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28307 Pathology

A 23-year-old African-American man with a history since early childhood of severe anemia requiring many transfusions has non healing leg ulcers and recurrent periods of abdominal and chest pain. These signs and symptoms are most likely to be associated with which of the following laboratory abnormalities?

ADecreased erythropoietin
BIncreased erythrocyte osmotic fragility
CDecreased erythropoiesis
DSickle cells on peripheral blood smear
Pathology
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28310 Pathology

A 25-year-old woman has experienced discomfort during sexual intercourse for the past month. On physical examination, there are no lesions of the external genitalia. Pelvic examination shows a focal area of swelling on the left posterolateral inner labium that is very tender on palpation. A 3-cm cystic lesion filled with purulent exudate is excised. In which of the following structures is this lesion most likely to develop?

ABartholin gland
BGartner duct
CHair follicle
DUrogenital diaphragm
Pathology
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28313 Dental

Metamerism invariably involves _____.

AA color difference between two objects under one or more illuminant(s)
BOne object having a lower chroma than another
COne object having a lower lightness than another
DA significant color change of one object as it moves from one illuminant to another
Dental
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