NAHP Updated NRCMA Exam Questions and Answers by jayce

Hydrochloric acid (HCl)is a substance produced by the stomach lining. It plays a crucial role in digestion by creating an acidic environment, which helps in the breakdown of food, activates digestive enzymes like pepsin, and kills harmful bacteria ingested with food. The other options are:

Glycogen: A stored form of glucose found in the liver and muscles, not directly involved in digestion.

Insulin: A hormone produced by the pancreas that regulates blood glucose levels, not involved in digestion in the stomach.

Glucose: A simple sugar that is an end product of carbohydrate digestion, not a substance produced by the stomach.

Another name for myocardial infarction is heart attack. A myocardial infarction occurs when blood flow to a part of the heart is blocked for a long enough time that part of the heart muscle is damaged or dies. It is typically caused by the blockage of a coronary artery due to plaque buildup.

The pH of a urine sample is checked to determine its acidity or alkalinity. The pH scale ranges from 0 to 14, with 7 being neutral. A pH below 7 indicates acidity, while a pH above 7 indicates alkalinity. Urine pH can provide information about a person's diet, medications, and metabolic conditions.

References:

Clinical Chemistry: Principles, Techniques, and Correlations by Michael L. Bishop

Urinalysis and Body Fluids by Susan King Strasinger

The abbreviation for every two hours is Q.2h. This medical abbreviation is derived from Latin "quaque 2 hora," meaning "every two hours." It is commonly used in medical prescriptions and instructions to indicate the frequency of medication administration or other recurring treatments.

References:

Mosby's Medical Dictionary, 10th Edition