Megan Kassel Med/Surg Nursing Diagnosis: Impaired gas exchange r/t ventilation-perfusion imbalance aeb oxygen saturation of 91% Long-Term Goal: Patient will maintain optimal gas exchange. Outcome Criteria One outcome criteria for each intervention. Number each one. Interventions Label each as assess/monitor/independent/ dependent/teaching/collaboration Rationale Answers why‚ how‚ what your interventions will help solve‚ prevent‚ Or lesson the stated problem specific to each patient. Evaluation Evaluate
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An Introduction to Gas Exchange Lecturer: Sally Osborne‚ Ph.D. Department of Cellular & Physiological Sciences Email: sosborne@interchange.ubc.ca Useful link: www.sallyosborne.com Required Reading: Respiratory Physiology: A Clinical Approach‚ Shwarrtzstein & Parker‚ Chapter 5 (pp 95-100; 111112). Objectives 1. Distinguish between the following terms: minute‚ alveolar and dead space ventilation; and anatomic‚ alveolar and physiologic dead space. 2. Specify the partial pressures of CO2 and O2
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Gas Exchange To complete this worksheet‚ select: Module: Gas Exchange and pH Balance Activity: Animations Title: Gas Exchange Introduction 1. a. Describe the respiratory system role with oxygen and carbon dioxide. The respiratory system is responsible for the movement of gases involved in cellular metabolism. b. Why is oxygen needed? Oxygen is needed because it is used up during the aerobic breakdown of glucose. c. What generates CO2? Carbon dioxide arises from the aerobic
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Due October 16‚ 2014 Anatomy and Physiology II Unit 5 Gas Exchange Explain how the gas laws and the properties of gases affect the gas exchange between the lung‚ blood‚ and tissues. The major function of the respiratory system is to provide the body with oxygen and rid the body of carbon dioxide. Gas exchange occurs between blood and alveolar air (external respiration) and between blood and tissues (internal respiration).Gas exchange process depends on properties of gasses. Based upon the Basic
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Gas Exchange The process of gas exchange in the body is called respiration. This process has three basic steps that involve pulmonary ventilation‚ external respiration‚ and internal respiration. All three steps are functions that involve gas exchanges between the lungs and the atmosphere. For instance‚ pulmonary ventilation‚ or breathing involves the inhalation and exhalation of air between our lungs and the atmosphere. External respiration is the exchange of gases across the respiratory membrane
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Gas exchange is the movement of respiratory gases across a membrane. It is the delivery of oxygen to the body‚ and the elimination of carbon dioxide from the body .The reason why gas exchange takes place because oxygen is one of the most essential requirements of life‚ without which organisms on Earth would not survive. Living organisms generate energy from food through the process of respiration. This allows humans and other organisms to perform their daily tasks. Oxygen is used in mitochondria
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Gas exchange or respiration in humans is the means by which getting oxygen from air into the blood and carbon dioxide out of the blood into the air. Humans must exchange these gases with the environment because oxygen is essential for cells‚ which use this vital substance to release the energy needed for cellular activities. In addition to supplying oxygen‚ carbon dioxide needs to be removed in order to prevent the buildup of this waste product in the body tissues. As breathing is the act or process
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The respiratory system is a vital factor of gas exchange due to its structures. The structure provides an efficiency to the process. Gas exchange requires an efficient system because it is a process through which blood circulates around the body‚ collects oxygen‚ delivers the oxygen to the organs that require it and releases carbon dioxide. oxygen and carbon dioxide enter and exit the body in opposite directions across a respiratory surface area that supplies enough oxygen to allow the process to
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Interference with gas exchange Asthma is a common chronic inflammatory disease of the airways characterized by variable and recurring symptoms‚ reversible airflow obstruction‚ and bronchospasm. Common symptoms include wheezing‚ coughing‚ chest tightness‚ and shortness of breath. Asthma is thought to be caused by a combination of genetic and environmental factors. Its diagnosis is usually based on the pattern of symptoms‚ response to therapy over time. In severe cases hospitalization can be required
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membranes. The ways that effectiveness of an exchange surface can be increased are: Large surface area: a larger surface area means that more diffusion can occur at once. Thin membrane: this speeds up the exchange because the diffusion path is shorter so the molecules have less distance to travel. Efficient blood supply: In animals the blood system is very efficient for transporting a variety of substance around the body. Ventilation: gaseous exchange is also a very important for exchanging materials
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