Portage BIOD121 Exam 2 Latest 2021 May

BIOD121 Essentials in Nutrition

Exam 2

Question 1Specific parts of the GI tract include the mouth, esophagus, ______(A)________, small intestine, _______(B)_________ and ______(C)_________. Other organs such as the liver, gallbladder and pancreas aid in digestion but are not considered part of the GI tract.

Question 2Explain the symptoms of Irritable Bowel Syndrome.

Question 3Sphincters play an important role in the GI tract.

Name two sphincters discussed in the module and using your own words, briefly describe their functions.

 Question 4Define the role of enzymes in digestion. Are enzymes an example of the chemical or mechanical process of digestion?

Question 5Carbohydrates can be classified as monosaccharides, disaccharides, polysaccharides and fiber. Match the following with the descriptions.

a. Monosaccharides

b. Disaccharides

c. Insoluble Fiber

d. Soluble Fiber

e. Functional Fiber

1. _____ Promotes intestinal health and is added to foods

2. _____ Improves passage through the large intestine

3. _____ Slows glucose absorption and lowers cholesterol

4. _____ Eventually breaks down into glucose

5. _____ An example is galactose

Question 6Multiple Choice:

Which of the following is NOT True concerning blood sugar regulation?

  Normal blood sugar levels range between 70 to 100 mg/dl

  When blood sugar drops below 70 insulin is released from the pancreas

  Low blood sugar is called hypoglycemia

  Glycogen is stored in the liver

Question 7Short Answer:

What is the function of glucagon?

Question 8Name the food groups that lacto-ovo vegetarians will include in their diet and those that they avoid.

Question 9The biological value of a protein is different in animal vs plant sources. Animal sources are considered high quality or complete proteins. Plant sources are considered lower quality or incomplete protein. When two or more plant proteins combine, the proteins are called ____(A)______ proteins.

A disease occurring in young children who consume insufficient amounts of proteins and marginal calories is ___(B)_____.

The disease state that results from very little protein and calorie intake is called _____(C)_____.

Question 10Multiple Choice:

Which of the following is Not True concerning fats and lipids?

  Saturated fats can increase cholesterol levels

 Trans fats are naturally occurring fats that raise cholesterol levels

  Saturated fats are found mainly in animal sources

  Saturated fats are solid at room temperature

  Question 11Short Answer:

What are lipoproteins comprised of?

Question 12Define kwashiorkor.