Online Tutorial 1 Part 2

Question 1

A 9-year-old boy lost control and fell from his bicycle when he was cycling down the hill. His knee is wounded and infected with microbes that extend into the extracellular matrix around capillaries. In the inflammatory responses to infection, which of the following cells removes the bacteria?

Answer 1

Macrophage

Question 2

A man who is allergic to pollens visited Beijing during the spring season. During his visit, the flower pollens filled the air, and within minutes, he experiences abundant nasal secretions. Which of the following substances produced his condition?

Answer 2

Histamine

Question 3

A 13-year-old boy accidentally touches the hot exhaust pipe of the car when he was attempting to retrieve the ball that rolled underneath the car. Within half an hour, small blisters appear on his finger tips. This has led to which one of the following inflammatory responses?

Answer 3

Serous inflammation