When Mast Cells Degranulate and Release Histamine, Which of the Following

question 7

Multiple Choice

When mast cells degranulate and release histamine, which of the following events may occur?

• A) increased mucus production
• B) constriction of small blood vessels
• C) bronchial spasms
• D) both constriction of small blood vessels and bronchial spasms
• E) both bronchial spasms and increased mucus production

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Definitions:

Control Group

The participants in an experiment who are as much like the experimental group as possible and who are treated in every way like the experimental group except for a manipulated factor, the independent variable.

Demand Characteristics

Features of an experimental study that inform participants of the purpose of the study or the behavior expected of them.

Research Cues

Essential elements or signals in a research setting that can influence participants' behavior or responses, often controlled or manipulated by researchers.

Participant Effects

The influence that the presence of participants in research may have on the results, due to their behaviors, attitudes, or responses being affected by knowing they are being studied.