19. Innate Immunity

Which of the following answers is an inflammatory mediator that stimulates vasodilation allowing immune cells to enter the site of infection?

Which of the following scenarios would not result in an episode of acute inflammation?

A scientist is analyzing the cells from a granuloma tissue sample. Which type of immune cell is the scientist least likely to find in this sample?

The disease tuberculosis (TB) is a serious bacterial infection characterized by granulomas typically found in the lungs. What characteristics would a TB granuloma have?

Define inflammation, and list its characteristics.

Which of the following would be the most likely immediate consequence of an aseptic tissue injury?

a. Monocytosis

b. Complement activation

c. Eosinophilia

d. Fever

e. Inflammation

Which would be expected to contribute to chronic inflammation? Select all that apply.

a. A reduced innate defense

b. Fever

c. Persistent tissue injury

d. Glucocorticosteroids

e. Antihistamines

Farmer’s lung is a hypersensitivity pneumonitis resulting from __________.

a. a type I hypersensitivity reaction to grass pollen

b. a type II hypersensitivity to red cells in the lung

c. a type III hypersensitivity to mold spores

d. a type IV hypersensitivity to bacterial antigens