Pass the NAHP Certified Medical Assistant NRCMA Questions and answers with ExamsMirror

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.

If a patient calls the office stating they have received a blunt injury to the eye, it is essential to advise them tocome in as soon as possible to have the eye checked. Eye injuries can lead to serious complications, including vision loss, if not promptly evaluated and treated by a healthcare professional. Delaying treatment or improper self-care, such as applying heat or rubbing the eye, can exacerbate the injury.

Do nothing unless the eye is very swollen: Incorrect, as internal damage may occur without visible swelling.

Apply heat: Incorrect, as it may worsen inflammation.

Rub the eye to be sure there is nothing in it: Incorrect, as it can cause further injury.

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).

On a normal EKG (electrocardiogram) tracing, the first wave to show a downward deflection is theQ wave. The EKG tracing consists of several waves: the P wave (representing atrial depolarization), the QRS complex (representing ventricular depolarization), and the T wave (representing ventricular repolarization). The Q wave is the initial negative deflection after the P wave and before the R wave in the QRS complex.Reference:Nationally Registered Certified Medical Assistant study materials and standard cardiology references.

When collecting specimens for a white blood count (WBC), you would use a tube that containsEDTA (ethylenediaminetetraacetic acid)as an anticoagulant. EDTA prevents blood from clotting by binding calcium ions, which is crucial for maintaining the integrity of the blood sample for accurate WBC analysis.

Infantile eczema, also known as atopic dermatitis, typically appears in the first year of life. It is characterized by red, raised, pruritic (itchy), and scaling areas, commonly found on the cheeks,scalp, and diaper area. It is not associated with an increase in sebaceous activity, and while it often improves with age, it does not resolve permanently in all cases by the age of three.

References:

American Academy of Dermatology - Atopic Dermatitis (Eczema) Information

Nelson Textbook of Pediatrics

The universal donor blood type isO negative (O-). This means that individuals with this blood type can donate blood to recipients of any other blood type. This is due to the absence of A and B antigens on the red blood cells and the lack of Rh antigen, which prevents the immune system of the recipient from recognizing the donor blood as foreign. The concept of universal donor is fundamental in emergency situations when there's no time to cross-match blood types.

References:

American Red Cross. (n.d.). Understanding Blood Types.

Mayo Clinic. (n.d.). Blood Types and Compatibility.

When a patient is bleeding heavily from a wound, the immediate priority is to control the bleeding. The best initial action is to apply direct pressure to the wound using a clean cloth or bandage. This helps to stem the flow of blood and allows time for clotting to begin. Elevating the limb can also help reduce blood flow to the area, but applying direct pressure is the primary and most effective method. Tourniquets are used only as a last resort when direct pressure and elevation do not control the bleeding.

References:

American Red Cross First Aid Manual

Emergency Care and Transportation of the Sick and Injured (AAOS)

The termoccultmeanshidden. In medical contexts, this term is often used to describe conditions or symptoms that are not immediately apparent or visible. For example, occult blood in the stool refers to blood that is not visible to the naked eye but can be detected through chemical tests.

References:

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

Dorland's Illustrated Medical Dictionary (32nd ed.). (2011). Elsevier.

The word part "peri" means around. It is used in medical terminology to describe structures or conditions surrounding a specific area, such as "pericardium" (around the heart) or "peripheral" (around the edge of an area).

References:

Medical Terminology: A Short Course by Davi-Ellen Chabner

Stedman's Medical Dictionary