KROK 1 2011 – Question 13 · KROK (Medicine) · Physiology
The minute blood volume in a patient with transplanted heart has increased as a result of physical activity. What regulative mechanism is responsible for these changes?
- A. Parasympathetic unconditioned reflexes
- B. Sympathetic conditioned reflexes
- C. Parasympathetic conditioned reflexes
- D. Catecholamines
- E. Sympathetic unconditioned reflexes
Hint
Consider what a heart transplant does to the nerves reaching the organ, and which remaining route of regulation can still act on it during exercise.
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 coprological survey revealed lightcolored feces containing drops of neutral fat. The most likely reason for this condition is the disorder of:
- During preparation of a patient to a heart surgery it was necessary to measure pressure in heart chambers. In one of them pressure varied from 0 mm…
- Lung ventilation in a person is increased as a result of physical activity. Which of the following indices of the external respiration is much…
- As a result of activation of the ion channels of the external membrane the rest potential of an excitable cell has greatly increased. What channels…
- As a result of continuous starvation the glomerular filtration rate has increased by 20%. The most probable cause of the glomerular filtration…
- A man who is riding the carousel presents with increased heart rate, sweating, nausea. This condition is caused primarily by the stimulation of the…