A patient complains of frequent bowel evacuations,

especially after consuming fattening foods, and experiences body weight loss.

Laboratory examination reveals steatorrhea and hypocholic feces. What is the

most likely cause of this condition?

A 3-year-old child

with fever was given aspirin, which led to increased erythrocyte hemolysis. The

resulting hemolytic anemia may be due to a congenital deficiency in the

following enzyme:

A 10-year-old girl

frequently suffers from acute respiratory infections and has multiple petechial

hemorrhages in areas where her clothes cause friction. Which vitamin deficiency

is present in this case?

A 30-year-old woman has been ill

for a year. She has recently developed pain in her joints accompanied by

swelling and redness around them. The provisional diagnosis is rheumatoid

arthritis. Which structurally altered protein in the connective tissue caused

the disease? 

A patient shows a significant

increase in aspartate aminotransferase (AST) activity in the blood serum 12

hours after experiencing an acute episode of retrosternal pain. This finding is

characteristic of: 

A patient experiences

nausea, heartburn, and steatorrhea after consuming fatty food. The most likely

cause of this condition is:

A worker experienced reduced

buffer capacity of blood due to intense muscular exertion.  Which acidic substance is most likely

responsible for this condition? 

A 20-year-old patient complains of general weakness, dizziness (=vertigo),

and quick fatigability. Blood test results show Hb = 80 g/L. Microscopic examination reveals abnormally shaped

erythrocytes. What is the most likely cause of this condition?

Amanitin

poisoning from the death cap mushroom (=Amanita phalloides) inhibits RNA polymerase II (B), leading to

disruption of: 

Patients with bile duct obstruction experience

impaired blood clotting and bleeding due to reduced absorption of a specific

vitamin. Which vitamin is deficient?