(A) Skin and the mucosal membranes
(B) Skin, body temperature and mucosal membranes.
(C) Skin, inflammation and the mucosal membranes.
(D) The bones and the mucosal membranes.
Tag: Basic Microbiology Mcqs Questions
Temperature rising chemicals are?
(A) Thermogens
(B) Pyrogens
(C) Pyogenic
(D) All of these
Kupffer cells are macrophages found in__.
(A) Lung
(B) Bone
(C) Kidney
(D) Liver
Stomach clears out pathogens by?
(A) Secreting HCl
(B) Normal microflora
(C) Phagocytosis
(D) All of these
Which of the following is a distinction between the innate and adaptive immune systems?
(A) Only one system to produce cytokines.
(B) Antigenic specificity in only one system.
(C) Only one system to recognize virally infected cells.
(D) Only one system to mediate cell cytotoxicity.
You enter a dusty room, feel an itch in your nose, and sneeze. This is an example of the operation of which of the following innate immune mechanism?
(A) The low pH of the environment.
(B) The physical barrier produced by hairs.
(C) Phagocytosis by macrophages.
(D) Mucus joint with movement of cilia of lining cells.
Innate immunity involves all EXCEPT?
(A) Anatomical barriers
(B) Phagocytosis
(C) Inflammatory mechanisms
(D) Antibody production
0.7% agarose gel provides good resolution for __ DNA, while 2% gel for __ DNA.
(A) Large, small
(B) small, large
(C) Both ‘A’ & ‘B’
(D) None of these