copy aim, do now quiz, hw aim: what are the results of not receiving essential nutrients in our...
TRANSCRIPT
COPY AIM, Do Now Quiz, HWAim: What are the results of not receiving essential nutrients in our diet?Do Now Quiz 11/09: Pick up Do Now Quiz #2 by the late log. At the end of the 5 mins, I will call time and have you hold up your completed Do Now Quizzes before review. Time: 5 minsHW: Exam #2 on nutrition TOMORROW! Use handouts and notes to study
Agenda
•Do Now Quiz and Review•Finish classwork from Friday – Nutritional Labels (10
mins) • Review
•CLASS NOTES – Nutritional Deficiency Diseases•Pair work: Worksheet on Nutritional Deficiencies • Review
•Exit Ticket
Friday Classwork – Handed back
•Finish all four pages•Page 3 – answers are all on the label – no calculations required•Show your calculations
Review of Friday Classwork
Review of Friday Classwork
Review of Friday Classwork
Nutritional Diseases•Malnutrition: Lack of essential nutrients; ie vitamins,
minerals, amino acids
•Undernourishment: Lack of food energy (calories).
•WHO estimates that half of the world’s population is malnourished in some form
•Can you be overnourished and malnourished at the same time?
Anemia
Cause: iron deficiency, decrease in the number of RBCs
Problem: fatigue, irritability, shortness of breath, constant headache
Beriberi
Cause: lack of vitamin B1 (thiamine)
Problem: heart and nervous system damage, muscle wasting, brain damage
Cretinism & GoiterCretinism
Causes: lack of iodine during pregnancy
Problem: physical & mental retardation, stunted growth
Goiter
Causes: lack of iodine
Problem: deafness, fatigue, weight gain, enlarged thyroid
Osteoporosis
Cause: lack of calcium and/or vitamin D (prevents absorption of calcium)
Problem: weak bones, fractures, decrease bone density
Rickets
Cause: lack of vitamin D
Problem: softening and weakening of bones from release of calcium from bones
ScurvyCause: lack of vitamin C
Problem: spongy gums, irritability, swelling and hemorrhage especially over long bones, death from hemorrhage and cardiac failure
Xerophthalmia (Dry Eyes)
Cause: vitamin A deficiency
Problem: blindness
Pair Work – Worksheet: Nutritional Deficiencies
•Choose partner #1 and partner #2•Read through pages 3 and 4 before looking at
questions• Partner #1: Read through vitamin deficiencies• Partner #2: Read through mineral deficiencies
•Go through the questions and answer in your pairs. Both partners must be able to understand the answers for all questions, and complete the handout to be collected later.
*Note: You don’t need to know diseases on this handout for the test. Only the slides we covered will be on tomorrow’s exam*
Exit Ticket
•Why do you think nutritional deficiency diseases are rare in America, but happen frequently in underdeveloped countries?•How do you think we can provide aid to those countries to prevent these diseases (other than just providing more food)?