PATHOLOGY

PATHOLOGY MCQ

IMMUNE RESPONSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
To replace burned skin, doctors can successfully transplant replacement skin taken from another part of the body of the burn victim. Which statement best explains why the transplanted skin is not rejected?
A
The transplanted skin is damaged, making the immune system nonfunctional.
B
The antigens of the replacement skin are the same as those of the damaged skin.
C
Burn victims lose so much blood that white blood cells cannot cause an immune response.
D
here is no blood supply to the skin, so mixing of antigens does not occur.
Explanation: 

Detailed explanation-1: -Which statement best explains why the transplanted skin is not rejected? the antigens of the replacement skin are the same as those of the damaged skin.

Detailed explanation-2: -Which statement best describes what will most likely happen when an individual receives a vaccination containing a weakened pathogen? The ability to fight disease caused by the pathogen will increase due to antibody production.

Detailed explanation-3: -The placenta connects the maternal and fetal circulatory systems. The placenta provides oxygen and nutrients from the mother to the growing fetus. Also, it removes metabolic wastes and carbon dioxide from the fetus via the blood vessels in the umbilical cord.

Detailed explanation-4: -Following influenza virus infection or receipt of a flu vaccine, the body’s immune system develops antibodies that recognize and bind to “antigenic sites, ‘’ which are regions found on an influenza virus’ surface proteins.

There is 1 question to complete.