when, during exercise, the oxygen...Ch. 47 - Explain how bacteria, archaea, protists, and many...
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- The respiratory system_______. a. provides body tissues with oxygen b. provides body tissues with oxygen and carbon dioxide c. establishes how many breaths are taken per minute d. provides the body with carbon dioxidearrow_forwardUnderwater, we humans cant compete with whales and other air-breathing marine mammals, which can stay submerged for extended periods. At the beach one day you meet a surfer who tells you that special training could allow her to swim underwater without breathing for an entire hour. From what you know of respiratory physiology, explain why she is mistaken.arrow_forwardDue to its partial pressure gradient, carbon dioxide diffuses from cells into tissue fluid and into the ________; in the lungs, carbon dioxide diffuses into the ________. a. alveoli; bronchioles b. bloodstream; bronchioles c. alveoli; bloodstream d. bloodstream; alveoliarrow_forward
- In internal respiration: A. Carbon dioxide moves from alveoli into the capillary. B. Carbon dioxide moves from the capillary into the alveoli C. Carbon dioxide moves from the cells of visceral organs into the capillary. D. Carbon dioxide moves from capillary into cells of visceral organs.arrow_forwardVentilation of alveoli above the needs of metabolism tends to A. Increase the hydrogen ion concentration in the blood B. Increase the carbon dioxide concentration in the blood C. Leads to respiratory acidosis D. Decrease the carbon dioxide concentration in the blood E. Decrease the pH of the bloodarrow_forwardThe information provided suggests that: A. hemoglobin has more affinity to oxygen than to carbon monoxide. B. hemoglobin has more affinity to carbon dioxide than to carbon monoxide. C .carbon monoxide likely shifts the O2-Hb dissociation curve to the right. D. None of the abovearrow_forward
- How is most of the carbon dioxide transported by the blood in humans? A. Bicarbonate attached to hemoglobin. B. Bicarbonate ions in the pkasma. C. Carbon dioxide dissolved in plasma. D. Carbon dioxide attached to hemoglobin. E. Carbonic acid in the plasma. it is not Darrow_forwardThe following are the factors that affect rate of diffusion across respiratory membrane: a. Membrane thickness. b. Molecular weight and solubility of the gas. c. All of the above correct. d. Surface area. e. Partial pressure difference across respiratory membrane.arrow_forwardWhich of the following best describes the gas exchange that occurs in the lungs? A. carbon dioxide diffuses into the capillaries from the alveoli B. oxygen diffuses from the capillaries into the alveoli C. carbon dioxide diffuses from the capillaries into the alveoli D. oxygen diffuse into the alveoli from the capillariesarrow_forward
- Oxygen is mostly transported in the blooda. dissolved in plasma.b. bound to blood proteins.c. within HCO3−.d. bound to the heme portion of hemoglobin.arrow_forwardwhen carbon dioxide travelling in the plasma reaches the alveolus and is exhaled, then what happens is that a. the volume of CO2 dissolved in the plasma would continue to drop until it reached zero b. the bicarbonate ion volume in the plasma would increase c. respiration would be stimulated and tidal volume would go up d. the CO2 attached onto the hemoglobin would release CO2 into the plasmaarrow_forwardCarbon dioxide is mostly transported in the blooda. dissolved in plasma.b. bound to blood proteins.c. within HCO3−.d. bound to the heme portion of hemoglobin.e. bound to the globin portion of hemoglobin.arrow_forward
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