What is responsible for making grey matter appear grey?

The lateral horns of the spinal cord contain mainly _____.

A 39 week gestation male infant is admitted to the NICU because he is having abnormal movements which are concerning for seizure activity. His EEG is abnormal and upon careful exam you observe hypopigmented lesions on the infant’s trunk and extremities. Using a Wood’s light, you confirm the presence of ash leaf macules. What is the most likely diagnosis?

What symptoms would you expect to see in a patient with degradation of dopaminergic neurons in the substantia nigra?

Local currents depolarize the axon segments after segment one to threshold.

A diffuse region of grey matter in the brain stem related to sleep and wakefulness is the _____.

List the cranial nerves that have nuclei in the midbrain. For credit you must give both the name of the cranial nerve and its number in Roman numerals.

Which of these is an example of an excitatory postsynaptic potential?

Which is the most common neonatal malignancy?

You are called to the bedside of an infant with a diaper rash. Upon exam you note erythematous plaques with sharply demarcated edges. There are a few satellite bodies present and you note that skin folds are involved. What is your initial diagnosis based on this exam?