Face & Scalp

1.A college student was brought to the casualty with history of road traffic accident. Among other clinical findings there was evidence of injury of the facial nerve on the right side. From your knowledge of anatomy answer the following:

• a) Describe the extra cranial course, relations, branches and distribution of the facial nerve.
• b) What clinical features are expected to be seen if the nerve is injured as it emerges from the stylomastoid foramen

1.Name the layers of the scalp. Why do scalp wounds bleed profusely. Which layer is considered the dangerous layer and why

2.Orbicularis oculi muscle

3.Facial nerve

4.Layers of scalp with clinical implications

1.Explain anatomical basis of facial nerve palsy

2.Middle meningeal artery

3.Extra cranial branches of facial nerve

4.Anterior fontanelle

5.Routes of spread of infection from dangerous area of face to the cavernous sinus

1.Assertion: Scalp injuries bleed profusely

• Reason: Dangerous layers of scalp is rich in arteries
• a) Both A and R are true, and R is the reason for A
• b) Both A and R are true, and R is not the reason for A
• c) A is correct but R is incorrect
• d) A is incorrect but R is correct

2.Cutaneous sensations over which area of face is not affected in this condition

• a) Tip of nose
• b) Angle of mandible
• c) Angle of mouth
• d) Forehead