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Below are several different molecules. Which ones contain a ketone?

See image FThis 22-year-old patient presents with acute salmon-pink, mildly pruritic papules that have silvery-white scales, scattered diffusely over her body. She reports having streptococcal pharyngitis a few weeks earlier. She is not currently taking any medications. What is the most likely diagnosis? See image F

Which of the following chronic, systemic infections is known to occasionally occur from the process of tattooing?

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

The four cell layers of the enamel organ are:

Refer to image HThese images are two separate patients with the same diagnosis. Both have a unilateral rash that is very painful. Pain started a few days before the rash erupted and their rashes are only in the unilateral areas seen. What is the most likely diagnosis?Refer to image H

Refer to image DThis female presents with new-onset hair growth on her face. She is not currently using any medications. What disorder should be ruled out as a possible cause?Refer to image D

The tooth germ consists of three embryologic structures:

A 75-year-old male presents with large, tense bullae scattered diffusely over his trunk in a bilateral and symmetric pattern. He says it started a couple of days ago as urticaria that were severely pruritic. His only medication is furosemide. You decide to do a biopsy for confirmation of your suspected diagnosis and start the patient on high-dose oral steroids. What is the most likely diagnosis and its etiology?

Which of the following terms describes the change in identical embryonic cells to become distinct, both structurally and functionally?