Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 10, Problem 3RQ
Explain what a partial pressure gradient is and how such gradients figure in gas exchange.
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Describe the partial pressures that are relevant to gas exchange.
Describe the partial pressure gradients for O2 and CO2.
explain partial pressure and how it relates to internal and external gas exchange
Chapter 10 Solutions
Human Biology (MindTap Course List)
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 following diagram shows a lung with a large shunt in which mixed venous bypasses the oxygen exchange areas of the lung. Breathing room air produces the oxygen partial pressures shown on the diagram. What is the oxygen tension of the arterial blood (in mm Hg) when the person breathes 100% oxygen and the inspired oxygen tension is over 600 mm Hg? PO₂ = 40 mm Hg A) 40 B) 55 C) 60 D) 175 E) 200 F) 400 G) 600 PO₂ = 104 mm Hg PO₂ = 55 mm Hgarrow_forwardExplain how partial gas pressures are calculated, and their significance in measurements of arterial blood gases.arrow_forwardMake a list of the different physiological equations: Fick equation for oxygen diffusion = Simple estimation for heart rate max = Equation to convert absolute VO2 (Liters of O2/min) to relative VO2 (ml/kg/min) =arrow_forward
- Explain how pressure gradients and resistance determine airflow.arrow_forwardfollowing gas exchange in the lungs blood returns to the left side of the heart and it's distributed through the aorta to the systemic tissues of the body. What is the pressure of oxygen in the blood that is being delivered to the systemic tissues? 46mmHg, 104mmHg, or 95mmHg.arrow_forward
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