Posted by lae2 on October 12, 2011 at 09:02:26:
These questions were not submitted by the lecturer.
True/False - 2011
1. Pressure within the orbit increased due to poor arterial perfusion during cavernous infection.
2. The optic nerve is one of the first cranial nerves to become symptomatic during cavernous sinus infection.
3. Facial infections of the upper lip have access to the cavernous sinus by veins of the orbit and by the pterygoid venous plexus.
4. A spread of infection from left upper lip may first reflect an adducted right eye and then, days later, an adducted left eye.
5. Waxing and waning muscle weakness may reflect a arterial compression (carotid tubercle) according to joint position.
6. A pancoast tumor may affect the contents of relations of the vertebral triangle.
7. Dystonia (spasm) of the right sternocleidomastoid will case turning of the neck toward the left.
8. An abscess of the lower molars or peridontal tissues may cause enlargement of the submandibular lymph nodes.
9. An apical abscess may form a fistula leading to floor of the mouth.
10. An apical abscess may form a fistula into the submandibular spaces and, thus, gains access to the cervical spaces defined cervical fascia.