Title and Description Wizard

The cysts are passed into the environment and contaminate water supplies, which are then ingested by humans (correct)

The adult parasites are passed into the environment and then ingested by humans

The cysts are ingested by animals and then passed into the environment

The adult parasites are ingested by humans and then passed into the environment

They do not cause anemia due to blood loss.

They invade the skin directly through mouthparts and enzymes, causing damage to the tissues and increased risk of secondary bacterial infection. (correct)

They do not require a free-living larval stage to complete their life cycle

They are found in the small intestine and bowel in cold dry climates.

There is variable protective immunity (correct)

There is no protective immunity

There is partial protective immunity

There is complete protective immunity

<p>They cause anemia due to blood loss.</p> Signup and view all the answers

<p>Children</p> Signup and view all the answers

<p>It is found in the large intestine and bowel in warm humid climates.</p> Signup and view all the answers