PATHOLOGY

PATHOLOGY MCQ

IMMUNE RESPONSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Examples of 2nd line of defense.
A
skin and stomach
B
T cells and B cells
C
increased blood flow, redness, swelling and higher temp.
D
fever and diarrhea
Explanation: 

Detailed explanation-1: -The second line of defense is nonspecific resistance that destroys invaders in a generalized way without targeting specific individuals: Phagocytic cells ingest and destroy all microbes that pass into body tissues. For example macrophages are cells derived from monocytes (a type of white blood cell).

Detailed explanation-2: -The body’s second line of defense against pathogens includes the inflammatory response. If bacteria enter the skin through a scrape, the area may become red, warm, and painful. These are signs of inflammation. Inflammation is one way the body reacts to infections or injuries.

Detailed explanation-3: -The second line of defence is a group of cells, tissues and organs that work together to protect the body. This is the immune system.

Detailed explanation-4: -These barriers keep most pathogens out of the body. If pathogens do manage to enter the body, the body’s second line of defense attacks them. The second line of defense includes inflammation, phagocytosis, and fever.

There is 1 question to complete.