KROK 1 2013 – Question 92 · KROK (Medicine) · Physiology
During the fight, a man had a cardiac arrest due to the strong blow to the upper region of the anterior abdominal wall. Which of the following mechanisms has led to the cardiac arrest?
- A. Peripheral reflexes
- B. Sympathetic unconditioned reflexes
- C. Sympathetic conditioned reflexes
- D. Parasympathetic unconditioned reflexes
- E. Parasympathetic conditioned reflexes
Hint
Think of which division of the autonomic nervous system slows the heart, and whether a response to a sudden blow depends on learning.
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 pregnant woman underwent AB0 blood typing. Red blood cells were agglutinated with standard sera of the I and II blood groups, and were not…
- An attack of tachycardia that occurred in a patient was stopped by pressing on his eyeballs. Which of the following reflexes underlies this…
- Workers of a conveyor workshop received recommendations for the effective organization of working time and higher working efficiency. What…
- An animal has an increased tonus of extensor muscles. This is the result of enhanced information transmission to the motoneurons of the spinal cord…
- A 19-year-old male was found to have an elevated level of potassium in the secondary urine. These changes might have been caused by the increase in…
- ECG of a patient displays an abnormally long R wave (up to 0,18 s). This is caused by a decrease in the conduction velocity of the following heart…