What Is a Vector Quantity

question 97

Multiple Choice

What is a vector quantity?

• A)only the direction of the quantity
• B)only the magnitude of the quantity
• C)the amount needed for the vector to move
• D)both direction and magnitude

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Definitions:

Babinski Reflex

A reflex action in infants, where the big toe moves upward or toward the top surface of the foot, and the other toes fan out in response to the stroking of the sole.

Startle Reflex

An involuntary reaction to a sudden unexpected stimulus, such as a loud noise or sudden movement, demonstrating the body's automatic response.

Neuron

A neuron is a specialized cell transmitting nerve impulses; a nerve cell.

Myelin

Protective insulation that surrounds parts of neurons, increasing the speed of transmission of electrical impulses along brain cells.