PassMedicine

Question 1

What are the branches of the external carotid artery?

Answer 1

‘Some Angry Lady Figured Out PMS’

Superior thyroid (superior laryngeal artery branch)
Ascending pharyngeal
Lingual
Facial (tonsillar and labial artery)
Occipital
Posterior auricular
Maxillary (inferior alveolar artery, middle meningeal artery)
Superficial temporal

Question 2

Signs of lesions/ issues in the substantia nigra

Answer 2

Hyper/hypokinesia
choreoathetosis
hemiballism (one sided flinging of limbs)

Question 3

Signs of issues/lesions in the subthalamic nucleii

Answer 3

Lesions to this part of the basal ganglia cause a contralateral hemiballismus