NANP Board Practice Exam

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Prepare for the NANP Board Exam. Study with detailed questions and explanations on key topics. Enhance your understanding and boost your confidence for the exam.

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What is used to synthesize steroid hormones?

Carbohydrates
Cholesterol
Phospholipids
Proteins

The correct answer is: Cholesterol

Cholesterol is the precursor molecule that is essential for the synthesis of steroid hormones. These hormones, which include cortisol, testosterone, and estrogen, are derived from cholesterol through a series of biochemical reactions. This process occurs primarily in the adrenal glands and gonads (ovaries and testes). Cholesterol's unique structure features multiple rings, making it suitable for the transformation into various steroid hormones, which then play critical roles in numerous physiological functions including metabolism, immune response, and reproductive health. In contrast, carbohydrates primarily provide energy and are not involved in hormone synthesis. Phospholipids, while important for cell membrane structure, do not have a role in creating steroid hormones. Proteins, on the other hand, are primarily involved in building bodily structures and performing functions as enzymes or signaling molecules, but they do not serve as precursors for steroid hormone synthesis.