A prosthetist examines a patient with a left transfemoral amputation and an acute episode of low back pain. Which muscle can the therapist test for S1 nerve root function on the patient’s left side?

A 67-year-old man has had a 4-kg weight loss and nausea for the past 6 months.  The upper endoscopy shows a 6-cm area of irregular pale fundic mucosa and loss of rugal folds.  A biopsy shows monomorphous infiltrates of lymphoid cells.  H. pylori organisms are identified in adjacent mucosa.  Cytogenetic analysis shows t(11:18).  Which of the following is the most likely diagnosis?

A 47-year-old woman developed a perforated duodenal ulcer.  Which of the following organisms is most likely responsible?

On initial evaluation of a patient, an orthotist finds weakness in plantarflexion, forefoot inversion, and toe flexion. The orthotist should suspect involvement of which of the following peripheral nerves?

A child with CP has involuntary writhing movements that worsen with stress and disappear during sleep. Which CP type is most likely?

For the patient in the previous question, she will have increased risk for developing which of the following malignancies?

A worker develops weakness in forearm flexion and sensory loss along the lateral forearm. Which nerve is injured?

All of the following polyps are hamartomatous polyps EXCEPT:

A 55-year-old man has a 5-cm submucosal jejunal mass and is resected.  The specimen shows nests and trabeculae of round cells with pink granular cytoplasm and salt-and-pepper chromatin.  His serum 5-hydroxyindoleacetic acid (5-HIAA) level is markedly increased.   Which of the following embryologic derivatives is most likely related to the cells in the mass?

A 67-year-old man has had a 4-kg weight loss and nausea for the past 6 months.  The upper endoscopy shows that the entire gastric mucosa is eroded and has an erythematous cobblestone appearance.  The gastrectomy specimen shows small and shrunken stomach with a rigid thickened wall.  Which of the following is most likely the diagnosis?