Induces transcription processes that stimulate growth and differentiation of cells. This biological
Function is realized by the following form of vitamin A:
A Trans-retinoic acid
B Trans-retinal
C Cis-retinal
D Retinol
E Carotin
111
Products of some proteins hydrolysis and modification are the biologically active substances
Called hormones. Lipotropin, corticotropin, melanotropin and endorphins are synthesized in the
Hypophysis of the following protein:
A Proopiomelanocortin (POMC)
B Neuroalbumin
C Neurostromin
D Neuroglobulin
E Thyreoglobulin
112
In patients with the biliary tract obstruction the blood coagulation is inhibited; the patients have
Frequent haemorrhages caused by the subnormal assimilation of the following vitamin:
A K
B A
C D
D E
E C
113
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 Y-linked chromosome
B Autosome-recessive
C Autosome-dominant
D X-linked recessive chromosome
E X-linked dominant chromosome
114
A newborn child suffers from milk curdling in stomach, this means that soluble milk proteins
Caseins) transform to insoluble proteins (paracaseins) by means of calcium ions and a certain
Enzyme. What enzyme takes part in this process?
A Renin
B Pepsin
C Gastrin
D Secretin
E Lipase
115
The penetration of the irritable cell membrane for potassium ions has been increased during an
Experiment. What changes of membrane electric status can occur?
A Hyperpolarization
B Depolarization
C Action potential
D Local response
E No changes
116
A sportsman was recommended to take a medication that contains carnitine in order to improve
His results. What process is activated by carnitine the most?
A Fatty acids transport to mitochondrions
B Synthesis of steroid hormones
C Synthesis of ketone bodies
D Synyhesis of lipids
E Tissue respiration
117
To prevent postoperative bleeding a 6 y.o. child was administered vicasol that is a synthetic
Analogue of vitamin K. Name post-translational changes of blood coagulation factors that will
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Be activated by vicasol:
A Carboxylation of glutamin acid
B Phosphorylation of serine radicals
C Partial proteolysis
D Polymerization
E Glycosylation
118
A 4 y.o. boy has had recently serious viral hepatitis. Now there are such clinical presentations
As vomiting, loss of consciousness, convulsions. Blood analysis revealed hyperammoniemia.
Disturbunce of which biochemical process caused such pathological condition of the patient?
A Disturbed neutralization of ammonia in liver
B Disturbed neutralization of biogenic amines
C Increased putrefaction of proteins in bowels
D Activation of aminoacid decarboxylation
E Inhibition of transamination enzyms
119
During examination of an 11-month-old infant a pediatrician revealed osteoectasia of the lower
Extremities and delayed mineralization of cranial bones. Such pathology is usually provoked by
The deficit of the following vitamin:
A Cholecalciferol
B Thiamin
C Pantothenic acid
D Bioflavonoids
E Riboflavin
120
Examination of a patient suffering from chronic hepatitis revealed a significant decrease in the
Synthesis and secretion of bile acids. What process will be mainly disturbed in the patient’s
Bowels?
A Fat emulsification
B Protein digestion
C Carbohydrate digestion
D Glycerin absorption
E Amino acid absorption
121
The energy inputs of a healthy man have been measured. In what position was the patient if his
Energy inputs were less than the main exchange?
A Sleep
B Rest
C Easy work
D Nervous exertion
E Calmness
122
Glutamate decarboxylation results in formation of inhibitory transmitter in CNS. Name it:
A GABA
B Glutathione
C Histamine
D Serotonin
E Asparagine
123
In course of histidine catabolism a biogenic amin is formed that has powerful vasodilatating
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Effect. Name it:
A Histamine
B Serotonin
C Dioxyphenylalanine
D Noradrenalin
E Dopamine
124
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