Results from Randomized Trials Indicate That Supplemental _____ at High

question 12

Multiple Choice

Results from randomized trials indicate that supplemental _____ at high doses increases lung cancer risk among current smokers.

• A) riboflavin
• B) beta-carotene
• C) folate
• D) echinacea

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Definitions:

Hypothalamus

A region of the brain that coordinates many functions, including hormone release, temperature regulation, and appetite control.

Systemic Bloodstream

The part of the circulatory system that carries oxygenated blood from the heart to the body and returns deoxygenated blood back to the heart.

Anterior Pituitary

The front portion of the pituitary gland, responsible for secreting hormones that regulate several physiological processes including growth and reproduction.

Posterior Pituitary

A part of the brain's pituitary gland that releases important hormones like vasopressin (antidiuretic hormone) and oxytocin into the bloodstream.