Use This Information to Respond to the Following Questions

question 60

Multiple Choice

Use this information to respond to the following questions.
Humans have receptors for two kinds of beta adrenergic compounds such as catecholamines to control cardiac muscle contractions. Some are beta 1 receptors that promote increased heart rate. Other drugs, called beta blockers, slow heart rate. Smooth muscle cells, however, have beta 2 receptors, which mediate muscle relaxation. Blockers of these effects are sometimes used to treat asthma.
-Beta 2 antagonist drugs might also be used most effectively for which of the following?

• A) cardiac arrhythmias
• B) increased gastric acid production
• C) neuropathy of the extremities
• D) increasing low blood pressure
• E) decreasing peristalsis

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Definitions:

Consideration

Something of value exchanged between parties in a contract, which is required for the agreement to be legally binding.

Estopped

Barred, impeded, or precluded.

Promissory Estoppel

A legal principle that prevents a party from withdrawing a promise when the other party has relied upon it to their detriment.

Preexisting Duty

An obligation or duty that already exists under contract law and does not constitute valid consideration for a new agreement.