PATHOLOGY

PATHOLOGY MCQ

IMMUNE RESPONSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Engulfing-phagocytic cells of innate immunity include all of the following except
A
neutrophils.
B
macrophages.
C
dendritic cells
D
natural killer cells.
Explanation: 

Detailed explanation-1: -A macrophage is a large phagocytic cell that engulfs foreign particles and pathogens. Macrophages recognize PAMPs via complementary pattern recognition receptors (PRRs). PRRs are molecules on macrophages and dendritic cells which are in contact with the external environment.

Detailed explanation-2: -NK cells, however, are generally considered to be components of innate immune defense because they lack antigen-specific cell surface receptors.

Detailed explanation-3: -Answer and Explanation: While lymphocytes is technically the correct answer here, it does not answer the question to the extent that it should. All of the other forms are a part of innate, or general, always-active immunity.

Detailed explanation-4: -Complete step by step answer: Basophils are not phagocytic cells.

There is 1 question to complete.