Nowadays about 50 minor bases have been found in the t-RNA structure besides the main four nitrogenous bases. Choose the minor nitrogenous base:
A. Dihydrouracil
B. Cysteine
C. Uracil
D. Adenine
E. Cytosine
56 Glomerular filtration rate (GFR) increased by 20% due to prolonged starvation of the person. The most evident cause of filtration changes under this conditions is:
A. Increase of filtration coefficient
B. Increase of penetration of the renal filter
C. Decrease of oncotic pressure of blood plasma
D. Increase of systemic blood pressure
E. Increase of renal plasma stream
57 The alveolar ventilation of the patient is 5 L/min, the breath frequency is 10 per/min, and the tidal volume is 700 ml. What is the patient's dead space ventilation?
A. 0,7 L/min
B. 1,0 L/min
C. -
D. 4,3 L/min
E. 2,0 L/min
Different functional groups can be presented in the structure of L-amino acid’s radicals. Identify the group that is able to form ester bond:
A. -OH
B. -CONH2
C. -SH
D. -NH2
E. -CH3
A patient, who suffers from congenital erythropoietic porphyria, has skin photosensitivity. The accumulation of what compound in the skin can cause it?
A. Uroporphyrinogen 1
B. Uroporphyrinogen 2
C. Protoporphyrin
D. Coproporphyrinogen 3
E. Heme
A histological spacemen presents parenchymal organ, which has cortex and medulla. Cortex consists of epitheliocytes bars with blood capillaries between them; the bars form three zones. Medulla consists of chromaffinocytes and venous sinusoids. Which organ has these morphological features?
A. Lymph node
B. Kidney
C. Adrenal gland
D. Thymus
E. Thyroid
There is the change of teeth at the 6-8-year-old children: deciduous are replaced by permanent. What embrionic tissues are the sources of formation of permanent teeth tissues?
A. I, II brachial arches
B. Mesodermal epithelium and mesenhime
C. Entodermal epithelium and mesoderm
D. Entodermal epithelium of a tooth plate and mesenhime
E. Ectodermal epithelium of a tooth plate and mesenhime
During the operation on the hip joint of a 5-year-old child her ligament was damaged which caused bleeding.What ligament was damaged?
A. The head of the thigh
B. Pubofemoral
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C. Ischiofemoral
D. Iliofemoral
E. Perpendicular of the acetabule
A patient after pathological process has a thickened alveolar membrane. The direct consequence of the process will be the reduction of:
A. Reserve expiratiory capacity
B. Oxygen capacity of blood
C. Minute respiratory capacity
D. Alveolar lung ventilation
E. Diffuse lung capacity
At the aboratory experiment the eukocyte culture was mixed with staphylococci. Neutrophile leukocytes engulfed and digested bacterial cells. This processes are termed:
A. Facilitated diffusion
B. Diffusion
C. Osmosis
D. Phagocytosis
E. Pinocytosis
The donor who had not donated the blood for a long time was examined with IFA method. Anti-HBs antibodies were revealed. What does positive result of IFA in this case mean?
A. Chronic hepatitis С
B. Chronic hepatitis В
C. Acute hepatitis B
D. Previous hepatitis B
E. Acute hepatitis C
The increased intraocular tension is observed in a patient with glaucoma.Secretion of aqueous humor by the ciliar body is normal. Injury of what structure of the eyeball caused the disorder of flow-out from the anterior chamber?
A. Choroid
B. Ciliary muscle
C. Ciliar body
D. Back epithelium of cornea
E. Venous sinus
The study of the genealogy of a family with hypertrichosis (helix excessive pilosis) has demonstrated that this symptom is manifested in all generations only in men and is inherited by son from his father. What is the type of hypertrichosis inheritance?
A. X-linked recessive chromosome
B. Autosome-recessive
C. X-linked dominant chromosome
D. Y-linked chromosome
E. Autosome-dominant
A 16-year-old boy was performed an appendectomy. He has been hospitalized for right lower quadrant abdominal pain within 18 hours. The surgical specimen is edematous and erythematous. Infiltration by what of the following cells is the most typical for the process occuring here?
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A. Basophils
B. Eosinophils
C. Monocytes
D. Neutrophils
E. Limphocytes
During histological examination of the stomach it was found out that glands contained very small amount of pariental cells or they were totally absent. Mucose membrane of what part of the stomach was studied?
A. Pyloric part
B. Cardia
C. -
D. Body of stomach
E. Fundus of stomach
70 Patient 54 year-old, 5th day after surgical operation. Blood count: Erythrocytes 3,6*1012/l, Hemoglobin 95 g/l, Erythrocyte’s hemoglobin content (color index) 0,78; Leukocytes 16*109/l, Platelets 450*109/l Blood picture: anizocytosis, poikilocytosis, reticulocytes- 3,8%. What anemia does this patient have?
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