"Every Time I Take It, It Tells Me Something Different!

question 249

True/False

"Every time I take it, it tells me something different!" complains Hendrik's friend, turning away from the online personality quiz she just completed. She is complaining about the test's validity.

---

Definitions:

Muscular System

The bodily system comprising all the muscles of the body, responsible for movement.

Ca2+

The chemical symbol for calcium ions, which play critical roles in cellular signaling, muscle contraction, and neurotransmitter release among other physiological functions.

Smooth Muscle Cell

A type of involuntary, non-striated muscle found in the walls of internal organs such as the stomach, intestines, and blood vessels, controlling their movements.

Depolarize

To decrease the electrical potential across the cellular membrane as a prelude to generating an action potential.