If you get a splinter or a cut, which of the following are attracted by the process of chemotaxis?
a) lymphocytes
b) neutrophils
c) leukocytes
d) monocytes
In the site of serious infection where lots of bacteria have reproduced in the area, pus will form which is simple dead…….. cells and other cellular debris.
a) lymphocytes
b) neutrophils
c) leukocytes
d) monocytes
NK cells are a type of …….
a) RBCs
b) WBCs
c) platelets
d) glandular cells
Natural killer (NK) cells are a type of …….and a component of innate immune system?
a) lymphocytes
b) monocytes
c) neutrophils
d) leukocytes
Which of the following cells play a major role in the hort-rejection of both tumors and virally infected cells?
a) natural killer cells
b) monocytes
c) neutrophils
d) leukocytes
Which of the following proteins are found in the cytoplasm of natural killer cells for cytotoxic action?
a) perforin
b) myosin
c) granzymes
d) both a and b
Explanation: perforin forms pores in the cell membrane of the target cell through granzymes induces apoptosis
