Following Denervation of a Muscle, Uniform Recordings from a Microelectrode

question 40

Multiple Choice

Following denervation of a muscle, uniform recordings from a microelectrode along the entire muscle fiber means that

• A) ACh receptors were both up-regulated and redistributed themselves along the muscle.
• B) ACh receptors increased their affinity for acetylcholine at the end-plate.
• C) the end-plate grew, thereby increasing the surface area, which could accommodate more ACh receptors.
• D) end-plates became more numerous, covering a greater surface area of the muscle.
• E) ACh was released from the presynaptic neuron in higher quantal yield.

---

Definitions:

Implied Warranty

A legal assumption that a product will perform as expected according to the sale terms without being explicitly stated.

Agency Relationship

A fiduciary connection between two parties, where one (the agent) is authorized to act on behalf of the other (the principal) in dealings with third parties.

Occasion Photography

The professional service of capturing photos for specific events or occasions, such as weddings, birthdays, or corporate events.

Contract

A promise or set of promises for the breach of which the law gives a remedy or the performance of which the law in some way recognizes a duty.