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Author Question: Which is the chief cation of intracellular fluid for which maintenance of normal levels is essential ... (Read 43 times)

bobbie

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Which is the chief cation of intracellular fluid for which maintenance of normal levels is essential to life of the cells?
 A) calcium
  B) sodium
  C) potassium
  D) bicarbonate

Question 2

Describe how malnutrition impacts the body's immune response.



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Yixagurpuldink

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Answer to Question 1

C

Answer to Question 2

Malnutrition affects all aspects of immunity, including both innate and adaptive immune defenses. For example, both protein-energy malnutrition (PEM) and vitamin A deficiency can result in damage to the skin and mucous membranes, allowing microorganisms to more easily enter the body. Deficiencies of protein and various micronutrients can affect the synthesis of hydrolytic enzymes, complement, antibodies, and other proteins important for immune function. Cell-mediated immunity is impaired in numerous ways by both PEM and zinc deficiencies. Because PEM is usually associated with multiple micronutrient deficiencies, it has been difficult for researchers to separate out the influences of individual nutrients. Nevertheless, zinc, iron, and vitamin A deficiencies are among the most common micronutrient deficiencies worldwide, and a large body of research has demonstrated that each has a strong, independent influence on immunity. Of note, correcting deficiencies of various micronutrients (especially zinc and vitamin A ) in malnourished populations has been found to reduce the incidence and severity of illness.




bobbie

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Reply 2 on: Aug 21, 2018
Wow, this really help


bulacsom

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Reply 3 on: Yesterday
:D TYSM

 

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