Describe the relationship between the electrolytes, potassium and sodium, and edema
Potassium maintains the fluid level within the cell and sodium maintains it outside the cell. Normally, there is more potassium than sodium inside and more sodium than potassium outside the cell. When this balance is upset, the sodium amount increases, and so does the fluid level within the cell. This results in edema. If the sodium level outside the cell drops, fluid enters the cell to dilute the potassium level, thereby causing a reduction of extracellular fluid, which in turn causes a decrease in blood pressure and dehydration.
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A disorder characterized by reduced digestion of lactose due to the low availability of the enzyme lactase is called:
a. lactose intolerance. b. milk intolerance. c. milk allergy. d. lactose maldigestion.
Nutrigenomics is a field of study focusing on genetically determined biochemical pathways linking specific dietary substances with health and disease.
Answer the following statement true (T) or false (F)
According to the FITT principle, the basic components of a physical fitness plan are _______________, _______________, _______________, and _______________
Fill in the blank(s) with correct word
Which of the following describes a progressive disease that limits airflow through either inflammation of the lining of the bronchial tubes or destruction of the alveoli?
a. asthma b. BPD c. COPD d. CF