Infectious Diseases — Flashcards

Flashcard 71: According to Ridley's logarithmic scale for bacterial index, _____ rating is 100-1000 bacilli, on average, in each oil-immersion field

Answer: 5+

Flashcard 72: Which spinal curve is lost in spinal tuberculosis?_____

Answer: Lumbar lordosis

Flashcard 73: Type 2 lepra rx is a type _____ hypersensitivity reaction

Answer: III

Flashcard 74: _____ TB is a variant of miliary TB characterised by absence of granulomas

Answer: Anergic

Flashcard 75: In certain infections like _____ bacteria the cellular infiltrate is dominated by continuously recruited neutrophils for several days

Answer: Pseudomonas

Flashcard 76: The percentage of glycosylated ferritin is _____ in severe COVID-19 illness

Answer: decreased

Flashcard 77: What happens to Adenosine deaminase (ADA) levels in tubercular pleural effusion?

Answer: Elevated (typically >40 U/L)

Extra: Adenosine deaminase (ADA) is an enzyme involved in purine metabolism. It is produced by T-lymphocytes during an active immune response. In tubercular pleural effusion, ADA levels >40 U/L have high sensitivity and specificity.

Flashcard 78: PAS-positive macrophages containing bacilli is diagnostic of _____ disease,

Answer: Whipple's