Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 38, Problem 7SQ
Summary Introduction
Concept introduction: Inhalation is the process of taking air into the lungs; the process of expelling air out of the lungs is exhalation. Inhalation occurs when the air pressure inside the lungs is lower than that of the external atmosphere, as the air flows from areas of higher pressure to lower pressure. The thoracic cavity protects the lungs in addition to other organs, tissues, nerves, and cardiovascular vessels.
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The inspiratory reserve volume measures the ________. a. amount of air remaining in the lung after a maximal exhalation b. amount of air that the lung holds c. amount of air that can be further exhaled after a normal breath d. amount of air that can be further inhaled after a normal breath
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Chapter 38 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 38 - Respiratory proteins such as hemocyanin _____. a....Ch. 38 - In a _______, air flows continually across the...Ch. 38 - Prob. 3SQCh. 38 - In human lungs, gas exchange occurs at the ______....Ch. 38 - Prob. 1DAACh. 38 - Prob. 2DAACh. 38 - Prob. 3DAACh. 38 - Which holds the most dissolved oxygen? a. warm,...Ch. 38 - When you breathe quietly, inhalation is _______...Ch. 38 - Prob. 7SQ
Ch. 38 - Prob. 8SQCh. 38 - Most oxygen transported in human blood _______. a....Ch. 38 - Prob. 10SQCh. 38 - In fish gills, blood and water move ________. a....Ch. 38 - ______ in arteries sense changes in the acidity of...Ch. 38 - Prob. 13SQCh. 38 - The diaphragm is a ______ muscle. a. smooth b....Ch. 38 - Prob. 15SQCh. 38 - Prob. 1CTCh. 38 - Prob. 2CT
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- Oxygen in air must diffuse across______ to enter the blood. a. pleural sacs b. alveolar sacs c. a moist respiratory surface d. both b and carrow_forward4. The number of alveoli continues to increase until about A. 6 years of age B. 8 years of age C. 10 years of age D. 12 years of agearrow_forwardThe 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_forward
- When the pressure in the lung is greater than atmospheric pressure:_____ A. inspiration occurs. B. expiration occurs. C. lung tissue has collapsed. D. the bronchioles are obstructed.arrow_forwardVital capacity is the_____ . a. amount of hemoglobin in a red blood cell b. amount of time a person can hold his or her breath c. maximum amount of air a person can move in and out with one breath d. amount of oxygen in an exhalationarrow_forwardThe majority of carbon dioxide in the blood is transported by ________. a. binding to hemoglobin b. dissolution in the blood c. conversion to bicarbonate d. binding to plasma proteinsarrow_forward
- The rate breathing is controlled by the ________? A. ventral respiratory group B. dorsal respiratory group C. pontine respiratory group D. medullary respiratory grouparrow_forwardThe air-transmitting passages of the nose, nasopharynx, larynx, trachea, bronchi, and bronchioles make up the ________ the respiratory system. a. conducting portion of b. respiratory portion of c. the entirety of d. cardiovascular portion ofarrow_forwardGas exchange between systemic blood vessels and the tissues is called a. Tubular secretion b. External respiration c. Pulmonary ventilation d. Internal respirationarrow_forward
- Type II alveolar cell… A. senses 02 level and sends that information to the respiratory centers in the pons B. hunts for and eats foreign bodies C. produces surfactant to counteract the surface tension that would collapse the alveoli D. is the site of gas exchange with the bloodarrow_forwardThe pressure difference between the intra-alveolar andintrapleural pressures is called ________.a. atmospheric pressureb. pulmonary pressurec. negative pressured. transpulmonary pressurearrow_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_forward
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