21.Miscellaneous_Diseases_Tests

Question 1

A patient presents with nephrotic syndrome and biopsy shows Congo red-positive deposits of light chains.
Which of the following diagnoses best fits this presentation?
A. Amyloidosis (Primary/Myeloma-Associated)
B. Amyloidosis (Secondary)
C. Amyloidosis (Hemodialysis-Associated)
D. Amyloidosis (Heredofamilial)

Answer 1

A - Amyloidosis (Primary/Myeloma-Associated): light chain protein deposition

Question 2

A patient with chronic rheumatoid arthritis develops amyloid deposition derived from acute phase reactants.
Which of the following diagnoses best fits this presentation?
A. Amyloidosis (Hemodialysis-Associated)
B. Amyloidosis (Secondary)
C. Amyloidosis (Heredofamilial)
D. Impetigo (Non-bullous)

Answer 2

B - Amyloidosis (Secondary): serum amyloid A deposition

Question 3

A long-term dialysis patient shows carpal tunnel syndrome with beta-2 microglobulin deposits in joints.
Which of the following diagnoses best fits this presentation?
A. Amyloidosis (Heredofamilial)
B. Impetigo (Non-bullous)
C. Amyloidosis (Hemodialysis-Associated)
D. Impetigo (Bullous)

Answer 3

C - Amyloidosis (Hemodialysis-Associated): beta-2 microglobulin deposition

Question 4

A patient with family history of amyloidosis shows peripheral neuropathy and transthyretin mutation.
Which of the following diagnoses best fits this presentation?
A. Impetigo (Non-bullous)
B. Impetigo (Bullous)
C. Crohn’s Disease
D. Amyloidosis (Heredofamilial)

Answer 4

D - Amyloidosis (Heredofamilial): mutant transthyretin deposition

Question 5

A child has honey-colored crusts around the mouth without systemic symptoms.
Which of the following diagnoses best fits this presentation?
A. Impetigo (Non-bullous)
B. Impetigo (Bullous)
C. Crohn’s Disease
D. Infectious Mononucleosis

Answer 5

A - Impetigo (Non-bullous): superficial skin infection with honey-colored crusts

Question 6

An infant presents with flaccid bullae on the skin positive for exfoliative toxin-producing S. aureus.
Which of the following diagnoses best fits this presentation?
A. Crohn’s Disease
B. Impetigo (Bullous)
C. Infectious Mononucleosis
D. HIV Infection

Answer 6

B - Impetigo (Bullous): bullae formation due to exfoliative toxin

Question 7

A patient has oral ulcerations and transmural granulomas on biopsy of the colon.
Which of the following diagnoses best fits this presentation?
A. Infectious Mononucleosis
B. HIV Infection
C. Crohn’s Disease
D. Linear Gingival Erythema

Answer 7

C - Crohn’s Disease: granulomatous inflammation of GI tract

Question 8

A teenager has fever, lymphadenopathy, and atypical lymphocytes on peripheral smear with positive Monospot.
Which of the following diagnoses best fits this presentation?
A. HIV Infection
B. Linear Gingival Erythema
C. Measles (Rubeola)
D. Infectious Mononucleosis

Answer 8

D - Infectious Mononucleosis: EBV infection with atypical lymphocytes

Question 9

A patient with low CD4 count presents with oral candidiasis and Kaposi sarcoma lesions.
Which of the following diagnoses best fits this presentation?
A. HIV Infection
B. Linear Gingival Erythema
C. Measles (Rubeola)
D. Rubella (German Measles)

Answer 9

A - HIV Infection: retroviral immunodeficiency syndrome

Question 10

A patient shows a distinct red band along the gingival margin unresponsive to scaling.
Which of the following diagnoses best fits this presentation?
A. Amyloidosis (Primary/Myeloma-Associated)
B. Linear Gingival Erythema
C. Amyloidosis (Secondary)
D. Amyloidosis (Hemodialysis-Associated)

Answer 10

B - Linear Gingival Erythema: distinct red band along gingival margin

Question 11

A child has fever, cough, conjunctivitis, and Koplik spots followed by maculopapular rash.
Which of the following diagnoses best fits this presentation?
A. Amyloidosis (Primary/Myeloma-Associated)
B. Amyloidosis (Secondary)
C. Measles (Rubeola)
D. Amyloidosis (Hemodialysis-Associated)

Answer 11

C - Measles (Rubeola): paramyxovirus rash with Koplik spots

Question 12

A pregnant woman develops lymphadenopathy and a mild rash; serology confirms togavirus infection.
Which of the following diagnoses best fits this presentation?
A. Amyloidosis (Primary/Myeloma-Associated)
B. Amyloidosis (Secondary)
C. Amyloidosis (Hemodialysis-Associated)
D. Rubella (German Measles)

Answer 12

D - Rubella (German Measles): togavirus rash with lymphadenopathy