APPLIED RADIOLOGICAL ANATOMY

ANATOMY

LYMPHATIC SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is the body’s third and final line of defense
A
mouth and stomach
B
immune response
C
inflammatory response
D
None of the above
Explanation: 

Detailed explanation-1: -The natural killer cells are the third major part of the innate immune system. They specialize in identifying cells that are infected by a virus or that have become tumorous.

Detailed explanation-2: -The final line of defense is specific resistance, which is a component of acquired immunity. Specific resistance relies on antigens, or specific substances that are found in foreign microbes. Most antigens are proteins; they act as a stimulus to produce an immune response.

Detailed explanation-3: -The first line of defence is made up of barriers to prevent infection. The second line of defence is made up of responses to infection that apply generally to all pathogens. The third line of defence provides immunity against specific pathogens.

Detailed explanation-4: -Humans have three types of immunity-innate, adaptive, and passive: Innate immunity: Everyone is born with innate (or natural) immunity, a type of general protection.

There is 1 question to complete.