All Subjects Medicine Surgery Pathology Anatomy Pharmacology Social & Preventive Medicine Microbiology Gynaecology & Obstetrics Dental Physiology Biochemistry Pediatrics
Showing 15321 questions
Sort:
650 Pathology

A biopsy of the antrum of the stomach of an adult who presents with epigastric pain reveals numerous lymphocytes and plasma cells within the lamina propria, which is of normal thickness. There are also scattered neutrophils within the glandular epithelial cells. A Steiner silver stain from this specimen is positive for a small, curved organism, which is consistent with

AEnteroinvasive Escherichia coli
BEnterotoxigenic E. coli
CHelicobacter pylori
DSalmonella typhi
Pathology
View Explanation →
653 Pathology

A 2-year-old boy is brought to the physician by his parents, who complain that their son continually loses his balance. They also report that his speech seems more slurred. Physical examination confirms the truncal ataxia and wide-based gait. The child appears lethargic, and there is bobbing of the head while he is sitting. Muscle tone is normal. This patient may have a midline tumor in which anatomic portion of the brain?

ACerebellum
BCorpus callosum
CFrontal lobes
DHypothalamus
Pathology
View Explanation →