Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 38, Problem 13SQ
Vital 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 exhalation
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Vital 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 exhalation
A patient who breathes very slowly when wearing a low Flow of oxygen device would have:
A. An increased concentration of oxygen in the lungs
B. A decreased concentration of oxygen in the lungs
C. There is no effect on oxygen concentration in the lungs
D. There is a minimal if no effect on oxygen concentration in the lungs
Ventilation 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 alveiolar
Chapter 38 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 38 - Prob. 1DAACh. 38 - Smoking and Lung Function Data from the Coronary...Ch. 38 - Smoking and Lung Function Data from the Coronary...Ch. 38 - The respiratory protein 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 - Which holds the most dissolved oxygen? a. warm,...Ch. 38 - When you breathe quietly, inhalation is _______...Ch. 38 - During inhalation _______. a. the thoracic cavity...
Ch. 38 - Prob. 8SQCh. 38 - Most oxygen transported in human blood _______. a....Ch. 38 - At high altitudes, _______. a. nitrogen bubbles...Ch. 38 - Countercurrent flow allows _______ to maximize...Ch. 38 - ______ in arteries sense changes in the acidity of...Ch. 38 - Vital capacity is the _______. a. amount of...Ch. 38 - Prob. 14SQCh. 38 - Match the words with their descriptions. ____...Ch. 38 - Prob. 1CTCh. 38 - Prob. 2CTCh. 38 - Icefish live in the extremely cold ocean near...
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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_forwardDuring inhalation, ________. a. the thoracic cavity expands d. the diaphragm relaxes c. atmospheric pressure declines d. the lungs deflatearrow_forward
- 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_forwardWhich is the order of airflow during inhalation? a. nasal cavity, trachea, larynx, bronchi, bronchioles, alveoli b. nasal cavity, larynx, trachea, bronchi, bronchioles, alveoli c. nasal cavity, larynx, trachea, bronchioles, bronchi, alveoli d. nasal cavity, trachea, larynx, bronchi, bronchioles, alveoliarrow_forward
- In order for oxygen to be transported an arterial blood it can a. All answers are correct b. attached to hemoglobin and float freely in the plasma c.attached to bicarbonate d. attached to hemoglobin e.float freely in the plasmaarrow_forwardThe 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 breatharrow_forwardWhich of the following occurs for expiration to occur? a. the thoracic volume decreases b. the thoracic volume increases c. the intrapulmonary pressure decrease compared to atmospheric air pressure d. the intrapleural pressure becomes more negativearrow_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_forwardWhen the diaphragm contracts (moves down), which of the following will occur in the lungs? Select one: a. Volume will decrease, Air pressure will increase and expiration will oCcur. b. Volume will increase, Air pressure will increase, and inhalation will occur. c. Volume will increase, Air pressure will decrease, and inspiration will occur. O d. Volume will increase, Air pressure will decrease, and expiration will occur.arrow_forwardfactors that affect the unloading (releasing ) of oxygen more quickly from hemoglobin include all the following except a. increased pressure of CO2 b. elevated chlorine ions c. increased temp d. lowered pHarrow_forward
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