Which of the following statements about bacterial orbital cellulitis is NOT correct？
A. Bacterial orbital cellulitis is a life-threatening infection of the soft tissues behind the orbital septum
B. It can occur at any age but is more common in middle-aged men
C. The most common causative organisms are S. pneumoniae, S. aureus, S. pyogenes and H. influenzae
D. None of the above
查看答案
Which of the following statements regarding the pathogenesis of bacterial orbital cellulitis is correct?
A. sinus-related, most commonly ethmoidal, typically affects children
B. extension of the preseptal cellulitis through the orbital septum
C. local spread from adjacent dacryocystitis, mid-facial or dental infection
D. all of above
Which of the following statements regarding the symptoms of papilledema is correct?
A. Headaches
B. Nausea and vomiting
C. deterioration of consciousness
D. all of above
What are the clinical manifestations of AION?
A. In the early stage, we can find mild optic disc edema
B. Patients usually suffer from sudden visual loss, often when they wake up in the morning
C. Severe cases cannot cause blindness
D. all of above
Which of the following statements regarding the risk factors of AION is correct?
A. Diabetes
B. Major bleeding
C. Internal carotid artery stenosis
D. All of above
微信支付 
支付宝支付