CNA Practice Test
Infection controlQuestion 190 of 1700

How many links are in the chain of infection?

  1. Three
  2. Four
  3. Six
  4. Eight
Show answer

Correct answer: Six

The chain has six links.

Source: Nursing Assistant (Reuter), 4.2: Chain of Infection

Practice infection control

Questions last reviewed: 18 October 2026