Which of the Following Selectively Activates Beta-2 Receptors at Low

question 97

Multiple Choice

Which of the following selectively activates beta-2 receptors at low doses, making it possible to dilate bronchioles in the treatment of asthma?

• A)salbuterol
• B)atropine
• C)metoprolol
• D)neostigmine
• E)curare

---

Definitions:

RNAi

Short for RNA interference, a biological process in which RNA molecules inhibit gene expression, typically by causing the destruction of specific mRNA molecules.

Specific Alleles

Specific alleles refer to particular variants of a gene that can exist at a given locus on a chromosome, contributing to the diversity of traits within a population.

Genetic Disorders

Diseases or conditions caused by abnormalities in an individual's DNA, which can be inherited or result from mutations.

Transgenic Animals

Animals that have had foreign genes deliberately inserted into their genome.