GENERAL HISTOLOGY

LYMPHATIC

LYMPHATIC SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is a nonspecific defense protein that inhibits bacterial growth by limiting iron?
A
interferons
B
transferrin
C
phagocytes
D
natural killer cells
Explanation: 

Detailed explanation-1: -It is the immunity you are born with that provides generalized protection against pathogenic invaders and works continuously. The first defense is skin, which provides a physical barrier. Other types of non-specific immunity are chemical deterrents, like stomach acid, and cells, like leukocytes.

Detailed explanation-2: -INNATE IMMUNITY. Innate, or nonspecific, immunity is the defense system with which you were born. It protects you against all antigens. Innate immunity involves barriers that keep harmful materials from entering your body. These barriers form the first line of defense in the immune response.

Detailed explanation-3: -Interferons produced in response to one virus will protect against many other types of viruses, and for this reason, interferon is considered a nonspecific form of defense.

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