QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
18. A horizontal section through the tarsus would separate the $\qquad$ from the
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19. A patient was in a knife fight and suffered a 2 -inch stab wound to his back. The knife entered the posterior thorax along the midsagittal (median) plane and entered the posterior aspect (posterior body cavity). What organ in the posterior aspect is likely to have been injured by this wound?
20. A man who had been in a car accident arrived at the emergency department. He was awake and alert and was able to tell the physician that he was experiencing severe pain near his lower ribs on the left side of his body and in his abdomen. Upon palpation, the patient's abdomen was rigid, indicating the possibility of internal bleeding. The physician suspected that broken ribs may have injured an organ within the abdominal cavity. Which organ would most likely be injured in this case? $\qquad$ What abdominopelvic quadrant is this organ located in? $\qquad$ What abdominopelvic region is it located in? $\qquad$
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Answer
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Step 1: Identify the possible organs injured in the patient's stab wound.
The knife entered the posterior thorax along the midsagittal (median) plane and entered the posterior aspect (posterior body cavity). According to human anatomy, the posterior aspect of the thoracic cavity contains the following main organs: - Esophagus - Thymus - Lungs - Heart
Step 2: Narrow down the possible injured organ.
Based on the description of the wound, it is unlikely that the esophagus or thymus was injured. The esophagus is a small, protected organ, and the thymus is located in the upper part of the chest, making it an unlikely target for a 2 -inch stab wound.
Final Answer
The patient's stab wound most likely injured either the heart or the lung, depending on the exact path of the knife. The injured organ is located in the thoracic cavity, specifically in the mediastinum (heart) or pleural cavity (lung).
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