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Which one of the following organisms often is related to angular cheilitis?

Which one of the following vesiculobullous disorders is characterized by the so-called target lesions on the skin?

On clinical examination, a 44 year old patient presents with Nail kolionychia (i.e. the central portion of the nail is depressed). This feature is indicative of:

Oral Lichen Planus:

3.png A 40-year-old female presented to the clinic with a complaint of a recent increase in frequency and severity of mouth ulcers. She confirm that she has a problem with mouth ulcers for the past 10 years. They usually occur on the inner surface of the upper and lower lips. Of late, they are more frequent (4 episodes a year) and more painful (8/10 pain score). A thorough intra-oral examination reveals scar tissue from previous ulcers. On taking her medical history, she reported normal bowel movements and no gastro-intestinal problems. An intra-oral examination reveals a solitary ulcer on the upper labial mucosa. The ulcer shown above measures 1.4 cm x 1 cm. The patient is likely suffering from:

The most common site for necrotizing sialometaplasia is:

5.jpg A 28-year-old female visits your practice complaining of white lesions on her palate the inside of her cheeks. On taking the patients medical history, the patient has nothing significant to report. When probing about her HIV status, the patient claims she is unaware of her status. On clinical examination the white lesions rub off easily leaving behind an erythematous area underneath. Which of the following is not a presdisposing factor associated with this condition ?

 A 68-year-old female patient visits your practice complaining of a painful posterior tooth that she wants to have extracted. Upon taking her medical history, she reveals that she recently underwent surgery for a fractured hip, and is currently taking warfarin (and has been on it for the last 3 months). She is unsure of the dose.What would be considered a safe INR value should you decide to extract the painful tooth ?

Aplastic anemia is a normochromic normocytic anemia caused by:

“Thus she had lain/sugar cane sweet/deserts her hair/golden her feet/mountains her breasts/two Niles her tears.” These lines from Maya Angelou’s poem “Africa” represent an example of