7th Grade Cell Membrane Quizzes, Questions & Answers

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Membrane potential is the difference in electric potential between the interior and the exterior of a biological cell. The membrane allows entry and exit of substances in a cell. The test below is designed to test your...

Questions: 36 | Attempts: 150 | Last updated: Oct 2, 2025

Sample Question 1
Membrane potential exist when the membrane is depolarized.

True

False

Sample Question 2
Anything that inflames the CNS wil cause

Pain.

The blood-brain to become more permeable.

Motor trmors.

Abnormal respirations.

Sample Question 3
At which vertebral level does the spinal cord end?

First lumbar

First sacral

Twelfth thoracic

Coccyx