Human Biology Custom Edition
11th Edition
ISBN: 9781337631532
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 10, Problem 1SQ
A partial pressure gradient of oxygen exists between ________.
- a. air and lungs
- b. lungs and
metabolically active tissues - c. air at sea level and air at high altitudes
- d. all of the above
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The majority of oxygen in the blood is transported by ________. a. dissolution in the blood b. being carried as bicarbonate ions c. binding to blood plasma d. binding to hemoglobin
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Carbon dioxide when traveling in the form of bicarbonate ion does so ______
a. bonded to water
b. associated to hemoglobin
c. within the plasma of blood
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Chapter 10 Solutions
Human Biology Custom Edition
Ch. 10 - In the diagram below, label the parts of the...Ch. 10 - What is the difference between respiration and...Ch. 10 - Explain what a partial pressure gradient is and...Ch. 10 - What is oxyhemoglobin? Where does it form?Ch. 10 - What drives oxygen from the air spaces in alveoli,...Ch. 10 - How does hemoglobin help maintain the oxygen...Ch. 10 - What reactions enhance the transport of carbon...Ch. 10 - How do nerve impulses from the brain regulate...Ch. 10 - Why does your breathing rate increase when you...Ch. 10 - A partial pressure gradient of oxygen exists...
Ch. 10 - The ________ is an airway that connects the nose...Ch. 10 - Oxygen in air must diffuse across______ to enter...Ch. 10 - Prob. 4SQCh. 10 - Gas exchange occurs at the _______. a. two bronchi...Ch. 10 - Breathing _______. a. ventilates the lungs b....Ch. 10 - After oxygen diffuses into lung capillaries, it...Ch. 10 - Due to its partial pressure gradient, carbon...Ch. 10 - Prob. 9SQCh. 10 - Prob. 10SQCh. 10 - Cases of accidental carbon monoxide poisoning...Ch. 10 - Prob. 2CTCh. 10 - When you sneeze, abdominal muscles abruptly...Ch. 10 - Underwater, we humans cant compete with whales and...Ch. 10 - Prob. 5CT
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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_forwardDuring inhalation, ________. a. the thoracic cavity expands d. the diaphragm relaxes c. atmospheric pressure declines d. the lungs deflatearrow_forwardOxygen 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_forward
- The 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_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_forwardThe rate breathing is controlled by the ________? A. ventral respiratory group B. dorsal respiratory group C. pontine respiratory group D. medullary respiratory grouparrow_forward
- Ventilation 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_forwardWhich of the following will NOT facilitate the transfer of oxygen to tissues? a. decreased body temperature b. decreased pH of the blood c. increased carbon dioxide d. increased exercisearrow_forwardSelect the disease which makes lungs lose its elasticity due to the inflammation of alveoli. A. Lung cancer B. Pneumonia C. Bronchitis D. Emphysema Recognize the correct adjustment in our body during acclimatization tohigh altitude. A. Ventilation rate decreases B. Hemoglobin affinity for oxygen increases in the tissue C. Kidney increases urinary excretion of bicarbonate ions D. Hemoglobin production decreasesarrow_forward
- Among the factors that influence breathing rate and depth, the most important are changing levels of carbon dioxide, oxygen, and hydrogen ion in the ___________ blood a. venous b. arterial and venous c. arterial d. none of the abovearrow_forwardWhich of the following is the primary method by which carbon dioxide is transported to the lungs? a. Dissolved in plasma b. Bound to hemoglobin c. As carbon monoxide d. As bicarbonatearrow_forward_____________ is secreted by type II alveolar cells in the mammalianlungs and prevents the collapse of alveoli that would otherwise occurdue to surface tension at the interface of air and extracellular fluid.a. Hemoglobin b. Myoglobin c. Mucus d. Water e. Surfactantarrow_forward
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