Medical MCQ Questions — Page 16744

Question 1

A 42-year-old woman has noted increasing fullness in her neck for the past 7 months. On physical examination, her thyroid gland is diffusely and asymmetrically enlarged and nodular. There is no lymphadenopathy. She undergoes thyroidectomy. Gross examination of the thyroid shows a multicentric thyroid neoplasm; microscopically, the neoplasm is composed of polygonal-to spindle-shaped cells forming nests and trabeculae. There is a prominent, pink hyaline stroma that stains positively with Congo red. Electron microscopy shows varying numbers of intracytoplasmic, membrane-bound, electron-dense granules. Immunohistochemical staining for which of the following antigens is most useful for the diagnosis of this neoplasm?

BCD3

Answer

Calcitonin

Answer

Cytokeratin

Answer

Estrogen receptor

Question 2

Answer

Median nerve

Answer

Radial nerve

Answer

Ulnar nerve

Answer

Branchial artery

Question 3

DDenial

Answer

Projection

Answer

Reaction formation

Answer

Anticipation

Question 4

Aabc

Bacd

Cbcd

Dbd

Question 5

Answer

Upward displacement of an abnormal tricuspid valve into the right atrium

Answer

Upward displacement of an abnormal tricuspid valve into the right ventricle

Answer

Downward displacement of an abnormal tricuspid valve into the right ventricle

Answer

Downward displacement of an abnormal tricuspid valve into the right atrium

Question 6

AMRI

BCT

DFNAC

Answer

Open surgical biopsy

Question 7

Answer

Dactylitis

Answer

Osteomyelitis

Answer

Granulocytosis

Answer

High recticulocyte count

Question 8

AAnhedonia

BDystonia

DAkathisia

Answer

Restless leg syndrome

Question 9

ALGV

BChancroid

CSyphilis

Answer

Herpesgenitalis