Portage BIOD121 2021 May Exam 4 Latest

BIOD121 Essentials in Nutrition

Exam 4

Question 1Multiple Choice:

Fat soluble vitamins have all the following characteristics except:

  They are organic

  Are absorbed into the lymph system

  All are synthesized by the body

  Are stored in large quantities

 Question 2Multiple Choice:

Fat soluble vitamins have all the following characteristics except:

  They are organic

  They are dependent on fat intake

  Are absorbed into the lymph system

  Are vulnerable to cooking losses

 Question 31.  Xeropthalmia is a result of a deficiency of ______________.

2.  ____________ are not toxic but may cause yellowing of the palms and soles when consumed in large quantities.

Question 41.  Vitamin C is important in the formation of collagen.

Like Vitamin ___ and ___ it works as an antioxidant scavenging free radicals.

2.  Combining iron with good sources of this vitamin will improve its ____________.

3.  A deficiency results in scurvy which can be prevented by consuming citrus fruits. This vitamin is often marketed as a cure for the common ____________.

Question 51.  A lack of vitamin B-12 can lead to two types of anemia. What are they?

2.  Name 2 good sources of vitamin B-12.

Question 61.  A deficiency of thiamin results in beriberi which translates to I can’t I can’t.

Pellagra is a deficiency of niacin and the symptoms include diarrhea, dermatitis, ____________ and death.

2.  Ariboflavinosis results from a riboflavin deficiency leading to an inflamed tongue known as glossitis and ____________ , cracks around the mouth.

3.  A deficiency of folate and vitamin ____________ both result in megaloblastic anemia, formation of large immature red blood cells.

Question 71.  To prevent dehydration two hormones are secreted.

Aldosterone is secreted from the adrenal glands to conserve ____________ and water.

2.  The pituitary glands release antidiuretic hormone to decrease ____________ output.

Question 8There are six ions that are important in fluid regulation, name four.

Question 91.  Minerals are essential ____________. The degree to which they can be absorbed is called their bioavailability.

2.  Minerals needed in amounts > 100 mg per day are called ____________ minerals while those needed in quantities < 100 mg daily are _____________ minerals.

Unlike vitamins they are not destroyed by heat, light and exposure to air.

Question 10Name three food sources that are good sources of non heme iron.

Question 11Match the following minerals to their disease/deficiency.

a. Iron

b. Selenium

c. Iodide

d. Calcium

1. ___ A particular type of heart disease

2. ___ Osteoporosis

3. ___ Congenital hypothyroidism in children

4. ___ Anemia resulting from a low hematocrit and hemoglobin level