1 SEM ACC W/RAVEN CARDED
12th Edition
ISBN: 9781265486297
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 47, Problem 4A
Respiratory organs of invertebrates and vertebrates are similar in that
a. they use negative pressure breathing.
b. they take advantage of countercurrent flow systems.
c. they increase the surface area available for diffusion.
d. the air flows through the organ in one direction.
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Respiratory organs of invertebrates and vertebrates are similar in that
a. they use negative pressure breathing.
b. they take advantage of countercurrent flow systems.
c. they increase the surface area available for diffusion.
d. the air flows through the organ in one direction.
What occurs as air descends down through the conducting zone and respiratory zone structure?
a. Cartilage rings are replaced by plates of Cartilage.
b. Resistance to air flow decreases due to increased number of lobbies.
c. Resistance to air flow increases as bronchioles diminish in diameter.
d. Smooth muscle surrounding the bronchioles increases .
e. The lining of the bronchioles changes from ciliated columnar to simple squamous epithelium.
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.
Chapter 47 Solutions
1 SEM ACC W/RAVEN CARDED
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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- Draw your own original diagram to show how the alveoli and the capillaries work together to exchange gases between the respiratory and circulatory systems.arrow_forwardAt the site of gas exchange; which of the following is true? A. The alveoli and capillaries walls are thin which allowed for rapid diffusion of gas. B. When there is edema and swelling at the alveoi and capillary interface there is rabbit exchange of CO2. C. When there is edema and swelling at the alveoli and capillaries in her face there is rapid exchange of oxygen. D. The alveolar in capillary walls or take which allows for measured in rapid diffusion of gas. Choose the correct answerarrow_forwardA respiratory chemoreceptor is a sensory receptor that transduces achemical signal into an action potential. Which of the following is FALSEabout the respiratory chemoreceptors? Explain the answer. a. The central chemoreceptor is located at the primary respiratory control in the brain.b. The peripheral chemoreceptors are at the lower airways of the respiratory zone.c. Central chemoreceptors are sensitive to increased carbon dioxide.d. Peripheral chemoreceptors are sensitive to decreased oxygen levels.arrow_forward
- During speech the circumference of the chest wall increases and decreases as it moves air in and out of the lungs. Which statement best describes the air pressure and direction of air flow as the chest wall circumference increases? Group of answer choices A. Air pressure inside the lungs decreases, so atmospheric air is pushed into the lungs B. Air pressure inside the lungs increases, so atmospheric air is pushed into the lungs C. Air pressure inside the lungs decreases, so atmospheric air is pushed out of the lungs D. Air pressure inside the lungs increases, so atmospheric air is pushed inside the lungsarrow_forwardVentilation in the capillaries is matched to perfusion. This means that a. blood pressure from capillaries must match the pressure from the arterioles b. gas pressure in the alveolar must match the pressure in the bronchioles c. ventilation is never profuse enough d. ventilation in the alveolar must match the blood flow passing over those alveiolararrow_forwardWhich is/are part of the respiratory membrane? a. Plasma membrane of red blood cells b. Type 1 alveolar cells c. Alveolar macrophages d. The shared, or fused, basement membrane of the endothelial cells and the Type 1 alveolar cells e. Capillary endothelial cellsarrow_forward
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