Acellular Vaccines and Subunit Vaccines _______

question 61

Multiple Choice

Acellular vaccines and subunit vaccines _______.

• A) contain modified bacterial exotoxin molecules
• B) contain select antigenic components of a pathogen rather than whole cells or viruses
• C) utilize DNA strands that will produce the antigen
• D) confer passive immunity
• E) are always genetically engineered

---

Definitions:

Directionality Problem

An issue that arises when it is unclear whether one variable causes changes in another or vice versa, complicating the interpretation of study results.

Random Sampling

Random sampling is a technique used in research to select a sample group from a larger population using random methods, ensuring that every individual has an equal chance of being chosen.

Causality

The relationship between cause and effect, where one event (the cause) initiates the occurrence of another event (the effect).

Case Study

A case study is an in-depth analysis of an individual, group, or event, extensively researched over a period with the aim of uncovering unique patterns or insights.