Pathology MCQ Questions — Page 976

Question 1

A 63-year-old man is in stable condition after an acute myocardial infarction when he became hypotensive for 3 hours before paramedical personnel arrived. Over the next week, the serum urea nitrogen level increases to 48 mg/dL, the serum creatinine level increases to 5 mg/dL, and the urine output decrease. He undergoes hemodialysis for the next 2 weeks and then develops marked polyuria, with urine output of 2 to 3 L/day. His renal function gradually returns to normal. Release of which of the following substances most likely participated in the elevation of BUN, creatinine, and reduced urinary output?

Answer

Aldosterone

Answer

Endothelin

Answer

Erythropoietin

Answer

Natriuretic peptide

Question 2

AOedema

BHematuria

Answer

Hypeension

Answer

Proteinuria

Question 3

Answer

Lack of platelet aggregation

Answer

Lack of reaction accelerator during activation of factor X in coagulation cascade

Answer

Neutralization of antithrombin III

Answer

Release of Thromboxane A2

Question 4

Answer

It is the most common subtype of thyroid cancer

Answer

The most common variant, and the one most liable to misdiagnosis is follicular variant

Answer

Is not associated with radiation as a risk factor

Answer

Diagnosis is made by the presence of nuclear finding and not on papillae formation

Question 5

DEdema

Answer

Dilation of aerioles

Answer

Increased vascular permeability

Answer

Increased viscocity of blood

Question 6

Aae

Bb

Cab

Dad

Question 7

DNone

Answer

Microcytic

Answer

Macrocytic

Answer

Normocytic

Question 8

Answer

Garre's Osteomyelitis.

Answer

Chronic focal sclerosing Osteomyelitis.

Answer

Acute Osteomyelitis.

Answer

Chronic Osteomyelitis.

Question 9

AARSENIC

BTRETINOIN

DCISPLATIN

Answer

RETINOIC ACID