A 9-year-old child presents with an extremely pruritic rash that is mainly on the trunk and seems to be spreading to the face and extremities. The rash is made up of many individual lesions that are in different stages – some appear as dome-topped vesicles on a red base, some as umbilicated vesicles and some as crusted papules. The child has missed two days of school due to fever, malaise, headache and abdominal pain. A Tzank smear of vesicle fluid shows giant multinucleated cells. What is the most likely diagnosis?

A patient presents with Herpes Zoster. Vesicles are noted on the anterior tip of her nose, (Hutchinson’s sign). Which nerve is involved?

In the area of the foramen cecum, epithelium invaginates deep into the tissue and eventually becomes the:

Refer to figure NThis patient presents for evaluation of a “rash” in the groin area. You note a sharply demarcated, reddish-brown, slightly scaly patch. Wood’s lamp examination reveals a coral-red fluorescence. Which of the following is the most likely diagnosis?Refer to figure N

Tooth development is also known as:

Which of the following is an accurate description of verruca plana?

Refer to image LThis patient presents with a malar rash that is typical for a systemic autoimmune disorder. She also complains of arthralgias, fatigue and multiple other complaints. What is the most likely autoimmune disorder associated with this rash?Refer to image L

Facial development is completed during the ________ week of prenatal development.

The walls of the pulp cavity are lined with:

What induces the preameloblasts to differentiate into ameloblasts?