T cell interacts with APCs in .................... in .....................

• Follicle, Spleen

• PALS, Spleen

• PALS, Lymph node

• Follicle, Lymph node

Peyer's patches are found in

• Bone marrow

• Thymus

• SALT

• MALT

The cells derived from lymphoid as well as myeloid lineage of HSC are

• DC

• APC

• LC

• Macrophages

The cells which provide signals to B cells for complete activation

• T regulatory

• T cytotoxic

• T helper

• All of the above

Hassall's corpuscles are located in

• Thymus

• Spleen

• Lymph Node

• Bone Marrow

Which of the following cells would NOT be found in a germinal center in a lymph node?

• dendritic cells

• B lymphocytes

• plasma cells

• monocytes

Lymph nodes and spleen have germinal centers in which B cells respond to antigen and produce antibodies. A function unique to the spleen w.r.t. other peripheral lymphoid organs is

• filtration of blood-borne pathogens.

• production of dendritic cells.

• production of red blood cells.

• antigen presentation

A 5-year-old child falls and scratches herself and within a few days has an enlarged lymph node in the area draining the abrasion. The cells in the lymph node are reacting to the foreign stimulus that entered the skin and that was transported to the lymph node by which of the following?

• immunoglobulin

• T cells

• Dendritic cells

• TLRs

Upon inhalation, a small dust particle reaches the alveolus. Which of the following innate immune mechanism gets activated?

• the released granular contents of your granulocytes.

• the physical barrier produced by hairs.

• phagocytosis by macrophages.

• mucus combined with the movement of cilia of the lining cells.

Which of the following is a distinction between the innate and adaptive immune systems?

• the ability of the cells of only one system to produce cytokines.

• the capacity for exquisite antigenic specificity in only one system

• the capacity of only one system to recognize virally infected cells.

• the ability of cells of only one system to mediate cell cytotoxicity