KROK 1 2009 – Question 104 · KROK (Medicine) · Physiology
During an experiment the dorsal roots of the spinal cord of an animal have been cut. What changes will be observed in the innervation zone?
- A. Decrease in muscle tone
- B. Loss of motor functions
- C. Increase in muscle tone
- D. Sensitivity loss
- E. Sensitivity loss and loss of motor functions
Hint
Recall the Bell-Magendie rule on what the posterior and anterior spinal roots carry.
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
- An experimental animal has lost orientative reflexes as a result of destruction of certain brainstem structures. What structures had been destroyed?
- A patient has osmotic pressure of blood plasma at the rate of 350 mOsmol/l (norm is 300 mOsmol/l). This will cause hypersecretion of the following…
- A 32-year-old patient consulted a doctor about the absence of lactation after parturition. Such disorder might be explained by the deficit of the…
- During an experiment the myotatic reflex has been studied in frogs. After extension in a skeletal muscle its reflectory contraction was absent. The…
- During an experiment vagus branches that innervate heart are being stimulated. This has stopped conduction of excitement from the atria to the…
- In response to a change in body position from horizontal to vertical blood circulation system develops reflectory pressor reaction. Which of the…