Battle of the Lung: the Story of a Bacterial Infection

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Battle of the Lung The story of a Bacterial Infection Linda Burlingame HS130-03 Unit 4 Assignment Kaplan University July 4, 2011 The journey begins in the lower right femoral vein of a healthy adult female. The mission: locate and destroy an invading bacterium in the inferior lobe of the right lung. The weaponry: the immune system and the power of leukocytes. The outcome: homeostasis and continued immunity from the invader. Upon entry, the first visible structure is the femur which is the longest bone in the human body. The femur supports all of the adductor muscles, quadriceps, and sartorius. Inferior to the entry position but still visible, is the patella. The femoral artery runs parallel to the femoral vein flowing in the opposite direction. Its deep crimson color indicates the presence of oxygen-rich blood (Tortora, Derrickson 2006). There is a web of smaller veins and capillaries which will sometimes obstruct the view. The road continues north to the pelvic cavity. The bones of the pelvis are the coxal bones which include the pelvis, ischium, and iliam, the coccyx, and the sacrum (Thibodeau, Patton 2008). Slightly to the right lies the urinary bladder and superior to it is the uterus, with the right ovary and fallopian tube lateral to it. Areas of the small intestines are visible curling around the pelvic cavity. The iliopsas is positioned medial to the route and the external abdominal oblique muscle is coming into view. The path now takes a medial direction on its journey to the right lower lung. The abdominopelvic cavity is home to some of the accessary organs of the digestive system. The first of these in sight is the tiny, ovoid-shaped appendix (Pubmed 2011). The kidneys, gallbladder, and liver are spotted, and the large intestine is seen winding throughout the area. The stomach is visible and positioned superior to the

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