NSG 2317 Lecture Notes - Lecture 7: Suprasternal Notch, Cervical Vertebrae, Rib Cage
3 Dec 2018
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Document Summary
Thorax and lungs anterior thoracic cage posterior thoracic cage. Midsternal line (middle section of thoracic cavity; esophagus, trachea, heart, and great vessels posterior lateral anterior. Trachea: midline (if a lung is collapsed, it"ll shift) Dead space: not all air in each breath is used in exchange of o2 and co2. 1/3 of every breath that is inhaled is exhaled the same way (not using it) Functional resp. unit bronchioles, alveolar ducts and sacs, alveoli. Vertical diameter lengthens or shortens due to downward or upward movement of diaphragm. Anterior/posterior diameter increases/decreases due to elevation of the ribs. Physiological: patency of airway, muscle functioning, pulmonary compliance, transport of oxygen & co2. Health practices & lifestyle: exercise, smoking, occupational hazards & medications. Chest pain with breathing (hurt when you breathe or just when you cough) Smoking history (what kind of cigarettes or tabacco) Small ruler marked in centimetres: marking pen. Skin colour and condition (nail beds and eyes if darker pigmentation)
