Lesson 10 (II). Water-soluble VItamins

Individual work

Student of _________ group

_______________________________________________

^(name)

Lesson 10 (II). WATER-SOLUBLE VITAMINS.

1. Give a definition to term:

Vitamins – ___________________________________________________________________

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2. Give the examples of vitamins participating in:

Energy exchange 1. 2. 3. 4. 5.

erythropoesis 1. 2.

amino acid metabolism 1.

3. In what pathways of carbohydrates metabolism the vitamin B₁ participates as a coenzyme of decarboxylases of a-keto acids? Write the examples of reactions.

4. What are the symptoms of vitamin В₁ deficiency, and at what diet the requirement of vitamin B₁ does increase?

_____________________________________________________________________________

5. Fill in the table.

Vitamin	Usual name	daily dose, mg	The active group of coenzyme	The type of reactions, in which coenzyme is participating
В₁
В₂
В₃
РР
В₆
Н
В_с
В₁₂
С

6. What are the symptoms of vitamin В₂ deficiency?

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7. Indicate a correct answer. Deficiency of pantothenic acid at animals leads to development of dermatitises, lesions mucous, changes in heart and kidneys, depigmentation of hair, loss of appetite, neuritises, paralyses. What is the cause of this state?

A – insufficiency of respiratory enzymes;

B – change of activity of hydrolyzing enzymes;

C – insufficiency of coenzyme A;

D – insufficiency of lipase;

Е – insufficiency of enzymes of protein biosynthesis.

8. What is a biological role of vitamin РР, and what are the symptoms of its deficiency?

_____________________________________________________________________________

9. What are the symptoms of В₆deficiency В₆, and at what diet the requirement of vitamin B₆ does increase? _____________________________________________________________________

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10. What vitamin is synthesized in the animal organism from tryptophan?_____________________

11. Indicate a correct answer. In what processes the biotin DOES NOT participate?

А – biosynthesis of fatty acids;

В – biosynthesis of purine;

С – gluconeogenesis;

D – biosynthesis of glycogen;

Е – oxidation of residue of propionic acid in a Krebs cycle.

12. What is the chemical nature of internal factor necessary for absorption of vitamin B₁₂? ____________________________________________________________________________

13. Write the formula and name the active form of folic acid.

14. What are the symptoms of deficiency of vitamin B_с?

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15. Write names of diseases, symptoms of which are figured at pictures. From the biochemical point of view explain the causes of their development.

1. ____________________________________________________

______________________________________________________

2. ____________________________________________________

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3. ____________________________________________________

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16.1. In the patient with decreased gastric acidity and disorders of nervous system the physician has suggested the hypovitaminosis В₁₂ and administrated blood analysis. Indicate the significances of erythrocytes and hemoglobin values, which can confirm this diagnosis.

Erythrocytes –

Hemoglobin –

16.2. What will be observed: normochromia, hypochromia, hyperchromia (underline)? What cells, non-characteristic for healthy persons, it is possible to find in the blood and bone marrow of this patient? ________________________________________________________________

16.3. What is more possible reason for the hypovitaminosis В₁₂ in this patient? How it is necessary to take vitamin for treatment? __________________________________________________

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Методы и средства гигиенического обучения и воспитания населения

Анализ дебиторской задолженности

Недостатки речного транспорта

ПРОИЗВОДИТЕЛЬНОСТЬ ТРУДА

Индексы переменного и постоянного состава, индекс структурных сдвигов

Объяснительно-иллюстративный метод обучения

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