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Biobeyond Unit 8 Under Skin Questions and Answers
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Biobeyond Unit 8 Under Skin Questions and Answers
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Biobeyond Unit 8 Under Skin Questionsand Answers
As commander, what change would you institute to provide your crew with enough
vitamin D to maintain their bones? - ANSWER-Add fortified oatmeal (320 IU of vitamin
D) to the current breakfast.
Assuming your crew is between the ages of 19-70 years old, what is the total daily
intake of vitamin D each should receive? - ANSWER-600 IU
Astronauts recieving 100% of their daily recommended value of Vitamin D are getting
enough of the vitamin. If your crew was to eat the meal plan below, would they receive
sufficient vitamin D? - ANSWER-No
Based on the evidence shown, what might explain the levels of vitamin D deficiency in
the UK during the winter months? - ANSWER-Lack of adequate sunlight
Benefits of sunlight - ANSWER-The sun on your skin helps...
Plants on Earth need direct...
Can sunlight affect the health of your crew's bones? - ANSWER-astro- since
astronauts...
Vitamin D- the lack of sunlight...deficiency in astronauts
Calcium- vitamin D prevent calcium from being absorbed
Xray- decrease in calcium absorption..prevents body from building and maintaining...
Complete this diagram - ANSWER-reduced vitamin D production
Reduced calcium absorption
Increased production of PTH
Loss of bones
Do you think astronauts get direct contact with sunlight while in space? - ANSWER-No
Do you think there's a connection between the lack of direct contact with sunlight in
space and bone loss? - ANSWER-yes
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