Compare and Contrast the Terminology Used to Describe Muscle Fibers

question 10

Multiple Choice

Compare and contrast the terminology used to describe muscle fibers with other terms used to describe other cell types. Which of the following statements is NOT accurate?

• A) In muscle cells, the cell membrane is known as the sarcolemma, whereas in most cells it is known as the plasmalemma.
• B) In both muscles and neurons, the term "motor end plate" describes the post-synaptic side of the synapse.
• C) In muscle cells, a depolarization in response to a stimulus is known as an "end plate potential" whereas in neurons it is known as an "excitatory post-synaptic potential".
• D) Muscle fibers (muscle cells) often contain many nuclei, whereas most cells only contain a single nucleus.

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Definitions:

Cementum

A specialized bone-like substance covering the root of a tooth, anchoring it to the jawbone via the periodontal ligament.

Accessory Organ

An organ that supports the function of major organs and systems, such as the pancreas in digestion.

Muscularis Externa

The layer of muscle in the gastrointestinal tract wall that is responsible for gut movement through peristalsis.

Serosa

A smooth membrane consisting of a thin layer of cells that secrete serous fluid, lining the outer surface of internal organs and body cavities.