A Neuron Fires When

question 75

Multiple Choice

A neuron fires when:

• A)Na⁺ ions move against their concentration gradient spontaneously
• B)Na⁺ ions are actively pumped down their concentration gradient
• C)Na⁺ ions move down their concentration gradient spontaneously
• D)Na⁺ ions are actively pumped against their concentration gradient

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Definitions:

Adrenal Gland

A pair of endocrine glands located above the kidneys that produce a variety of hormones including adrenaline and cortisol.

Reticular Fibers

Fine, threadlike fibers made of collagen type III, supporting the soft tissue of organs.

Customer Experience

The overall perception and satisfaction of a customer based on interactions with a company’s products, services, and brand throughout the customer lifecycle.

Home Delivery

A service in which products, especially food or retail goods, are transported from a store or facility directly to a customer's residence.