HLTH 216 Lecture Notes - Lecture 5: Trachea, Spinal Cord, Exhalation

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First aid provider must be familiar with basic structure and functions of the human body. Using the proper medical terms allows you to communicate more effectively with the person and with medical care providers. Right and left = person"s right and left. Proximal = close to where the limb is attached to the body. Distal = distant from the point of attachment. Superficial = closer to or on the skin. Quadrant = section of the abdominal cavity divided by horizontal and vertical lines intersecting at the umbilicus; four equal areas. Most life threatening conditions affect respiratory, circulatory and nervous systems. Death will result in about 4-6 minutes if body"s oxygen supply cut off. Oxygen from air made available to blood through respiratory system. Respiration = the passage of air into and out of the lungs. Ventilation = a mechanical process that alternately increases and decreases the size of the chest cavity. Tongues take up more space in the mouth.

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