Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Calcium/iron

TermDefinition
Calcium sources •Milk •Cheese •Yogurt •Leafy green vegetables •Tinned fish e.g. tinned sardines •Sesame seeds
Calcium Functions • Helps the formation of strong bones & teeth • Assists blood clotting • Aids normal muscle contraction
Calcium Deficiencies • Rickets, osteomalacia, osteoporosis, tooth decay • Slow blood clotting • Muscle spasms & cramps
Factors increasing absorption of calcium • Vitamin D: (controls absorption of calcium into blood) • Vitamin C: (provides acid environment to help absorption) • Phosphorus: (makes calcium easier to absorb) • Parathormone: (controls level of calcium in blood, helping absorption)
Factors reducing absorption of calcium • Phytic acid(combines with calcium reducing absorption) • Oxalic acid(in rhubarb, combines with calcium reducing absorption) • Excess dietary fibre(binds to calcium reducing absorption) • Tannins in tea & coffee(binds to calcium reducing absorption)
Calcium reference intake Reference intake •Children: 800mg • Adolescents: 1200mg • Adults: 800mg • Pregnant women: 1200mg
Iron: Haem Iron sources Easily absorbed by body Ferrous state • Red meat • Liver • Chicken • Black pudding
Iron: Non-Haem Iron Not easily absorbed by body Ferric state • Leafy green vegetables • Pulse vegetable • Eggs •Whole cereals •Oily fish
Iron Functions • Produces haemoglobin, in red blood cells which carries oxygen around the body • Forms part of myoglobin, which carries oxygen to the muscles for energy • Works with enzymes to release energy
Iron Deficiencies •Anaemia: tiredness, pale skin, irritability, dizziness • Muscle fatigue for an athlete • Body has less energy
Factors increasing absorption of Iron • Eating haem & non haem together: (e.g. beef & broccoli) • Vitamin C (changes non haem ferric iron to ferrous iron, which is easier to absorb) • Hydrochloric acid in stomach(provides an acid environment which changes ferric to ferrous iron)
Factors reducing absorption of Iron • Phytic acid(combines with iron reducing absorption) • Oxalic acid  (in rhubarb & spinach, combines with iron reducing absorption) • Excess dietary fibre (binds to iron reducing absorption) • Tannins in tea & coffee(binds to iron reducing absorption)
Iron reference intake •Children & adult males: 10mg • Adolescents & adult females: 14mg • Pregnant & lactating women: 15mg
Created by: Caoimhek
Popular Health & Social Care sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards