When Otto Loewi Collected the Fluid from Synapses That Were

question 139

Multiple Choice

When Otto Loewi collected the fluid from synapses that were involved in slowing a frog's heart, then injected it near the heart of a second frog, he demonstrated that

• A) neurotransmitters which are inhibitory can also be excitatory.
• B) at least some neurons communicate by releasing chemicals.
• C) neurons do NOT communicate by releasing chemicals.
• D) communication between a neuron and a muscle is very different than that between two neurons.

---

Definitions:

Exclusive Right

A legal provision granting someone the sole authority to sell, produce, or use a particular product or service.

Product Name

The title given to a merchandise or service to distinguish it from other offerings.

Trademark

A distinguishable symbol, pattern, or phrase that differentiates the goods or services of a specific origin from those of other sources.

Oligopolists

Firms or individuals that dominate a particular market, leading to a market structure known as oligopoly, where a few entities control the majority of market share.