RNA Differs from DNA in That

question 37

Multiple Choice

RNA differs from DNA in that

• A)it is usually single-stranded.
• B)it is usually double-stranded.
• C)it has thymine instead of uracil.
• D)it has deoxyribose instead of ribose.

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Definitions:

Jugular Venous Pulsations

Observable pulsations of the jugular vein in the neck, used clinically to assess central venous pressure and heart function.

Sternal Angle

Also known as the Angle of Louis, it is the anatomical landmark formed by the junction between the manubrium and the body of the sternum, important in thoracic surgery and medicine.

Heart Failure

A chronic condition where the heart muscle is unable to pump blood as well as it should, leading to symptoms such as shortness of breath and fluid build-up.

Percussion of Heart

A diagnostic procedure where the chest is tapped lightly to determine the size and borders of the heart by the sounds produced.