Which Statement About Ion Channels Is Not True

question 120

Multiple Choice

Which statement about ion channels is not true?

• A) They form pores in the membrane.
• B) They are proteins.
• C) All ions pass through the same type of channel.
• D) Movement through them is from regions of high concentration to regions of low concentration.
• E) Movement through them is by simple diffusion.

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Definitions:

Preschooler

A child who is in the age group typically between three to five years old, prior to commencing primary school.

Sleep needs

The necessary amount of sleep a person requires to function optimally, varying across age groups and individual needs.

NREM sleep

Non-Rapid Eye Movement sleep, which constitutes the majority of sleep time and is characterized by slower brain waves, reduced heart rate, and relaxed muscles.

Respirations

The act of breathing, which involves the inhalation and exhalation of air to facilitate gas exchange within the body.