system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Caldwell lac view (occipito-frontal) can visualise -a) Sphenoid sinusb) Nasal bone c) Maxillary boned) Ethmoide) Frontal sinus
assistant
The correct answer is  None