Тест 1

• Название: Тест 1
• Дата: 26.12.2018
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• Имя файла: Biochemistry mcq.en.uk.docx
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Питання №: 42

A 2-year-old boy has the increase of liver and spleen sizes detected and eye cataract present. The total sugar level in blood is increased, but glucose tolerance is within the normal range. The inherited disturbance of the metabolism of what substance is the cause of the indicated state?

Glucose

Fructose

Galactose

Maltose

Sucrose

Питання №: 43

A patient with a cranial trauma manifests repeated epileptoid seizures. The biosynthesis of what biogenic amine is disturbed in this clinical situation?

Histamine

GABA

Adrenaline

Serotonin

Dopamine

Питання №: 44

What mitochondrial enzyme is affected by antimycin A?

ATP-synthase (complex V)

Flavine enzymes (complex II)

Cytochrome b (complex III)

NAD-dependent dehydrogenases (complex I)

Cytochrome oxidase (cytochrome aa3)

Питання №: 45

Laboratory investigation of a patient revealed a high level of plasma LDL. What disease can be diagnosed?

Gastritis

Nephropathy

Acute pancreatitis

Atherosclerosis

Pneumonia

Питання №: 46

Biogenic amines, namely histamine, serotonin, dopamine etc., are very active substances that affect markedly various physiological functions of the organism. What biochemical process is the principal pathway for biogenic amines production in body tissues?

Decarboxylation of amino acids

Deamination of amino acids

Transamination of amino acids

Oxidation of amino acids

Reductive amination

Питання №: 47

Profuse foam appeared when dentist put hydrogen peroxide on the mucous of the oral cavity. What enzyme caused such activity?

Catalase

Cholinesterase

Acetyltransferase

Glucose-6-phosphatdehydrogenase

Methemoglobinreductase

Питання №: 48

A patient with high rate of obesity was advised to use carnitine as a food additive in order to enhance "fat burning". What is the role of carnitine in the process of fat oxidation?

FFA activation (free fatty acids)

Activation of intracellular lipolysis

Transport of FFA from cytosol to the mitochondria

Transport of FFA from fat depots to the tissues

It takes part in one of reactions of FFA beta-oxidation