copy aim, do now quiz, hw aim: what are the results of not receiving essential nutrients in our...

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*

Review

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)?