The Complement System Serves to

question 4

Multiple Choice

The complement system serves to

• A)increase blood flow to the area of infection and can also effectively wall off the infection through the production of barrier substances.
• B)attract and enhance the activities of phagocytes.
• C)provide substances secreted by one type of cell that have substantial effects on the antiinfective activities of other cells.
• D)All of the above are correct.

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Definitions:

Respiratory Syncytial Virus (RSV)

A common respiratory virus that causes infections of the lungs and respiratory tract, especially serious in infants and the elderly.

Premature Infant

An infant born before completing the usual 37 weeks of gestation, often requiring special medical care due to underdeveloped organs.

Exposure

The state of being subjected to something, such as a cold environment, disease agents, or stressful situations, which can affect health.

Hemoglobin

A protein in red blood cells responsible for carrying oxygen from the lungs to the rest of the body.