Nationally Registered Certified Medical Assistant (NRCMA) (NAHP) Practice Exam

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Study for the Nationally Registered Certified Medical Assistant Exam. Prepare with interactive quizzes and multiple-choice questions that come with helpful hints and explanations. Get ready to earn your certification with confidence!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

What substance, provided by the stomach, is necessary for the digestion of food?

Gastric juice
Hydrochloric acid
Bile
Enzyme pepsin

The correct answer is: Hydrochloric acid

Hydrochloric acid is necessary for the digestion of food because it is a strong acid that helps break down food particles, making it easier for enzymes to further break it down. Gastric juice, bile, and enzyme pepsin are also important for digestion but they do not play the same critical role as hydrochloric acid. Gastric juice contains enzymes to help break down proteins, bile helps with the breakdown of fats, and enzyme pepsin aids in protein digestion. However, without hydrochloric acid, these processes would not be as effective. Without enough hydrochloric acid, a person may experience problems with digestion and nutrient absorption. Therefore, while all of the other options are crucial for digestion, hydrochloric acid is the most necessary for the process.