Juvenile Rheumatoid Arthritis Differs from the Adult Form in That

question 11

Multiple Choice

Juvenile rheumatoid arthritis differs from the adult form in that:

• A)Only small joints are affected.
• B)Rheumatoid factor is not present in JRA,but systemic effects are more severe.
• C)Onset is more insidious in JRA.
• D)Deformity and loss of function occur in most children with JRA.

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Definitions:

Baroreceptor Mechanism

A reflex mechanism using sensory receptors in the blood vessels to detect changes in blood pressure and stimulate responses to maintain homeostasis.

Chemoreceptor Mechanism

A physiological process involving receptors that detect changes in the chemical concentration of substances (such as oxygen or carbon dioxide) in the body and signal these changes to the nervous system.

Capillary Permeability

The ability of substances to pass through the tiny blood vessels called capillaries, which is critical for the exchange of oxygen, nutrients, and waste products between blood and tissues.

Plasma Colloid Osmotic Pressure

The pressure exerted by plasma proteins on the capillary walls, influencing the movement of water between capillaries and tissues.