Question Details

BIO 170 MODULE 3 CHECK YOUR UNDERSTANDING
1	1The metabolic function of iodine is to:
a.   produce energy.
b.   maintain the nervous system.
c.   maintain dental health.
d.   help synthesize thyroxine.
Hint:Page 154
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state 
the potential harm of an excess or deficiency of each vitamin and mineral.
LO4N:State the absorption-excretion balance, functions, clinical applications 
(e.g., hyperthyroidism and hypothyroidism), dietary reference intake, and food 
sources of iodine.

2.	The percentage of body water in the average person is:
a.   40% to 50%.
b.   50% to 60%.
c.   60% to 70%.
d.   70% to 80%.
Hint:Page 157
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential 
harm of an excess or deficiency of each vitamin and mineral.
LO4Q:State the importance of water in the body along with its functions, requirements, and
 forces controlling water distribution.
	1
3.	All B-complex vitamins have the function of:
a.   regulating fluid balance.
b.   providing body structure.
c.   serving as coenzymes.
d.   converting glucose into hormones.
Hint:Page 112
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential 
harm of an excess or deficiency of each vitamin and mineral.
LO4G:Compare and contrast the b-complex vitamins and their physiologic functions, clinical
 applications, dietary reference intake, and food sources.
	1
4.	Zinc is important throughout the life cycle, but especially during:
a.   pregnancy.
b.   young adulthood.
c.   middle adulthood.
d.   older adulthood.
Hint:Page 155
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential
 harm of an excess or deficiency of each vitamin and mineral.
LO4O:Discuss the clinical applications, requirements, and food sources of zinc.
	1
5.	Trace minerals are called "trace" because they are:
a.   less important than other minerals.
b.   found in a limited number of food sources.
c.   found in small quantities in the body.
d.   difficult to analyze in the laboratory.
Hint:Page 146
SLO0:General Content
	1
6.	The extracellular fluid compartment contains blood plasma, dense tissue fluid, interstitial fluid,
 and:
a.   metabolic water in transit.
b.   fluid within cells.
c.   secretory fluid.
d.   sweat.
Hint:Page 162
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential
 harm of an excess or deficiency of each vitamin and mineral.
LO4Q:State the importance of water in the body along with its functions, requirements, and 
forces controlling water distribution.
	1
7.	Important metabolic functions of sodium include fluid balance, acid-base balance, and:
a.   neuromuscular activity.
b.   release of glycogen.
c.   regulation of enzyme production.
d.   control of body temperature.
Hint:Page 141
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential
 harm of an excess or deficiency of each vitamin and mineral.
LO4K:Examine the metabolism, physiologic functions, clinical applications, and dietary reference
 intake of sodium along with its connection to blood pressure.
	1
8.	A deficiency of vitamin A in the body may result in:
a.   night blindness.
b.   biliary obstruction.
c.   alopecia.
d.   color blindness.
Hint:Page 99
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential 
harm of an excess or deficiency of each vitamin and mineral.
LO4B:Examine the chemical and physical nature of vitamin A along with its forms, functions, 
deficiencies, requirements, and food sources.
	1
9.	The mineral that is present in the body in the greatest amount is:
a.   sodium.
b.   potassium.
c.   calcium.
d.   iron.
Hint:Page 133
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential 
harm of an excess or deficiency of each vitamin and mineral.
LO4I:Identify the three levels of balance, physiologic functions, clinical applications, dietary reference
 intake, and food sources of calcium.
	1
10.	The only known function of cobalt in nutrition is:
a.   contributing to synthesis of thyroxine.
b.   lowering blood glucose levels.
c.   preventing dental caries.
d.   as a constituent of the vitamin B12 molecule.
Hint:Page 157
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential 
harm of an excess or deficiency of each vitamin and mineral.
LO4P:Compare and contrast copper, manganese, chromium, cobalt, selenium, molybdenum, fluoride,
 and other trace elements.
	1
11.	Bioavailability is influenced by the food source and the recipient in which of the following ways?
a.   Binding substances
b.   Gastric acidity
c.   Chemical form
d.   All of the choices apply
Hint:Page 132
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential 
harm of an excess or deficiency of each vitamin and mineral.
LO4H:Explain the role of minerals in human nutrition and distinguish between major minerals and
 trace elements.
	1
12.	Two important physiologic functions of phosphorus are:
a.   general metabolism and bone formation.
b.   heme formation and hormone synthesis.
c.   acid-base balance and detoxification.
d.   synthesis and absorption of fatty acids.
Hint:Page 140
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential
 harm of an excess or deficiency of each vitamin and mineral.
LO4J:Describe the absorption-excretion balance, bone-blood-cell balance, physiologic functions, 
clinical applications, dietary reference intake, and food sources of phosphorus.
	1
13.	To be classified as a vitamin, a compound must meet which of the following criteria?
a.  It must be an organic dietary substance that is not energy producing, as are carbohydrate,
 fat, or protein.
b.   It is needed in very small quantities to perform a particular metabolic function and prevent 
       an associated deficiency disease.
c.   The body cannot manufacture it, so must be supplied in food.
d.   All of the choices apply.
Hint:Page 95
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential
 harm of an excess or deficiency of each vitamin and mineral.
LO4A:Describe vitamins as essential nutrients and differentiate between fat-soluble and water-soluble
 vitamins.
	1
14.	An example of a food high in vitamin E is:
a.   green salad with dressing made with sunflower oil.
b.   guacamole made with avocado, lemon juice, and tomatoes.
c.   fruit salad made with berries and melons.
d.   oatmeal with raisins and honey.
Hint:Page 108
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential harm
 of an excess or deficiency of each vitamin and mineral.
LO4D:Evaluate the chemical and physical nature of vitamin E in addition to its forms, functions, 
deficiencies, requirements, and food sources.
	0
15.	Sulfur is found in the body in:
a.   proteins.
b.   stored fat.
c.   DNA
d.   glycogen.
Hint:Page 146
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential harm 
of an excess or deficiency of each vitamin and mineral.
LO4L:Analyze the metabolism, physiologic functions, clinical applications, dietary reference intake, 
and food sources of potassium, magnesium, chloride, and sulfur.
	1
16.	Chlorine can be found in the body as chloride ions in:
a.   hemoglobin.
b.   bile.
c.   gastric secretions.
d.   skeletal tissue.
Hint:Page 146
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential harm
 of an excess or deficiency of each vitamin and mineral.
LO4L:Analyze the metabolism, physiologic functions, clinical applications, dietary reference intake,
 and food sources of potassium, magnesium, chloride, and sulfur.
	1
17.	A deficiency of vitamin C can cause:
a.   scurvy.
b.   pernicious anemia.
c.   megaloblastic anemia.
d.   beriberi.
Hint:Page 110
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential harm
 of an excess or deficiency of each vitamin and mineral.
LO4F:Describe the chemical and physical nature of vitamin C in addition to its forms, functions, 
deficiencies, requirements, and food sources.
	1
18.	Solutes found in body fluids that influence movement of water include plasma proteins, glucose, and:
a.   electrolytes.
b.   minerals.
c.   vitamins.
d.   calcium.
Hint:Page 161
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential
 harm of an excess or deficiency of each vitamin and mineral.
LO4Q:State the importance of water in the body along with its functions, requirements, and forces 
controlling water distribution.
	1
19.	The vitamin that is essential to bone growth is vitamin:
a.   D.
b.   A.
c.   E.
d.   C.
Hint:Page 104
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential 
harm of an excess or deficiency of each vitamin and mineral.
LO4C:Analyze the chemical and physical nature of vitamin D in addition to its forms, functions, 
deficiencies, requirements, and food sources.
	1
20.	The primary function of vitamin D is to regulate absorption and metabolism of:
a.   iron and zinc.
b.   calcium and phosphorus.
c.   sodium and chloride.
d.   potassium and magnesium.
Hint:Page 103
SLO4:Analyze fat-soluble vitamins, water-soluble vitamins, and minerals and state the potential 
harm of an excess or deficiency of each vitamin and mineral.
LO4C:Analyze the chemical and physical nature of vitamin D in addition to its forms, functions, 
deficiencies, requirements, and food sources.
	
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