Physiology sem1 (v1)

Physiology Fundamentals Quiz

Test your knowledge on the principles of physiology with our engaging quiz specifically tailored for students of the subject.

This quiz includes questions about:

10 Questions2 MinutesCreated by ExploringNeuron547

4) Specify the mechanisms that form the membrane potential (MP):

1. By-Na pump repolarization

2. Concentration and electrochemical gradients trace electropositive potential

3. Pump-Na, diffusion, capillary forces

4. By-Na pump, concentration and electrochemical gradients

5. By-Na pump, electrochemical gradient, perfusion

5) How is the movement of ions and mainly what caused repolarization phase:

1. Slow flow of K + into the cell

2. The output of K + out of the cell

3. Out of K + and Na + out of the cell

4. Receipt of K + and Ca2 + into the cell

5. Log into the cell Cl-

6. Fast Na + entry into the cell

6)What the properties of the local response:

1. Powered by the law of power relations

2. The method of summation

3. Spreads with decrement

4. There is the action of subliminal stimuli

7) In the phase of exaltation: a) what happens to excitability ?; b) what is the reason?

1. A) excitability reduced to 0%; b) inactivated sodium channels

2. A) the excitability is gradually recovering; b) activated sodium channels

3. A) excitability reduced to 0%; b) inactivated sodium channels

4. A) excitability is increased by 10-20%; b) lower the threshold depolarization

9) Indicate: a) how the excitability at anodicheskoy exaltation; b) what mechanism underlies this:

1. A) is reduced; b) an increase in permeability to Ca2 +

2. A) increases; b) an increase in permeability to K +

3. A) is reduced; b) an increase in permeability to Na + ions

4. A) increases; b) changes in the level of critical depolarization

10) What structure lability related response of the neuromuscular preparation for indirect stimulation?