Overall assessment of the knowledge

A teacher analyses competencies: knowledge, self-education on the theme, analyses mistakes that were done by students at the passing of tests. At the end of the lesson corresponding points are put.

Test:

1. Regularity of the rhythm on cardiogram is determined by the equality of intercyclic intervals:

A) P - Q

B) Q –T

C) S – T

D) P – P

E) R – R

2. Time intervals between the prongs of the same name of neighbouring cycles are called:

A) intervals;

B) segments;

C) amplitudes;

D) frequencies;

E) periods.

3. Time of the excitation propagation in ventricles that is determined by the width of QRS complex is:

A) 0.06 – 0.1sec;

B) 0.12 – 0.2 sec;

C) 0.7 – 0.9 sec;

D) 0.18 – 0.34 sec;

E) 0.9 – 1.2 sec.

4. Biopotential that is taken from the surface of a body is measured in:

A) milliampere;

B) millivolt;

C) nanometer;

D) micrometer;

E) Farad.

5. Standard bipolar leads fix … between two points of the body surface:

A) potential difference;

B) impedance;

C) changing of signal frequency;

D) membrane resting potential;

E) action potential.

6. Are in cardiogram (3 answers):

A) prongs;

B) segments;

C) frequencies;

D) membrane potentials;

E) intervals.

7. The first standard lead corresponds to the placing of electrodes on:

A) right and left hands;

B) right hand and left leg;

C) left leg and left hand;

D) right leg and right hand;

E) right and left legs.

8. The second standard lead corresponds to the placing of electrodes on:

A) right and left hands;

B) right hand and left leg;

C) left leg and left hand;

D) right leg and right hand;

E) right and left legs.

9. The third standard lead corresponds to the placing of electrodes on:

A) right and left hands;

B) right hand and left leg;

C) left leg and left hand;

D) right leg and right hand;

E) right and left legs.

10. Ventricular complex on cardiogram includes prongs:

A) QRS

B) PRS

C) PQT

D) SRQ

E) SQR

11. Which of the intervals does have the longest duration (in sec):

A. QRS

B. RR

C. ST

D. QT

12. Heart biopotentials directly reflects the processes of excitation and conduction of impulses in:

A) myocardium;

B) pericardium;

C) neurolemma;

D) sarcolemma;

E) dendrite.

 

13. The great importance for EEG genesis has:

A) interrelation of electrical activity of pyramidal neurons;

B) interrelation between cerebral cortex and electrodes;

C) interrelation between electrodes;

D) totality of current electrical details of separate neurons;

E) arithmetic mean of the potential differences.

14. Is used for the modeling of the cerebral cortex electrical activity:

A. Franck model;

B. Gibbs energy;

C. Einstein model;

D. Zhadin model;

E. Stoletov model.

15. Main indexes of EEG value are (2 answers):

A) frequency of these oscillations;

B) changing of the potential difference;

C) amplitude of these oscillations;

D) standard deviation of these oscillations;

E) arithmetic mean of the potential differences.

16. Generation of exciting postsynaptic potential in the area of dendrite trunk without the branching leads to the emergence of:

A) quadrupole;

B) dendrite dipole;

C) action potential;

D) resting potential;

E) somatic dipole.

17. Registering and analysis of heart biopotentials is used in medicine in:

А) in diagnostical purposes at cardiovascular diseases;

В) in treatment methods at cardiovascular diseases;

С) in diagnostical purposes at neurological diseases;

D) in diagnostical methods for the determination of heart sizes;

Е) in diagnostics of impedance of living tissue.

18. Electrocardiography is based on:

А) Einthoven theory that allows to evaluate the heart biopotentials;

В) Faraday theory;

С) Doppler phenomenon;

Д) Peltier phenomenon;

Е) Einstein theory.

19. ECG prongs are donoted in sequence:

А) P-Q-R-S-T-U

В) U-P-R-S-T-Q

С) U-Q-P-R-S-T

Д) P-Q-S-R-T-U

Е) P-Q-R-S-U-T

20. At the pathological changes in heart is observed:

А) changing of the height and intervals of the ECG;

В) changing of the height of ECG prongs;

С) changing of the ECG intervals;

Д) form of ECG doesn’t change;

Е) absence of R-prong.

21. Method of the registering of brain bioelectrical activity:

А) encephalography;

В) electrography;

С) echoencephalography;

D) electromyography;

Е) electrocardiography.

22. Method of the registering of muscle bioelectrical activity:

А) encephalography;

В) electrography;

С) echoencephalography;

D) electromyography;

Е) electrocardiography.

23. Electric voltage that emerges in cells and tissues of biological objects is called:

А) electrical field;

В) electromagnetic waves;

С) biopotentials;

Д) biological membranes;

Е) electroconductivity.

24. Muscle fibers in a slice have the structure:

А) regular hexagonal;

В) irregular hexagonal;

С) cubic;

Д) quadratic;

Е) irregular cubic.

25. In which vessels the probability of turbulent flow occurrence is higher?

А) in large;

В) in small;

С) emergence of turbulency doesn’t depend of vessel diameter;

Д) in capillaries;

Е) in veins.