Repeated USMLE Questions Step 1- Pathology- 9

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Q- Which of the following is the most common cause of death in an old patient with uncontrolled diabetes?

A- Cerebral hemorrhage

B- Hyperosmolar coma

C- Myocardial infarction

D- Pulmonary embolism

C- Myocardial infarction- Advanced coronary atherosclerosis leading to MI is the most common cause event in diabetic patients. 



Q- A young man was stuck on his leg by a falling rack a week ago. Today, a purple bruise developed on the site of injury.

Which one of the following substances is responsible for the color at the site of injury?

A- Bilirubin

B- Hemosiderin

C- Melanin

D- Thromboplastin

B- Hemosiderin- Heme pigment of the blood is transformed into yellowish brown hemosiderin granules which are accumulated at the site of injury resulting in the purple color of the bruise. 



Q- An elderly woman complains of sharp pain in her right hip region after she falls out of bed. Radiological studies show fractures of the right femoral head and a compressed fracture of T10.

Which of the following is the most likely predisposing to these fractures?

A- Acute osteomyelitis

B- Metastases

C- Osteomalacia

D- Osteoporosis

D- Osteoporosis- It is the most common predisposing factor of fractures in the elderly. 

 

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More Repeated USMLE Questions Step 1



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