—

A patient working at a pig farm complains    about    paroxysmal    abdominal pain,  liquid  feces with admixtures of mucus and blood, headache, weakness, fever. Examination of large intestine revealed  ulcers  from 1 mm up to several cm large, feces contained oval unicellular organisms  with cilia. What disease should be suspected?

Examination of the duodenal contents revealed some pear-shaped protozoa with two nuclei and four pairs of flagella. The organisms had also two axostyles between the nuclei and a ventral adhesive disc. What protozoan representative was found in the patient?

In cancer patients who have been continuously receiving methotrexate, the target cells of tumor with time become insensitive to this drug. In this case, gene amplification of the following enzyme is observed:

Pancreas is known as a mixed gland. Endocrine functions include production of insulin by beta cells. This hormone affects the metabolism of carbohydrates. What is its effect upon the activity of glycogen phosphorylase (GP) and glycogen synthase (GS)?

A 35-year-old female patient has undergone biopsy of the breast nodules. Histological examination has revealed enhanced proliferation of the small duct and acini epithelial cells, accompanied by the formation of glandular structures of various shapes and sizes, which were located in the fibrous stroma. What is the most likely diagnosis?

A patient with suspected tumor of lung had been admitted to the oncological department. Examination revealed localised pathology in the inferior lobe of the left lung. How many bronchopulmonary segments does this lobe have?

Sanitary  bacteriological research on water by the membrane filter method revealed  two red colonies on a membrane filter (Endo agar)  through which 500 ml of analyzed  water  were passed.  Calculate the coli index and coli titer of the analyzed water:

A young man complains  about urination disorder. Examination of the external  genitals revealed  that the urethra was split and urine  could flow out of this orifice. What anomaly of the external genitals development is it?