Researchers Have Found That Every Addictive Drug Causes ________ Levels

question 104

Multiple Choice

Researchers have found that every addictive drug causes ________ levels in the brain to increase.

• A) serotonin
• B) dopamine
• C) norepinephrine
• D) acetylcholine

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Definitions:

Myofilaments

The filamentous components of muscles, comprising mainly of actin (thin filaments) and myosin (thick filaments), essential for muscle contraction.

Sarcoplasmic Reticulum

A specialized type of smooth endoplasmic reticulum found in muscle fibers, critical in regulating calcium ions and thus muscle contraction.

T-tubules

Tubular extensions of the cell membrane in muscle cells, transmitting electrical signals from the surface to the interior of the muscle fiber.

Femoris

Refers to muscles located in the thigh, typically pertaining to parts of the quadriceps, such as the quadratus femoris or biceps femoris.