Dermatology Quiz: Acne and Rosacea Treatments
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Questions and Answers

What is the most appropriate treatment for a pregnant female at 16 weeks gestation with rosacea?

  • Minocycline
  • Azithromycin (correct)
  • Metronidazole
  • Clarithromycin
  • Which live attenuated vaccine is commonly administered to provide immunity against the disease?

  • Human papilloma virus
  • Pneumococci
  • Meningococci
  • Yellow fever (correct)
  • What is the likely cause of the rash on the face and bullae on the thumb of a 6-month-old child?

  • Vitamin C deficiency
  • Iron deficiency anemia
  • Zinc deficiency
  • Alkaline phosphatase deficiency (correct)
  • A patient presents with erosions and bleeding on the lips, along with mild fever and productive cough. What is the most appropriate treatment for these lesions?

    <p>Antibiotics (mycoplasma)</p> Signup and view all the answers

    In the context of a child with lip erosion (TEN), what is the recommended treatment?

    <p>IVIG</p> Signup and view all the answers

    A patient with acne on minocycline develops a nodule. What would be the appropriate next step in treatment?

    <p>Isotretinoin</p> Signup and view all the answers

    Which of the following is the most common organism causing verrucous leg?

    <p>Chromoblastomycosis</p> Signup and view all the answers

    In bullous impetigo, which toxin is responsible for the condition?

    <p>Exfoliative toxin A &amp; B</p> Signup and view all the answers

    What is the vector for Rocky Mountain spotted fever?

    <p>Tick</p> Signup and view all the answers

    What is the causative organism for Erythrasma, which shows coral red fluorescence under Wood's light?

    <p>Corynebacterium minutissimum</p> Signup and view all the answers

    In a patient with multiple nodules periumbilical and CD4 count of 200, what should be the next investigation if metastatic cancer is suspected?

    <p>PET scan if SMJ nodule</p> Signup and view all the answers

    A patient with HIV and Kaposi's sarcoma likely has which type of HHV8?

    <p>1</p> Signup and view all the answers

    What is the most common complication after being scratched by a cat and developing a nodule with enlarged lymph nodes?

    <p>Encephalitis</p> Signup and view all the answers

    In a patient with a pacemaker, what should be used for lesion removal?

    <p>Electrocautery</p> Signup and view all the answers

    What is the next step if Quantiferon is reactive in a patient?

    <p>Chest X-ray</p> Signup and view all the answers

    A patient who has been traveling abroad and consumed seafood develops recurring migratory erythematous migratory urticarial plaques. What is the likely diagnosis?

    <p>Gnathostomiasis</p> Signup and view all the answers

    In a patient with peripheral penile ulcers and a history of similar condition 3 years ago, which investigation is typically used?

    <p>PCR testing</p> Signup and view all the answers

    What is the most common involvement in severe cystic acne with clavicular pain and subcorneal papules (SAPHO)?

    <p>Palmoplantar</p> Signup and view all the answers

    What is the recommended treatment for Rosacea in pregnancy if azelaic acid is not an option?

    <p>Metronidazole</p> Signup and view all the answers

    If a patient with acne on minocycline develops a nodule, what would be the appropriate next step in treatment?

    <p>Isotretinoin</p> Signup and view all the answers

    If a patient with acne on clindamycin develops pustule lesions, what would be the appropriate next step in treatment?

    <p>Isotretinoin</p> Signup and view all the answers

    In a patient with acne who develops lesions in the leg with erythema nodosum, which treatment could potentially exacerbate the acne?

    <p>Potassium iodide (KI)</p> Signup and view all the answers

    What is the recommended treatment for rosacea in a pregnant female at 16 weeks gestation?

    <p>Azithromycin</p> Signup and view all the answers

    In a case of dissecting cellulitis of the scalp with increased urea and creatinine, what would be the appropriate treatment?

    <p>Rifampicin</p> Signup and view all the answers

    Which of the following vaccines is a live attenuated vaccine?

    <p>Yellow fever</p> Signup and view all the answers

    In a 6-month-old child with rash on the face and bullae on the thumb, what could be the potential defect?

    <p>Complement system</p> Signup and view all the answers

    What is the causative organism for Erythema Infectiosum?

    <p>Parvovirus B19</p> Signup and view all the answers

    In a case of mouth erosion and bleeding on lips with mild fever and productive cough, what is the most appropriate treatment for these lesions?

    <p>Antibiotics (for mycoplasma)</p> Signup and view all the answers

    For a child with lip erosion (TEN), what is the recommended treatment?

    <p>IVIG</p> Signup and view all the answers

    What is the treatment for a child with scalp and scales, weighing 20 kg?

    <p>Griseofulvin 400</p> Signup and view all the answers

    Which toxin is responsible for bullous impetigo?

    <p>Exfoliative toxin A &amp; B</p> Signup and view all the answers

    What is the vector for Rocky Mountain spotted fever?

    <p>Tick</p> Signup and view all the answers

    What is the causative organism for Erythrasma, which shows coral red fluorescence under Wood's light?

    <p>Corynebacterium minutissimum</p> Signup and view all the answers

    What is the most common complication after being scratched by a cat and developing a nodule with enlarged lymph nodes?

    <p>Pneumonitis</p> Signup and view all the answers

    In a patient with peripheral penile ulcers and a history of a similar condition 3 years ago, which investigation is typically used?

    <p>PCR</p> Signup and view all the answers

    What is the likely cause of the rash on the face and bullae on the thumb of a 6-month-old child?

    <p>Impetigo contagiosa</p> Signup and view all the answers

    In a patient with a pacemaker, what should be used for lesion removal?

    <p>Electrocautery</p> Signup and view all the answers

    What is the most common complication after being scratched by a cat and developing a nodule with enlarged lymph nodes?

    <p>Pneumonitis</p> Signup and view all the answers

    What is the causative organism for Erythrasma, which shows coral red fluorescence under Wood's light?

    <p>Corynebacterium minutissimum</p> Signup and view all the answers

    In a patient with peripheral penile ulcers and a history of a similar condition 3 years ago, which investigation is typically used?

    <p>PCR</p> Signup and view all the answers

    What is the recommended treatment for rosacea in a pregnant female at 16 weeks gestation?

    <p>Metronidazole gel</p> Signup and view all the answers

    In a case of dissecting cellulitis of the scalp with increased urea and creatinine, what would be the appropriate treatment?

    <p>Isotretinoin</p> Signup and view all the answers

    A patient with acne on minocycline develops a nodule. What would be the appropriate next step in treatment?

    <p>Discontinue minocycline and start oral isotretinoin</p> Signup and view all the answers

    What is the vector for Rocky Mountain spotted fever?

    <p>Tick</p> Signup and view all the answers

    In a patient with severe cystic acne, clavicular pain, and subcorneal papules (SAPHO), which type of involvement is most common?

    <p>Extremities</p> Signup and view all the answers

    What is the recommended treatment for rosacea in a pregnant female at 16 weeks gestation?

    <p>Azithromycin</p> Signup and view all the answers

    Which of the following live attenuated vaccines provides immunity against the disease it is administered for?

    <p>Yellow fever</p> Signup and view all the answers

    In a 6-month-old child with rash on the face and bullae on the thumb, what could be a potential defect?

    <p>Alkaline phosphatase</p> Signup and view all the answers

    What is the most appropriate treatment for a patient with mouth erosions, bleeding on lips, mild fever, and productive cough for 3 days?

    <p>Antibiotics (mycoplasma)</p> Signup and view all the answers

    In a patient with peripheral penile ulcers and a history of similar condition 3 years ago, which investigation is typically used?

    <p>VDRL test</p> Signup and view all the answers

    Which of the following is the most appropriate treatment for a patient with acne on minocycline who develops a nodule?

    <p>Isotretinoin</p> Signup and view all the answers

    What is the causative organism for Erythema Infectiosum?

    <p>Parvovirus B19</p> Signup and view all the answers

    In a 6-month-old child with rash on the face and bullae on the thumb, what could be the potential defect?

    <p>Alkaline phosphatase</p> Signup and view all the answers

    What is the most appropriate treatment for a child with lip erosion (TEN)?

    <p>IVIG</p> Signup and view all the answers

    In a case of mouth erosion and bleeding on lips with mild fever and productive cough for 3 days, what is the most appropriate treatment for these lesions?

    <p>Antibiotics (mycoplasma)</p> Signup and view all the answers

    Which of the following vaccines is a live attenuated vaccine?

    <p>Yellow fever</p> Signup and view all the answers

    What is the causative organism for Erythrasma, which shows coral red fluorescence under Wood's light?

    <p>Streptococcus pyogenes</p> Signup and view all the answers

    In a patient with HIV and Kaposi's sarcoma, which type of HHV8 is likely involved?

    <p>HHV8 type B</p> Signup and view all the answers

    What is the vector for Rocky Mountain spotted fever?

    <p>Ixodes scapularis tick</p> Signup and view all the answers

    If a patient with acne on clindamycin develops pustule lesions, what would be the appropriate next step in treatment?

    <p>Isotretinoin</p> Signup and view all the answers

    What is the most common involvement in severe cystic acne with clavicular pain and subcorneal papules (SAPHO)?

    <p>Extremities</p> Signup and view all the answers

    What is the next investigation if metastatic cancer is suspected in a 40-year-old patient with multiple nodules periumbilical and a CD4 count of 200?

    <p>PET scan if SMJ nodule</p> Signup and view all the answers

    What is the vector for Rocky Mountain spotted fever?

    <p>Tick</p> Signup and view all the answers

    Which toxin is responsible for bullous impetigo?

    <p>Exfoliative toxin A &amp; B</p> Signup and view all the answers

    What is the causative organism for Erythrasma, which shows coral red fluorescence under Wood's light?

    <p>Corynebacterium minutissimum</p> Signup and view all the answers

    What is the most common organism causing verrucous leg?

    <p>Chromoblastomycosis</p> Signup and view all the answers

    Which type of Bartonella is associated with cat scratch disease and presents with regional LN and corallette scales on smooth papules?

    <p>Bartonella henselae</p> Signup and view all the answers

    What type of mycobacteria is likely to be responsible for a female patient's complaint of erythematous nodule on a tattoo due to mycobacteria inoculation during tattoo making?

    <p>Mycobacterium marinum</p> Signup and view all the answers

    Which antiviral can cause ulcers on the shaft of the penis?

    <p>Foscarnet</p> Signup and view all the answers

    What is the most appropriate treatment for a patient with acne on minocycline who develops a nodule?

    <p>Isotretinoin</p> Signup and view all the answers

    In a patient with acne who develops lesions in the leg with erythema nodosum, which treatment could potentially exacerbate the acne?

    <p>Potassium iodide</p> Signup and view all the answers

    What is the most common involvement in severe cystic acne with clavicular pain and subcorneal papules (SAPHO)?

    <p>Extremities</p> Signup and view all the answers

    What is the recommended treatment for rosacea in a pregnant female at 16 weeks gestation?

    <p>Azithromycin</p> Signup and view all the answers

    Which live attenuated vaccine is commonly administered to provide immunity against the disease?

    <p>Yellow fever</p> Signup and view all the answers

    In a 6-month-old child with rash on the face and bullae on the thumb, what could be a potential defect?

    <p>Arylsulfatase A</p> Signup and view all the answers

    Which investigation is indicated for a 40-year-old patient with multiple periumbilical nodules and a CD4 count of 200, if metastatic cancer is suspected?

    <p>PET scan if SMJ nodule</p> Signup and view all the answers

    What is the most common complication after being scratched by a cat and developing a nodule with enlarged lymph nodes?

    <p>Encephalitis</p> Signup and view all the answers

    Which toxin is responsible for bullous impetigo?

    <p>Exfoliative toxin A &amp; B</p> Signup and view all the answers

    What is the vector for Rocky Mountain spotted fever?

    <p>Tick</p> Signup and view all the answers

    What is the causative organism for erythrasma that shows coral red fluorescence under Wood's light?

    <p>Corynebacterium minutissimum</p> Signup and view all the answers

    What should be used for lesion removal in a patient with a pacemaker?

    <p>Electrocautery</p> Signup and view all the answers

    In a patient with peripheral penile ulcers and a history of similar condition 3 years ago, which investigation is typically used?

    <p>PCR</p> Signup and view all the answers

    What type of mycobacteria is likely responsible for a female patient's complaint of erythematous nodule on a tattoo due to mycobacteria inoculation during tattoo making?

    <p>-Marinum</p> Signup and view all the answers

    Which antiviral can cause ulcers on the shaft of the penis?

    <p>Foscarnet</p> Signup and view all the answers

    In a patient with acne who develops lesions in the leg with erythema nodosum, which treatment could potentially exacerbate the acne?

    <p>Steroid</p> Signup and view all the answers

    What is the likely cause of the rash on the face and bullae on the thumb of a 6-month-old child?

    <p>Genetic defect</p> Signup and view all the answers

    Which live attenuated vaccine provides immunity against the disease it is administered for?

    <p>Congenital varicella syndrome</p> Signup and view all the answers

    What is the recommended treatment for a patient with dissecting cellulitis of the scalp and increased urea and creatinine?

    <p>Rifampicin</p> Signup and view all the answers

    Which live attenuated vaccine provides immunity against yellow fever?

    <p>Yellow fever</p> Signup and view all the answers

    What would be the appropriate next step in treatment for a patient with acne on clindamycin who develops pustule lesions?

    <p>Isotretinoin</p> Signup and view all the answers

    Which treatment could potentially exacerbate acne in a patient with erythema nodosum on the leg?

    <p>Potassium iodide (KI)</p> Signup and view all the answers

    What is the most appropriate treatment for rosacea in a pregnant female at 16 weeks gestation?

    <p>Azithromycin</p> Signup and view all the answers

    What is the most common organism causing verrucous leg?

    <p>Chromoblastomycosis</p> Signup and view all the answers

    In bullous impetigo, which toxin is responsible for the condition?

    <p>Exfoliative toxin A &amp; B</p> Signup and view all the answers

    What is the vector for Rocky Mountain spotted fever?

    <p>Tick</p> Signup and view all the answers

    What is the causative organism for erythrasma that displays coral red fluorescence under Wood's light?

    <p>Corynebacterium minutissimum</p> Signup and view all the answers

    In a patient with a pacemaker, what should be used for lesion removal?

    <p>Electrocautery</p> Signup and view all the answers

    What is the most common complication after being scratched by a cat and developing a nodule with enlarged lymph nodes?

    <p>Encephalitis</p> Signup and view all the answers

    What is the most appropriate treatment for a patient with mouth erosions, bleeding on lips, mild fever, and productive cough for 3 days?

    <p>Antiviral therapy</p> Signup and view all the answers

    Which live attenuated vaccine commonly administered provides immunity against the disease it is administered for?

    <p>(MMR) Measles, Mumps, Rubella vaccine</p> Signup and view all the answers

    What should be used for lesion removal in a patient with a pacemaker?

    <p>Electrocautery</p> Signup and view all the answers

    What is the vector for Rocky Mountain spotted fever?

    <p>Tick</p> Signup and view all the answers

    What is the causative organism for erythrasma that displays coral red fluorescence under Wood's light?

    <p>Corynebacterium minutissimum</p> Signup and view all the answers

    What is the most common complication after being scratched by a cat and developing a nodule with enlarged lymph nodes?

    <p>Encephalitis</p> Signup and view all the answers

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