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

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

<p>IVIG (C)</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 (D)</p> Signup and view all the answers

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

<p>Chromoblastomycosis (A)</p> Signup and view all the answers

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

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

What is the vector for Rocky Mountain spotted fever?

<p>Tick (A)</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 (A)</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 (D)</p> Signup and view all the answers

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

<p>1 (C)</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 (B)</p> Signup and view all the answers

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

<p>Electrocautery (D)</p> Signup and view all the answers

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

<p>Chest X-ray (B)</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 (C)</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 (C)</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 (B)</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 (C)</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 (B)</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 (D)</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) (A)</p> Signup and view all the answers

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

<p>Azithromycin (B)</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 (A)</p> Signup and view all the answers

Which of the following vaccines is a live attenuated vaccine?

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

What is the causative organism for Erythema Infectiosum?

<p>Parvovirus B19 (A)</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) (B)</p> Signup and view all the answers

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

<p>IVIG (D)</p> Signup and view all the answers

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

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

Which toxin is responsible for bullous impetigo?

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

What is the vector for Rocky Mountain spotted fever?

<p>Tick (A)</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 (B)</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 (A)</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 (B)</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 (C)</p> Signup and view all the answers

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

<p>Electrocautery (A)</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 (C)</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 (D)</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 (B)</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 (C)</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 (B)</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 (C)</p> Signup and view all the answers

What is the vector for Rocky Mountain spotted fever?

<p>Tick (B)</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 (B)</p> Signup and view all the answers

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

<p>Azithromycin (A)</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 (B)</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 (D)</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) (D)</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 (D)</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 (A)</p> Signup and view all the answers

What is the causative organism for Erythema Infectiosum?

<p>Parvovirus B19 (A)</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 (B)</p> Signup and view all the answers

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

<p>IVIG (D)</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) (A)</p> Signup and view all the answers

Which of the following vaccines is a live attenuated vaccine?

<p>Yellow fever (C)</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 (C)</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 (A)</p> Signup and view all the answers

What is the vector for Rocky Mountain spotted fever?

<p>Ixodes scapularis tick (D)</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 (B)</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 (B)</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 (D)</p> Signup and view all the answers

What is the vector for Rocky Mountain spotted fever?

<p>Tick (B)</p> Signup and view all the answers

Which toxin is responsible for bullous impetigo?

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

What is the most common organism causing verrucous leg?

<p>Chromoblastomycosis (D)</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 (D)</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 (B)</p> Signup and view all the answers

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

<p>Foscarnet (B)</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 (A)</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 (A)</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 (D)</p> Signup and view all the answers

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

<p>Azithromycin (B)</p> Signup and view all the answers

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

<p>Yellow fever (C)</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 (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 (B)</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 (B)</p> Signup and view all the answers

Which toxin is responsible for bullous impetigo?

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

What is the vector for Rocky Mountain spotted fever?

<p>Tick (A)</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 (C)</p> Signup and view all the answers

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

<p>Electrocautery (B)</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 (D)</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 (D)</p> Signup and view all the answers

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

<p>Foscarnet (A)</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 (A)</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 (A)</p> Signup and view all the answers

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

<p>Congenital varicella syndrome (A)</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 (C)</p> Signup and view all the answers

Which live attenuated vaccine provides immunity against yellow fever?

<p>Yellow fever (A)</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 (D)</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) (A)</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 (C)</p> Signup and view all the answers

What is the most common organism causing verrucous leg?

<p>Chromoblastomycosis (B)</p> Signup and view all the answers

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

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

What is the vector for Rocky Mountain spotted fever?

<p>Tick (B)</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 (B)</p> Signup and view all the answers

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

<p>Electrocautery (D)</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 (D)</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 (C)</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 (A)</p> Signup and view all the answers

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

<p>Electrocautery (A)</p> Signup and view all the answers

What is the vector for Rocky Mountain spotted fever?

<p>Tick (C)</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 (D)</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 (D)</p> Signup and view all the answers

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