Exam 11: Innate Immunity

Which cell type has a nucleus that appears to have two lobes connected by a thin band, has granules that contain diverse enzymes and antimicrobial toxins, and has mediators that are expelled in response to certain allergens and parasites?

Which of the following is not a cardinal sign of inflammation?

Which of the following is an outcome of complement activation?

Which of the following is an example of a chemical barrier?

Which cell type is the largest agranular white blood cell, mature as they leave the circulatory system, and increase cell levels due to chronic infections and inflammation, autoimmune disorders, and certain cancers?

Explain the hygiene hypothesis and describe one example that supports it.

What role do erythrocytes play in our blood?

Complement activation has three different outcomes but which outcome occurs depends on which complement pathway is activated.

Which of the following key chemical mediators in inflammation is not matched to its function?

Which cell type is the most numerous white blood cell in circulation, is the first leukocyte recruited from the bloodstream to injured tissues, and releases potent antimicrobial peptides?

From the image below, identify which of the following numbers are indicating primary lymphoid tissues?

Which of the following does not describe adaptive immunity?

Which of the following images represents a mast cell that produces granules that act as the initial chemical alarm that recruits neutrophils and other leukocytes to the scene and simultaneously promotes early phases of inflammation?

What is edema?

Secondary lymphoid tissues

What are the two categories of second- line defenses?

Eosinophil granules contain diverse enzymes and antimicrobial toxins that are released into surrounding tissues in response to certain allergens and parasites.

Explain the collection and flow of lymph.

Dendritic cells prevent the immune system from attacking self and from over- reacting to nonthreatening substances.

Chronic inflammation