Drug Y Is a Drug That Is Used to Increase

question 20

Multiple Choice

Drug Y is a drug that is used to increase the force of contraction achieved by heart muscle tissue.In the absence of the drug,epinephrine increases heart contractility through a signaling pathway that involves a receptor and cAMP.Which of the following are plausible mechanisms of action for Y?

• A)Acting as an agonist on the receptor for epinephrine,a hormone that increases heart contractility
• B)Increasing the expression of cAMP
• C)Inhibiting phosphodiesterase activity
• D)Increasing the availability of phosphodiesterase molecules
• E)Decreasing the activity of cAMP-dependent protein kinase

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Definitions:

Entry-Deterring Price

A strategy involving setting prices low enough to prevent new competitors from entering the market.

Payoff Matrix

A table that displays the potential outcomes and associated payoffs for each player in a game, given the different strategies each player can choose.

Simultaneously

Occurring at the same time as something else.

Sequential Version

Refers to a method or process that follows a specific order or sequence.