Immune system

Question 1

Which are the Primary Lymphoid Organs?

Answer 1

Bone marrow and thymus.

Question 2

Which are the Secondary Lymphoid Organs?

Answer 2

Spleen and Lymph nodes.

Question 3

Antibodies and immunoglobines are produced by:

Answer 3

Cortex B.

Question 4

Characteristics of innate immunity:

Answer 4

Natural killers cells are activated when a stranger cell appears (in epithelial barriers).

Question 5

Characteristics of adaptative inmmunity:

Answer 5

Last 1-7 days, B lymphocytes produces antibodies and they make an immunology memory.

Question 6

Allergies are an example of hypersensitivity:

Answer 6

Type 1.

Question 7

It is a disease that represents Hypersensity type 2:

Answer 7

Graves disease.

Question 8

Hyperacute rejection of transplant.

Answer 8

Minutes after transplant, initiated by humoral immunity (mediated by immunoglobulines).

Question 9

Acute rejection of transplant.

Answer 9

One week to three months after transplant.
Highly vascularused tissue.

Question 10

Chronic rejection of transplant.

Answer 10

Months to year after transplantation, fibrosis of blood vessels (lead to loss function of the organ).

Question 11

How can an immunodefficiency can predispose to virally induced cancer?

Answer 11

The virus infects a cell and they start to grow.

Question 12

How does CAR Therapy works?

Answer 12

1. Blood cells are separated out.
2. In the lab, new T cells make special receptors.
3. CAR T cells are put back into the bloostream.
4. CAR T cells identify the cancer cells and kill them.