Final answer:
Key terms in respiratory physiology, such as hypoxemia, hypoxia, and oxygen content, relate to the levels and usage of oxygen in the blood and tissues. Other terms like arterial oxygen saturation and intrapulmonary shunt pertain to the measurement and pathophysiological aspects of pulmonary function.
Step-by-step explanation:
Terminologies in Respiratory Physiology
This response will help in defining terminologies related to respiratory physiology, which is a critical field within biomedical sciences and clinical medicine.
- Hypoxemia refers to an abnormally low level of oxygen in the blood, specifically in the arterial blood.
- Hypoxia is a condition in which there is inadequate oxygen supply to the tissues.
- The oxygen content refers to the amount of oxygen present in the blood.
- Oxygen consumption is the process by which cells use oxygen during metabolism.
- Arterial oxygen saturation (SaO2) is the percentage of available hemoglobin that is saturated with oxygen.
- An intrapulmonary shunt is a pathophysiological phenomenon where blood passes through the lungs without participating in gas exchange, often due to areas of the lung that are not ventilated.
- Venous admixture refers to the mixing of oxygenated and deoxygenated blood within the circulatory system, which can affect overall oxygen levels.
- P 50 is a reference value on the oxygen dissociation curve indicating the partial pressure of oxygen at which hemoglobin is 50% saturated.
- Deoxyhemoglobin, also known as reduced hemoglobin, is the form of hemoglobin without oxygen bound to it.
Understanding these terms is crucial for comprehending the physiology of respiratory function, oxygen transport, and gas exchange.