A Certain Drug Decreases Heart Rate by Blocking a Receptor

question 12

Multiple Choice

A certain drug decreases heart rate by blocking a receptor on cardiac pacemaker cells. This drug probably binds to_____ receptors.

• A) muscarinic cholinergic
• B) alpha- 2 adrenergic
• C) beta- 1 adrenergic
• D) nicotinic cholinergic
• E) alpha- 1 adrenergic

Understand the risks and effects of combining drugs such as GHB with other substances.

Recognize the sources and methods of manufacture of various illicit drugs like ketamine.

Grasp the diversity and scale of the phenethylamine and MDMA analog families.

Comprehend the concept of drug analogs and how alterations to the molecular structure impact drug potency and receptor site binding.

---

Definitions:

Voluntarily Pay

Refers to making a payment or contribution freely without coercion, typically in contexts where payments are not legally mandated.

Marginal Cost

The incremental cost of producing an extra unit of a good or service.

Rivalry

(1) The characteristic of a private good, the consumption of which by one party excludes other parties from obtaining the benefit; (2) the attempt by one firm to gain strategic advantage over another firm to enhance market share or profit.

Excludability

The characteristic of a private good, for which the seller can keep nonbuyers from obtaining the good.