Amebic cystitis is represented by which ICD-10-CM code?

Ophthalmologic examination is important to rule out conjunctival lesions in patients with which of the following mucocutaneous diseases?

a. Mucous membrane pemphigoid b. Epidermolysis bullosa c. Lichen planus d. Herpangina e. Secondary syphilis

Often called a PET scan, a(n) ________ tomography test shows blood flow and metabolic activity in the brain to help physicians identify certain neurological and central nervous system disorders. 

Fill in the blank(s) with the appropriate word(s).