Ch 7 nutrition

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  1. What nutrient does the body need the most of each day
    water
  2. is water a macro or micronutrient
    macro
  3. Water Comprises ?% of total body weight
    45-75 (average of 60%)
  4. Fluid located outside the cells
    1/3 of body water
    Circulation (blood and lymph)
    Fluid between cells or tissues(interstitial fluid)
    Extracellular fluid
  5. Fluid located within the cells
    Remains fairly constant 2/3 of body water
    Intracellular fluid
  6. water is absorbed directly from the ? into the circulating blood
    small intestine
  7. water is produced during the ? of
    macronutrients
    catabolism
  8. water is stored primarily in the ? spaces
    extracellular
  9. does a high salt meal lead to water retention?
    yes
  10. For every ounce of glycogen,
    you store ? of water
    3 ounces
  11. Urine is water
    95%
  12. Feces is ? water
    10%
  13. Fluid input (3)
    
    • Beverages
    • Foods
    • Metabolism
  14. Fluid output
    
    • Kidneys
    • Skin
    • Lungs
    • Feces (GI tract)
  15. Types of electrolytes most plentiful in the body
    
    • Sodium (Na+)
    • Potassium (K+)
    • Chloride (Cl-)
  16. Bulimia can lead to an imbalance in?
    electrolytes
  17. What disperses electrolytes
    Water
  18. Electrolytes are compounds such as
    
    • Salts
    • Acids
    • bases
  19. Electrolyte functions (3)
    
    • Facilitate chemical reactions
    • Control osmotic pressure
    • Maintain acid/base balance
  20. Normal blood pH
    7.35-7.45
  21. If blood pH drops to 7.2 we have
    acidosis
  22. If blood pH drops to 7.0
    death
  23. What causes...
    › decrease the body's ability to absorb
    minerals and other nutrients
    › decrease the energy production in cells
    › decrease ability to repair damaged cells
    › decrease ability to detoxify heavy metals
    › make tumor cells thrive
    › make more susceptible to fatigue and illness
    An acidic balance
  24. pH of saliva
    6.35-6.85
  25. The most indepsensable nutrient
    water
  26. If blood is too concentrated, how does the body compensate?
    • water is pulled from the salivary glands
    • Hypothalmus sends signals to the pituitary to release a hormon for the kidneys to concerve water
  27. Conditions that increase the need for water consumption
    • Alcohol consumption
    • Cold weather
    • Dietary fiber
    • Diseases that disturb water balance
    • (diabetes, kidney disease)
    • Heated environments
    • High altitude
    • Hot weather, high humidity
    • Ketosis
    • Medications (diuretics)
    • Physical activity
    • Increased protein, salt or sugar intakes Pregnancy and breast feeding
    • Prolonged diarrhea, vomiting, fever
    • Surgery, blood loss, burns
    • Very young or old age
  28. Average Daily Requirement of water
    
    • Sedentary women: 9 cups/day
    • (2200 mL)
    • Sedentary men: 12 cups/day
    • (2900 mL)
    • Infants and children: 1.5
    • mL/kcal
  29. Dehyration types
    • Acute
    • Mild
    • chronic
    • severe
  30. Occurs with intense exercise or severe vomiting and/or diarrhea
    Acute dehyration
  31. 1% or greater loss of body weight through fluid loss
    Mild dhyration
  32. Depressed thirst recognition, long-term poor fluid consumption, excess use of diuretics
    Chronic dehyration
  33. • 10% loss of body water
    • Serious health risk, especially in children, elderly, and the
    medically compromised
    • 20% loss of body water is fatal
    Severe dehyration
  34. Early signs of dehyration
    • Appetite loss,
    • headache,
    • fatigue,
    • flushed skin,
    • light-headedness,
    • dry mouth and eyes,
    • dark concentrated urine with strong odor
  35. Advanced signs of dehyration
    • Numbness,
    • muscle spasms,
    • swallowing difficulty,
    • vision difficulties,
    • delirium
  36. the condition characterized by
    excessive fluid retention
    Edema
  37. Healthy human kidneys can remove ???per hour
    1.5L (6 cups) of water
  38. Water toximia/ hyperhyration can lead to
    hyponatrimia
  39. Recommendations
    Ordinary exercise (walking)
    • • 8 oz (1 cup) before exercise
    • • 4 more oz every 20 mins
    • • 8 oz (1 cup) 30 mins after exercise
  40. Pregnant women need
    at least ? of extra
    water per day
    Breastfeeding mothers
    need an additional ? of water per day
    • 1 cup
    • 3-4 cups
  41. caffeine is a natural substance found in more than how many plants?
    60
  42. how much coffee can you have in a day?
    3 cups...300mg
  43. Alcohol is a major contributor to
    • elevated blood pressure
    • cirrhosis of the liver
    • fetal alcohol syndrome

Card Set Information

Author:
darbydo88
ID:
69684
Filename:
Ch 7 nutrition
Updated:
2011-03-01 00:53:43
Tags:
nutrition
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Description:
nutrition
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