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Tasks for self-control

1. It is known that ionic channels of excitable cell membrane regulate membrane potentials altitude. It was assessed experimentally that tetrodotoxin blockaded excitable cell membrane sodium channels. Question. How ionic distribution on membrane internal and external sides will be changed at this? Answer. Sodium ions concentration will get increased non-significantly on membrane external side because sodium ions stop completely pass to the cell.

2. It is known that ethylendiamine tetraammonium (EDTA) binds calcium ions in alive cells. EDTA was injected under experimental conditions on frog’s nervous-muscular preparation in nervous-muscular synapse region. Question. How excitement conductance process will be changed in a synapse? Answer. It will lead to acetylcholine releasing stoppage in nervous-muscular synapse and transmittance blockade through the synapse.

3. Ca ions gradient was increased experimentally outside and inside the excitable cell. Result: resting potential will decreased but action potential will be non-changed.

  1. What conditions should be fulfilled for singular muscular contractions summarizing? Answer: Repeated irritation must be performed during first singular contraction and must’t coincide to the first excitement refractory period.

  2. Frog’s nervous roots binding spine with periphery was cutted under experimental conditions. Question. What effects will be observed at cutting all anterior roots on the right? Answer: right extremities movements will disappear.

  3. Contractions of separate muscles of trunk and extremities was observed under experiment at animal brain weak electrical current irritation. Question. What brain parts were irritated? Answer: Precentral gyrus motor areas.

  4. Impulse activity of nerves carrying the information from flexor proprioreceptors and elbow joint bursa receptors was registrated under experiment on monkey. Question. Whether extremities movements in the joint will be saved at this? Answer: yes.

  5. The patient with haemorrhagy in medulla oblongata was admitted to the hospital. Question. Why is it so dangerous? Answer: heart stoppage, vascular collapse and respiration stoppage can be developed.

  6. 10-yeared child complaints on sleepness, attention weakening and bad study. Question. What probable reasons of such a state? Answer: Thyroid increasing.

DIRECTORY FOR THE STUDENT BY STUDYING THE SUBJECT

PHYSIOLOGY

(structure, aims, content of the subject, assessment principles, control questions)

1. Introduction.

Study hours number – 300 (10 credits of ECTS), from which:

lectures - 60 hours, practical classes – 140 hours, from which 10 – credit module control, self-work – 100 hours. It is studied at the 2-nd course during 2 terms. The subject content is divided into 4 modules and 17 content modules.

2. The subject “Normal Physiology” structure and marks putting for the current activity (traditional marks conversion into degrees; mark in degrees for self-work performance).

The module№, study hours number, ECTS credits number

Content modules number, their numbers

Practicalclasses number

Degrees that are putted to the students for their marks at the classes

Mini-mal deg-rees

Degrees for individu-al work perfor-mance as SWS

“5”

“4”

“3”

“2”

Мodule 1

90/3,0

6

№№ 1-6

22

5

4

3

0

66

10

Мodule 2

90/3,0

3

№№ 7-9

24

5

4

3

0

72

-

Мodule 3

60/2,0

4

№№ 10-13

10

12

9

6

0

60

-

Мodule 4

60/2,0

4

№№ 14-17

8

15

12

8

0

64

-

Student is allowed to pass the credit module control under conditions of educational programme fulfillment if he took not less than minimal degree for his current study activity (it represents degree number corresponding to the mark “3” multiplied into practical classes quantity).

The degrees maximal quantity for the student current activity for every module is 120.

Credit test control is standed to the student if he had 50 degrees from 80 at test control.

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