A 50 year old woman presents to the out-patient gastroenterology clinic with chronic constipation. The physician requests barium enema.

What is the characteristic appearance of the large bowel in this barium study?

A 30 year old man is diagnosed with metabolic acidosis at the emergency room due to severe diarrhea, the patient starts to have arrhythmia and the physician asks for serum K+ level.

Which is the most likely explanation of the patient’s arrhythmia?

A 35-year-old woman is admitted to the emergency department with severe left abdominal and back pain. Radiographic evaluation reveals that the left ureter is blocked with a kidney stone and an emergency surgical procedure must be performed.

Which landmark is most reliable for the identification of the ureter?

A 50 year old woman presents to the out-patient gastroenterology clinic with chronic constipation. The physician requests barium enema.

What is the characteristic appearance of the large bowel in this barium study?

A mother of a 3-week born infant visited a pediatrician complaining of frequent non bilious projectile vomiting 30-60 min after feeding with weight loss.

Which is the single diagnosis of this condition?

A 5 year old girl is taken to the pediatrician as her mother notices that her gums bleed when she brushes her teeth and her arms have several spontaneous bruises. The doctor suspects vitamin C deficiency.

What best describes the function of Vitamin C in the body?

Which is the most likely functional unit of the kidney is?

A 5-year-old boy presents with fever, sore throat, and a vesicular rash on his hands and feet. His parents report that some children in his kindergarten had similar symptoms.

Which virus is the most likely cause of his condition?

A 56 year old visits the family physician with severe stomachache after removal of a gastric tumour. Histopathological examination reveals tumour of D cells.

Which hormone is most likely deficient in this case?

In an experimental study, malignant cells are noted to show delayed spread of some tissue elements surrounding them.

Which is the most likely tissue showing this delayed direct spread?