KROK 1 2017 – Question 110 · KROK (Medicine) · Physiology
During experiment a skeletal muscle is being stimulated with a series of electrical impulses. What type of muscular contraction will develop, if each following impulse occurs within the relaxation period after the previous single contraction of the muscle?
- A. Incomplete tetanus
- B. Series of single contractions
- C. Muscle contracture
- D. Asynchronous tetanus
- E. Smooth tetanus
Hint
Think about where in the twitch cycle each new stimulus lands and whether the muscle has fully relaxed by then.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Physiology
- A patient presents with steatorrhea. This disorder can be linked to disturbed supply of the intestine with the following substances:
- A 16-year-old girl fainted when she tried to quickly change her position from horizontal to vertical. What caused the loss of consciousness in the…
- Blood test of an athlete shows the following: erythrocytes - 5,5 · 10¹² /l, hemoglobin - 180 g/l, leukocytes - 7 · 10⁹ /l, neutrophils - 64%…
- Experimental stimulation of the sympathetic nerve branches that innervate the heart caused an increase in the force of heart contractions because…
- The patient’s ECG shows that in the second standard lead from the extremities the P waves are positive, their amplitude is 0,1 mV (norm is 0,05-0,25…
- Pupil dilation occurs when a person steps from a light room into a dark one. What reflex causes such a reaction?