Dr Halen Did an Extensive Literature Search

question 96

Multiple Choice

Dr. Halen did an extensive literature search. As he worked his way through the literature he searched for research that disconfirmed his hypotheses. This is an example of:

• A) Peer review
• B) Negative case sampling
• C) Reflexivity
• D) Theoretical validity

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Definitions:

Connexin Proteins

A family of proteins that form gap junctions, allowing direct communication between cells through the exchange of ions and small molecules.

Hemichannel

A type of membrane channel that allows the exchange of ions and small molecules between the intracellular space and the extracellular environment.

Gap Junction

Area of contact between adjacent cells in which connexin proteins in each cell form connecting hemichannels, which, when open, allow ions to pass between the two cells; also called an electrical synapse.

Interneuronal Communication

The transfer of information between neurons within the nervous system, facilitating brain and body functions.