A Research Scientist Develops an Agent That Specifically Blocks the Interaction

question 53

Multiple Choice

A research scientist develops an agent that specifically blocks the interaction of inositol triphosphate with its intracellular receptor.  A study is then performed in which vascular smooth muscle cells are divided into 2 groups: an experimental group treated with the receptor blocker and an untreated control group.  Both groups are exposed to phenylephrine.  Compared to the control cells, decreased activity of which of the following enzymes is most likely to be observed in the experimental cells?

• A)Adenylate cyclase
• B)Lipoxygenase
• C)Phosphodiesterase
• D)Phospholipase C
• E)Protein kinase C

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Definitions:

Human-Subjects Research

Research involving interactions with people or access to their identifiable private information, requiring ethical considerations.

Content Analysis

A research technique for systematically analyzing the content of communication materials to identify patterns or themes.

Content Analysis

A research technique for systematically analyzing communication content by coding and counting frequencies of certain words, themes, or concepts.

Qualitative

A research approach based on the use of language rather than numbers to understand and report human behavior.