1. A patient has symptoms of the insufficient blood supply of the cervical spinal segments and brainstem. Which arteries can be damaged?
2. In case of the compression of the internal jugular veins, the cerebrospinal fluid pressure increases in the cranial and spinal subarachnoid spaces. The Queckenstedt test is based on this phenomenon. Explain this phenomenon.
3.During tonsillectomy (the removal of the palatine tonsils), strong bleeding occurred. Explain what could cause such complication?
4.A patient has thrombosis of the inferior cerebral veins and symptoms of visual disorders. Explain the appearance of these symptoms.
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