PLE-860
A benign tumor in the orbit of a 48-year-old man compresses a structure that runs through both the superior orbital fissure and the common tendinous ring. Which of the following structures is most likely damaged?
PLE Category: Anatomy
PLE-856
A 9-year-old boy falls off his bike, has difficulty in moving his shoulder, and is brought to an emergency department. His radiogram and angiogram reveal fracture of the surgical neck of his humerus and bleeding from the point of the fracture. Following this accident, the damaged nerve causes difficulty in abduction, extension, and lateral rotation of his arm. Cell bodies of the injured nerve involved in movement of his arm are located in which of the following structures?
PLE-857
A 9-year-old boy falls off his bike, has difficulty in moving his shoulder, and is brought to an emergency department. His radiogram and angiogram reveal fracture of the surgical neck of his humerus and bleeding from the point of the fracture. This accident most likely leads to damage of which of the following arteries?
PLE-858
A 9-year-old boy falls off his bike, has difficulty in moving his shoulder, and is brought to an emergency department. His radiogram and angiogram reveal fracture of the surgical neck of his humerus and bleeding from the point of the fracture. Which of the following nerves is most likely injured as a result of this accident?
PLE-854
A 79-year-old woman receives knee surgery because her lateral meniscus is torn. Before injury, the normal lateral meniscus of the knee joint:
PLE-855
A 9-year-old boy falls from a tree house. The resultant heavy compression of the sole of his foot against the ground caused a fracture of the head of the talus. Which of the following structures is unable to function normally?
PLE-851
A 79-year-old man has carcinoma of the rectum. The cancer is likely to metastasize via the veins into which of the following structures?
PLE-852
A 79-year-old man is suffering from ischemia of the suprarenal glands. This condition results from rapid occlusion of direct branches of which of the following arteries?
PLE-853
A 79-year-old patient presents with an advanced cancer in the posterior mediastinum. The surgeons are in a dilemma as to how to manage the condition. Which of the following structures is most likely damaged?
PLE-848
A 76-year-old woman was admitted to a local hospital, and bronchograms and radiographs revealed a lung carcinoma in her left lung. Which of the following structures or characteristics does the cancerous lung contain?