Exam 2 Study Guide Flashcards
trace minerals differ from major minerals in all of the following ways, EXCEPT:
a. ) their daily requirement is less than 100 milligrams
b. ) their safe range of intake is more narrow
c. ) they are found in smaller amounts in the body
d. ) they are less essential in human health
e. ) they include iodine and iron
d; they are less essential in human health
all of the following are general properties of trace minerals, EXCEPT:
a. ) they are found only in foods of animal origin
b. ) many are co-factors for enzymes
c. ) very little digestion is required
d. ) they are absorbed primarily in the small intestine
e. ) they circulate freely in the blood
a; they are found only in foods of animal origin
the majority of iodine intake in the United States comes from:
a. ) fruits and vegetables
b. ) iodized salt
c. ) milk and processed foods
d. ) nuts and vegetable oils
c; milk and processed grains
in contrast to heme iron, non-heme iron:
a. ) is found only in animal foods
b. ) makes up the majority of iron we consume
c. ) is better absorbed by the body
d. ) is more influenced by dietary components that inhibit absorption
e. ) is the most prominent form of iron in the body
b; makes up the majority of iron we consume
is iron better absorbed when consumed with orange juice or tomato juice?
orange juice
which trace mineral is required for the function of perhaps more proteins in the body than any other mineral?
a. ) copper
b. ) chromium
c. ) iron
d. ) selenium
e. ) zinc
e; zinc
which of the following is NOT an ultratrace mineral?
a. ) boron
b. ) manganese
c. ) nickel
d. ) silicon
e. ) vanadium
b; manganese
which of the following is NOT true regarding essential minerals in the diet?
a. ) they are classified as major or trace, based on daily requirement
b. ) they make up about 4% of our body weight
c. ) they are easily destroyed by heat, light, cooking, or digestion
d. ) they have an electric charge and are considered ions
e. ) they function as part of enzymes and hormones
c; they are easily destroyed by heat, light, cooking, or digestion
which of the following minerals does NOT serve as a structural component of bone and teeth?
a. ) calcium
b. ) chloride
c. ) magnesium
d. ) phosphorus
b; chloride
which of the following is NOT true regarding calcium blood levels in the body?
a. ) they are primarily determined by dietary calcium intake through the diet
b. ) they are supplied primarily from calcium in bone
c. ) they are regulated through a process called calcium homeostasis
d. ) they are influenced by calcium absorption and excretion
e. ) they are increased in response to the release of parathyroid hormone
a; they are primarily determined by dietary calcium intake through the diet
how many females were under 75% DRI for calcium? over 75% or under 75%?
over 75%
a cofactor can be defined as:
a. ) a protein that binds free radicals
b. ) a vitamin required for mineral function
c. ) a nonprotein compound that facilitates enzyme function
d. ) a combination of minerals mutually dependent for their function
c; a nonprotein compound that facilitates enzyme function
the primary intracellular electrolyte is:
a. ) calcium
b. ) chloride
c. ) potassium
d. ) sodium
e. ) zinc
c; potassium
the 2015 Dietary Guidelines for Americans recommend that people 14 years and older limit their sodium intake to ____ mg a day
a. ) 800
b. ) 1,500
c. ) 2,300
d. ) 2,500
e. ) 3,400
c; 2,300
how many milligrams of sodium are in a 1/2 cup serving of canned green beans?
a. ) 200
b. ) 400
c. ) 600
d. ) 800
b; 400
