Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 42, Problem 25TYK
Summary Introduction
Introduction: Oxygen is an important life saving gas found in atmosphere. Almost all living things require oxygen to survive. Humans and other animals require oxygen for
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Which of the following is a true statement?
A. The concentration of oxygen in water is greater than that in air.
B. In animals with gills, ventilation helps to reduce the thickness of the
boundary layer.
C. Countercurrent flow at the gas-exchange surface results in the
diffusion gradient across surface.
D. Mammalian lungs requires the diaphragm because the lungs are
relatively stiff and filled with parabronchi.
At which point in the mammalian circulatory system does the partial pressure of oxygen in the blood experience its greatest increase?
A.
in the arteries of the heart
B.
in the pulmonary veins
C.
in the pulmonary capillaries
D.
in the pulmonary arteries
E.
in the aorta
Some deep diving mammal compress their lungs to remove air. What is FALSE about this
situation?
A. Some whales have ribs with joints that help the compression.
B. Removing air from lungs prevents lethal nitrogen bubbles (the bends).
C. The animals store 02 in their blood and muscles during dives
D. The air goes from their lungs into tiny spaces within their bones.
Which is biggest?
A. hemoglobin
B. iron
C. heme
Chapter 42 Solutions
Study Guide for Campbell Biology
Ch. 42 - Prob. 1IQCh. 42 - Prob. 2IQCh. 42 - In the following diagram of a mammalian...Ch. 42 - a. Name the valve between an atrium and ventricle....Ch. 42 - Prob. 5IQCh. 42 - Prob. 6IQCh. 42 - Prob. 7IQCh. 42 - What lifestyle choices have been correlated with...Ch. 42 - Prob. 9IQCh. 42 - Prob. 10IQ
Ch. 42 - Prob. 11IQCh. 42 - Identify the labeled structures in the following...Ch. 42 - Prob. 2SYKCh. 42 - Prob. 1TYKCh. 42 - Prob. 2TYKCh. 42 - Prob. 3TYKCh. 42 - Prob. 4TYKCh. 42 - During diastole, a. blood fills the atria and...Ch. 42 - Prob. 6TYKCh. 42 - As a general rule, blood leaving the right...Ch. 42 - The nurse tells you that your blood pressure is...Ch. 42 - Blood flows more slowly in arterioles than in...Ch. 42 - Prob. 10TYKCh. 42 - Prob. 11TYKCh. 42 - Prob. 12TYKCh. 42 - Prob. 13TYKCh. 42 - Exchange between the blood and the tissues of the...Ch. 42 - Which of the following processes would tend to...Ch. 42 - Prob. 16TYKCh. 42 - Prob. 17TYKCh. 42 - Prob. 18TYKCh. 42 - Prob. 19TYKCh. 42 - Prob. 20TYKCh. 42 - What do the alveoli of mammalian lungs, the gill...Ch. 42 - Prob. 22TYKCh. 42 - Prob. 23TYKCh. 42 - Prob. 24TYKCh. 42 - Prob. 25TYKCh. 42 - Prob. 26TYK
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- In which one of the following animals is respiration done by skin? A. Flying fishB. Sea horseC. FrogD. Chameleonarrow_forwardWhich of the following is NOT a way that carbon dioxide exits the body? * A. carbon dioxide travels down the concentration gradient and is able to diffuse from the tissues directly out of the body through its pores. B. carbon dioxide dissolves directly into the blood plasma to be carried to the lungs where it will be exhaled. C. Carbon dioxide binds with hemoglobin as red blood cell pass through tissues and is released as the blood cells reached the lungs. D. carbon dioxide converts into bicarbonate ions in the blood as it diffuses from the tissues and converts back to carbon dioxide as it reaches the lungs to be exhaled PLS ANSWWER ASP THANK YOUU SO MUCHarrow_forwardWhat is the biological advantage to the sigmoidal binding curve of hemoglobin for oxygen? A. It ensures that hemoglobin has a high affinity for oxygen. B. It allows hemoglobin to bind oxygen irreversibly. C. It ensures that hemoglobin can bind oxygen only weakly. D. It allows hemoglobin to shift between low and high affinities for oxygen.arrow_forward
- Where is the actual exchange of oxygen and carbon dioxide take place?* a. Veins b. Artery c. Capillaries 2. What type of blood vessels that contain valves to ensure blood flows in only one direction?* a. Veins b. Capillaries c. Artery What type of blood vessel that carry oxygenated blood away from the heart and also contain a strong, muscular middle layer that helps pump blood through the body? a. Capillaries b. Veins c. Arteryarrow_forwardWhich 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 will increase the rate of O2 uptake by a lobster? A. Increasing the partial pressure of O₂ in the hemolymph (i.e. blood) of the lobster B. Increasing the flow of water over the gill (i.e. increasing ventilation) C. Increasing the thickness (i.e. the hemolymph-to-water distance) of the gill D. Increasing the surface area of the scaphognathite E. All of the abovearrow_forward
- Which of the following can increase oxygen delivery to an actively metabolizing tissue? A. local reduction in pH in the active tissue B. relaxation of precapillary sphincters within the active tissue C. increased blood pressure as a consequence of tachycardia (that is, increased heart rate) D. increase in the number of open, perfused capillaries in the active tissue E. All of the above answer choices correctly answer the question.arrow_forwardWhich of the following statements is INCORRECT about how the components of hemoglobin are recycled? a. Iron ions are either stored in a phagocytic cell or circulate in the blood, bound to transferrin (a plasma protein). b. Each heme is stripped of its iron and converted to bilirubin, then excreted in bile. c. The alpha and beta chains are released into the bloodstream for use by other cells. d. Hemoglobin can be recycled only if phagocytized by macrophages.arrow_forwardWhich of the following statements about the oxygen-binding curves is FALSE? Select one: a. During normal activity (not exercising) the blood PO2 rarely falls below 40 mmHg. b. The PO2 and hemoglobin dissociation curve for myoglobin is to the left of fetal hemoglobin. c. The blood returning to the lungs is still 75% saturated with oxygen. d. A larger decrease in PO2 is needed for hemoglobin to drop from 100% to 75% O2 capacity than from 75% to 50% O2 capacity. e. During high metabolic activity the PO2 and hemoglobin dissociation curve would be expected to shift to the left of normal.arrow_forward
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