All clinical features of phase III acute otitis media (before perforation) except

A-Otorrhea
B-Bubbling sound
C-Increased deafness
D-Fever
E- otalgia

uses if Siegel s speculum during ear examination provides all the following except

A-Assessment of movement of the tympanic membrane.
B- Removal of foreign body.

C-visualization.

D-As applicator for the powdered antibiotic in the ear.
E- magnification.

Regarding auricular hematoma

A-Blood clots are usually seen over the wound
B- Due to laceration of the auricle
C-Recurrence is more expected with aspiration 72
D- Cartilage can survive without blood supply for 96 hours
E- The blood vessels of the cartilage are responsible for blood collection

The outer aspect of the auricle is more prone for collection of hematoma than the inner aspect because:

A-The shearing force is sufficient to tear blood vessels on that aspect
B- It is more prone to direct trauma
C-Tightly adherent skin on the outer aspect D-The number of blood vessels are more on the outer aspect
E-The skin bed of the side of the scalp act as a cushion to protect the inner aspect

CSF otorrhoea is caused by

A-rupture of oval window
B- Fracture of the cribriform plate
C- Fracture of the temporal bone
D-Fracture of the parietal bone
E-Rupture of the tympanic membrane

Aim of mastoid surgery in chronic suppurative otitis media which should receive first priority is

A-Preserve the hearing.
B-Improve the hearing.
C-Rendering the ear safe
D-Eradication of infection
E-Making the ear dry