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Chapter 3 Chest Note
| Question | Answer |
|---|---|
| What is the Chest/Thorax | the upper portion of the truck between the neck and stomach |
| Three sections that the chest is divided into? | Bony thorax,respiratory system proper, and ,mediastinum |
| What is the Bony Thorax? | part of the skeletal system that provides a protective framework |
| Thoracic Viscera | Term used to describe parts of the chest consisting of lungs and the organs contained in the mediastinum |
| sternum | breastbone |
| Bones that make up the sternum | body,xiphoid process and manubrium |
| Bones that make up the bony thorax | two clavicles, two scapula, twelve pair of ribs and twelve vertebrae. |
| Chest positioning landmarks | vertebra prominens (seventh cervical vertebra) and jugular notch (deep notch on superior portion of the sternum |
| Four general divisions of respiratory system | pharynx,trachea,bronchi and lungs (diaphragm-hemidiaphragm*division of diaphram*, important muscle) |
| Pharynx | a passageway for both food and fluids as well as for air |
| 3 divisions of Pharynx | nasopharynx, oropharynx and laryngopharynx |
| Esophagus | posteriot to to the larynx and trachea |
| Four parts of the Respiratory system | Larynx, Trachea, Right and Left Bronchi and Lungs |
| Larynx | voice box,cage like cartilaginous structure located anterior portion of neck between C3-C6 hyoid bone not part of Larynx |
| Thyroid cartilage | consists two fused platelike structures that forms the anterior part of the laynx |
| laryngeal prominence | Adam's Apple |
| cricoid cartilage | ring of cartilage that forms the inferior and posterior wall of the larynx |
| Trachea | windpipe |
| Thyroid gland | more radiosensitive then many other body structure or organs |
| Parathyroid glands | small round glands that are embedded in the posterior surface of the lateral lobe of the thyroid gland |
| Thymus gland | distal to the thyroid |
| Right Bronchi | primary wider and shorter less of a divergence-divides in two three secondary bronchi=left lung three lobes |
| Left Bronchus | smaller but twice as long two secondary branches=right lung two lobes |
| Carina | specific prominence or ridge the lowest tracheal cartilage where it is divided to left or right |
| Right Lung | 3 lobes superior,middle and inferior divided by deep fissure |
| Left Lung | two lobes superior and inferior single deep oblique fissure |
| Lungs | made of parenchyma, contanted in two layered pleura sacs(inner lining-partial pleura outer lining-pulmonary(visceral) space between two lining pleural cavity) |
| apex | each rounded upper area above the level of the clavicle |
| Base | lower concave area of each lung that rests on the diaghram |
| Costophrenic angle | extreme outermost lower corner of each lung |
| Hilum | root region is the central area of each lung where bronchi, blood vessels, lymph vessels and nerve enters and leaves the lung |
| Mediastinum | medial portions of the thoracic cavity-thyroid and parathyroid glands not included important parts radiographically-thymus,heart and great vessels, trachea and esophagus |
| Thymus Gland | prominent in infants |
| Greater vessels | Aorta, inferior and superior vena cava, large pulmonary arteries and veins-enclosed in the double walled pericardial sac |
Created by:
kelmccauley
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