Which of the Following Statements About the Refractory Period of Neuronal

question 46

Multiple Choice

Which of the following statements about the refractory period of neuronal or muscle membranes is TRUE?

• A) In nerve cells, the absolute refractory period coincides with the period of increased K⁺ permeability.
• B) In skeletal muscle cells, the absolute refractory period lasts about as long as the twitch.
• C) In ventricular cells, the absolute refractory period coincides with the period of increased Na⁺ and Ca²⁺ permeability.
• D) The relative refractory period in neuronal membranes lasts about the same length of time as the absolute refractory period in cardiac muscle cell membranes.
• E) The refractory period in an alpha-motor neuron membrane is much briefer than the refractory period in a skeletal muscle cell membrane.

---

Definitions:

Conformity

Adapting one's behaviors, beliefs, and attitudes to conform to the standards, policies, or expectations set by a group or the wider society.

Asch

Refers to Solomon Asch, a psychologist best known for his research on conformity, demonstrating that individuals would conform to the group consensus even when the group view was clearly incorrect.

Group Size

The number of members constituting a group, which can influence the group's dynamics and functioning.

Confederates

Individuals who are part of a study's design but pretend to be participants, aiding in creating specific conditions for the actual participants' reactions.