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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 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

When encountering a baffling term, the best course of action is toconsult a dictionary. This ensures that the term is understood correctly, including its pronunciation, meaning, and usage. In a medical setting, accuracy is crucial, and referring to a reliable source like a medical dictionary helps prevent misunderstandings and errors.

The outermost cellular layer of skin is called the epidermis. The epidermis is a stratified squamous epithelium that provides a protective barrier against environmental factors such as pathogens, UV radiation, and physical injury. It is composed of several layers, including the stratum corneum, which is the outermost layer of dead keratinized cells.

Autoclaving is a sterilization process that uses high-pressure saturated steam, and proper timing ensures the complete elimination of all microorganisms on the instruments.

References:

Centers for Disease Control and Prevention (CDC). (n.d.). Guidelines for Disinfection and Sterilization in Healthcare Facilities.

Rutala, W. A., & Weber, D. J. (2019).Disinfection, Sterilization, and Antisepsis: Principles, Practices, Current Issues, New Research, and New Technologies. Association for Professionals in Infection Control and Epidemiology (APIC).

The words"Annorexia","Oititis", and"Legder"are incorrectly spelled. The correct spellings are:

Anorexia- An eating disorder characterized by an abnormally low body weight and an intense fear of gaining weight.

Otitis- Inflammation or infection of the ear.

Ledger- A book or other collection of financial accounts.

References:

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

Merriam-Webster Medical Dictionary.

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.

The small sac attached to the underside of the liver that stores bile is called thegallbladder. The gallbladder stores and concentrates bile produced by the liver, releasing it into the small intestine to aid in the digestion of fats.Reference:Nationally Registered Certified Medical Assistant study materials, anatomy and physiology textbooks.

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.

The purpose of applying paste or jelly when running anEKG (Electrocardiogram)is toreduce skin resistance. This conductive gel ensures better conductivity between the skin and the electrodes, resulting in a clearer and more accurate recording of the heart's electrical activity. Without the gel, poor contact can lead to high resistance and artifacts in the EKG trace.

References:

Thaler, M. S. (2018). The Only EKG Book You'll Ever Need (9th ed.). Wolters Kluwer