After Attachment to Host Cells,a Pathogen Uses All the Following

question 35

Multiple Choice

After attachment to host cells,a pathogen uses all the following mechanisms to establish itself and cause disease EXCEPT:

• A) Uses lactoferrin for iron
• B) Produces an IgA protease that degrades the IgA at mucosal surfaces
• C) Produces lysozyme to kill the host cell
• D) Circumvents host antibodies by shifting key cell-surface antigens

---

Definitions:

Content Validity

The degree to which a test or assessment measures all facets of the concept it intends to measure.

Internal Consistency

A measure of reliability; the degree to which different test items that propose to measure the same general construct produce similar results.

Odd-even Reliability

A measure of internal consistency reliability where a test is split into two parts (odd and even items) to assess the consistency of results across these halves.

Parallel Form Reliability

The consistency of test scores across different versions of a test designed to be equivalent in terms of content and difficulty level.