Microbiology Mcqs

A person working in an abattoir presented with a papule on hand, which turned in to an ulcer. Which will best help in diagnosis______________?

• (A)  Trichrome Methylene blue
• (B)  Carbol Fuschin
• (C)  Acid Fast Stain
• (D)  Calcoflour White

Answer

Submitted By :Ali Uppal

Which is type II hypersensitivity ?

• (A)  Anaphylaxis
• (B)  Delayed hypersensitivity
• (C)  Immune complex mediated
• (D)  Cytotoxic / cytolytic type

Answer

Submitted By :Ali Uppal

When horse serum is injected intravenoulsy in to a rabbit and again in to the skin two or three weeks later, what is the necrotizing reaction that occurs as the site of the second injection________________?

• (A)  Atopy
• (B)  Anaphylaxis
• (C)  Arthus phenomenon
• (D)  Serum sickness

Answer

Submitted By :Ali Uppal

Negative phase is seen in ________ immunity?

• (A)  Active
• (B)  Passive
• (C)  Herd
• (D)  Local

Answer

Submitted By :Ali Uppal

The cell wall deficient bacteria_______________?

• (A)  Rickettsiae
• (B)  Mycoplasma
• (C)  Chlamydiae
• (D)  Ehrlichiae

Answer

Submitted By :Ali Uppal

Antibiotic sensitivity and resistance of micro organisms is determined by________________?

• (A)  Direct microscopy
• (B)  Culture
• (C)  ELISA
• (D)  DNA probe

Answer

Submitted By :Ali Uppal

The killer cells are associated with immunologic response___________________?

• (A)  Type I
• (B)  Type II
• (C)  Type III
• (D)  Type IV

Answer

Submitted By :Ali Uppal

Rh incompatibility is which type of hyper sensitivity reaction ?

• (A)  Type I
• (B)  Type II
• (C)  Type III
• (D)  Type IV

Answer

Submitted By :Ali Uppal

Same or closely related antigens present in different biological species are known as________________?

• (A)  Suquestrated antigens
• (B)  Isoantigens
• (C)  Haptens
• (D)  Heterophile antigens

Answer

Submitted By :Ali Uppal

T cells multiplication is stimulated by_______________?

• (A)  Macrolin
• (B)  Heat
• (C)  Bovine serum
• (D)  Phytohaemagglutinin

Answer

Submitted By :Ali Uppal