Free Practice Questions for NAHP NRCMA Exam

The word partmegalo-is a prefix that meanslargeorenlarged. It is often used in medical terminology to describe abnormal enlargement of an organ or part, as inmegalocardia(enlargement of the heart) orhepatomegaly(enlargement of the liver).

Good sources ofvitamin Carecitrus fruitssuch as oranges, lemons, grapefruits, and limes. Vitamin C is also found in other fruits and vegetables like strawberries, bell peppers, and broccoli. It is essential for the growth, development, and repair of all body tissues and plays a role in many bodily functions, including the formation of collagen, absorption of iron, and the maintenance of cartilage, bones, and teeth.Reference:Nationally Registered Certified Medical Assistant study materials, nutritional guidelines.

Gram stainingis a laboratory technique used to classify bacteria based on the characteristics of their cell walls. This method differentiates bacteria intogram-positive(which retain the crystal violet stain and appear purple) andgram-negative(which do not retain the violet stain and appear red after counterstaining). This classification helps in guiding the appropriate antibiotic treatment and understanding the bacterial structure. It does not determine the species of the organism directly, nor is it used to diagnose cervical cancer.

Capillaries are the smallest blood vessels in the human body, typically measuring between 5 to 10 micrometers in diameter. They form a network between the arterioles and venules and are the site of the exchange of oxygen, nutrients, and waste products between the blood and tissues. This extensive network ensures that every cell in the body is in close proximity to a capillary, facilitating efficient physiological exchange processes.

References:

Gray's Anatomy

Clinical Hematology and Fundamentals of Hemostasis

Thebrainstemis the subdivision of the brain that consists of the medulla, pons, and midbrain. It is located between the spinal cord and the cerebrum and plays a crucial role in regulating vital life functions such as heart rate, breathing, and sleep cycles. The brainstem acts as a conduit for all the information passing between the brain and the rest of the body.

A Z-tract injection is an intramuscular injection technique used to prevent medication from leaking back into the subcutaneous tissue and to minimize irritation. This technique involves displacing the skin and subcutaneous tissue before injecting the medication into the muscle, and then releasing the skin to lock the medication in place. It is commonly administered in the gluteal muscle of the buttocks.

References:

Clinical Procedures for Medical Assistants by Kathy Bonewit-West

Injection Techniques in Musculoskeletal Medicine by Stephanie Saunders and Steve Longworth

Neoplasm refers to a new growth of tissue, which can be benign or malignant. It is an abnormal proliferation of cells, and when malignant, it is commonly referred to as cancer. The term encompasses a wide range of growths and tumors, varying in behavior, treatment, and prognosis.

References:

Robbins and Cotran Pathologic Basis of Disease

Cancer Biology by Raymond W. Ruddon

The most common positions for chest x-rays arePA (posteroanterior) and lateral. These positions provide a comprehensive view of the chest, including the lungs, heart, and bones, and help in diagnosing conditions such as pneumonia, heart failure, and fractures.

The prefixosteo-meansbone. This prefix is used in medical terminology to refer to conditions and structures related to bones, such as osteoarthritis (a type of arthritis that affects bones and joints) and osteoporosis (a condition where bones become weak and brittle).

References:

Mosby's Medical Dictionary (10th ed.). (2017). Elsevier.

Stedman's Medical Dictionary (28th ed.). (2006). Lippincott Williams & Wilkins.