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128 Unknown

A 2.5-week-old boy is brought to pediatrics emergency depament with projectile vomiting which is non-bilious. On physical examination, firm, olive like mass is noted in the epigastric region and USG revealed the following findings. The child underwent surgical management. On week later, the child presents again with loose stools after being breastfeed. What could be the etiology of the current episode diarrhea?

APost-operative infection
BRotavirus
CDumping syndrome
DNon resolution of the pre-op symptoms
Unknown
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129 Unknown

In central serous retinopathy-

AOften shows focal leakage on fluorescein fundus photography
BA macular hole is a common end result
CThe image perceived by the patient on the affected side in unilateral cases is bigger than on the normal side
DA dense central scotoma is the most common presentation
Unknown
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131 Unknown

A 33-year-old man presented with a slowly progressive swelling in the middle l/3rd of his right tibia. X-rays examination revealed multiple sharply demarcated radiolucent lesions separated by areas of dense and sclerotic bone. Microscopic examination of a biopsy specimen revealed island of epithelial cells in a fibrous stroma. Which of the following is the most probable diagnosis?

AAdamantinoma
BOsteofibrous dysplasia
COsteosarcoma
DFibrous cortical defect
Unknown
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132 Unknown

A 56-year-old man has been admitted to the ICU in respiratory distress. An endotracheal tube is placed for mechanical ventilation at a tidal volume of 900 mL, a rate of 12 breaths/min, and FiO2 50%. PEEP is 10 cm of water. Medications include subcutaneous heparin and aspirin. He now develops tachycardia and a blood pressure of 70/palpation mm Hg. Cardiac examination reveals multiple premature contractions. His arterial blood gas reveals a PO2 of 40 mm Hg. Most likely cause of this condition is?

ACardiac arrhythmia
BBronchial secretions
CMyocardial infarction
DPneumothorax
Unknown
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