Free Practice Questions for NAHP NRCMA Exam

When focusing the microscope, one should begin with the10Xobjective. This low-power objective lens provides a broad field of view and makes it easier to locate and center the specimen before switching to higher magnification objectives like 40X or 100X.

The act of giving birth is called parturition. Parturition involves the process of labor and delivery, where the fetus and placenta are expelled from the uterus. It includes several stages: dilation of the cervix, delivery of the baby, and delivery of the placenta.

References:

Williams Obstetrics by F. Gary Cunningham

Obstetrics: Normal and Problem Pregnancies by Steven G. Gabbe, Jennifer R. Niebyl, and Joe Leigh Simpson

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.

Atriomegalyis a medical term that describes the enlargement of the atrium of the heart. The atria are the two upper chambers of the heart, and enlargement can be due to various conditions such as hypertension, valvular heart disease, or cardiomyopathy. This enlargement can affect the heart's ability to pump blood efficiently.

Hemophilia is a genetic disorder that impairs the body's ability to make blood clots, a process needed to stop bleeding. This disorder is caused by the deficiency of specific clotting factors, such as factor VIII (hemophilia A) or factor IX (hemophilia B). People with hemophilia may bleed for a longer time after an injury, and they may experience spontaneous internal bleeding, especially in the joints and muscles. Hemophilia is typically inherited in an X-linked recessive pattern, affecting mostly males.Treatment involves replacing the missing clotting factors.

Workers' compensation insurance provides medical care and financial benefits for employees who suffer job-related accidents or illnesses. This type of insurance is designed to cover medical expenses, rehabilitation costs, and lost wages resulting from work-related injuries or conditions, ensuring that employees receive the necessary care and support during their recovery.

References:

Workers' Compensation Law by Lex K. Larson

National Council on Compensation Insurance (NCCI) Guidelines

When a venipuncture is performed using a lavender top vacutainer tube, the sample is commonly used for hematology testing, such as complete blood counts (CBC). The lavender top tube contains an anticoagulant called EDTA (ethylenediaminetetraacetic acid), which prevents the blood from clotting. This allows for the preservation of the cellular components of the blood for accurate hematological analysis.

References:

Clinical Laboratory Science: The Basics and Routine Techniques by Jean Jorgenson Linné

Phlebotomy Essentials by Ruth E. McCall and Cathee M. Tankersley

Vitamin Kis necessary for the proper clotting of the blood. It is essential for the synthesis of proteins required for blood coagulation and for binding calcium in bones and other tissues. Deficiency in vitamin K can lead to increased bleeding and bruising.Reference:Nationally Registered Certified Medical Assistant study materials, nutrition and biochemistry references.

Medicarepays80 percentof the approved amount for covered services after the beneficiary meets the deductible. The remaining 20 percent is typically paid by the patient or a secondary insurance if the patient has one. This cost-sharing helps manage the expenses between Medicare and the patient.Reference:Nationally Registered Certified Medical Assistant study materials, Medicare guidelines.

Hyperglycemia refers to elevated levels of glucose in the blood, commonly associated with diabetes mellitus. It occurs when the body does not produce enough insulin or cannot effectively use the insulin it produces. Symptoms of hyperglycemia include increased thirst, frequent urination, fatigue, and blurred vision. Chronic hyperglycemia can lead to serious complications such as cardiovascular disease, nerve damage, kidney failure, and retinopathy. Management of blood glucose levels is crucial for individuals with diabetes to prevent these complications.