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8020 Anatomy

A 45-year-old man is admitted to the emergency department after a violent car crash. Physical examination reveals that the patient suffers from a “straddle” injury to the perineum. An MRI examination reveals that extravasating urine and blood from a torn bulbar urethra are present in the superficial perineal cleft. Which of the following fasciae provide boundaries for this space?

ACamper's fascia and Scarpa's fascia
BPerineal membrane and external perineal fascia of Gallaudet
CColles' fascia and external perineal fascia of Gallaudet
DPerineal membrane and the superior fascia of the urogenital diaphragm
Anatomy
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8022 Anatomy

A 22-year-old man is admitted to the emergency department after falling from his bicycle. Radiographic examination reveals a fracture of the tibia above the ankle. MRI and physical examination reveal that the tibial nerve is severed on the posterior aspect of the tibia. Which of the following signs will most likely be present during physical examination?

ASensory loss of the dorsum of the foot
BSensory loss on the sole of the foot
CFoot drop
DParalysis of the extensor digitorum brevis
Anatomy
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