Acellular Vaccines and Subunit Vaccines

question 58

Multiple Choice

Acellular vaccines and subunit vaccines

• A)contain modified bacterial exotoxin molecules.
• B)are always genetically engineered.
• C)contain select antigenic components of a pathogen rather than whole cells or viruses.
• D)confer passive immunity.
• E)All of these choices are correct.

Recognize the importance of reliability and validity in observational studies.

Understand the methodological issues related to observational studies such as reactivity and observer bias.

Comprehend the role of case studies in psychological research and their potential applications.

Grasp the significance of using existing data for research purposes and the various formats it can take.

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Definitions:

Myelin Sheath

A fatty layer that envelopes nerve fibers, facilitating the rapid transmission of electrical impulses.

Fat Cells

Also known as adipocytes, these cells store energy in the form of fat and play key roles in metabolism, hormone regulation, and thermal insulation.

Small-For-Date

Refers to infants born with a birth weight lower than the normal range for their gestational age, possibly indicating prenatal issues.

Illusory Visual Cliff

A psychological experimental setup designed to test infants' and young animals' perception of depth and their ability to perceive visual illusions.