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Тесты

Вопрос 
1
An electron microphotograph of an enamel organ shows a prismatic cell with developed granular endoplasmatic reticulum and Golgi complex. The apical part of the cell has Tomes process containing secretory granules and small vesicles. Specify the cell:





2
A blood test was performed for a patient with allergic rhinitis. Blood smear stained after Romanowsky reveals large number of cells with the following structure: segmented nucleus consists of 2-3 segments; cytoplasm is filled with bright-pink oxyphil granularity; granules are large. Name these cells:





3
Loose fibrous connective tissue of salivary glands contains oval average sized cells which synthesize antibodies. The cells have round eccentric nucleus and "spoke-wheel"chromatin pattern made by small clumps of chromatin. What are these cells called?





4
An embryon has signs of disturbed process of dorsal mesoderm segmentation and somite generation. What part of skin is most likely to have developmental abnormalities?





5
Study of the histological specimen of a baby’s primary tooth revealed hypoplasia (underdevelopment) of enamel. This abnormality is caused by the disruptions in the activity of the following cells:





6
A month after surgical constriction of rabbit’s renal artery the considerable increase of systematic arterial pressure was observed. What of the following regulation mechanisms caused the animal’s pressure change?





7
At a certain stage of development of a human embryo one can observe formation of a cavity in its structure, small light blastomeres on the periphery and large dark blastomeres at one of the poles. The embryo at this stage of development is called:





8
What factor results in maximal dilation of the hemomicrocirculatory pahtway vessels and their increased permeability?





9
A histological preparation shows an organ, where lymphocytes form three types of lymphoid structures: lymph nodules, medullary cords and lymphatic sinuses. What organ is it?





10
A 68-year-old female patient with a history of glaucoma has increased intraocular pressure with normal secretion of aqueous humor by ciliary body. The inadequate out flow of fluid from the anterior chamber is associated with the damage to the following structure of the eyeball wall:





 
 
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