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Pathology MCQs- 9



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 fracture of the right femoral head and 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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