Page 47 - Today's Dietitian (March 2020)

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1. Where are most of the microbes in the body located? 7. When given supplemental iron, a compromised gut will
a. Throughout the digestive system do which of the following?
b. Spread evenly all over the body a. Thrive, and the risk of infection will decrease
c. Only in the colon b. Start to absorb more iron, leading to iron toxicity
d. Not in one specific place
c. Do nothing and excrete the iron
d. Increase risk of pathogenic infection
2. The two major classes of bacteria that live in the gut are
which of the following?
8. When malnourished children are treated for malnutrition,
a. Lactobacillus and E coli their microbiomes will do which of the following?
b. Cyanobacteria and acidobacteria a. Improve, but then regress once treatment ends
c. Bacteroidetes and firmicutes b. Improve permanently and fully mature
d. Deferribacteres and fusobacteria
c. Not change at all and have no impact on health
d. Increase in diversity and improve nutritional status
3. Changes to the microbiome caused by dietary
modifications can occur:
9. Malnourished children are more likely to have which of
a. In as little as 24 hours. the following types of gut bacteria when compared with
b. Only after eliminating meat. healthy children?
c. When dietary fat is increased. a. Lactobacillus and proteobacteria
d. After a year of following a diet.
b. Bacteroidetes and cyanobacteria
c. Enterobacteria and proteobacteria
4. The microbiome of an individual on a high-starch diet d. Firmicutes and actinobacteria
likely would have more of which of the following bacteria?

a. Lactobacillus and firmicutes 10. The type of microbiome that increases risk of obesity
b. Prevotella and xylanibacter has which of the following properties?
c. Bacteroidetes and xylanibacter a. Low in bacterial diversity and consists of different
d. Firmicutes and prevotella
types of bacteria than those of lean people
b. High in bacterial diversity and the same types of
5. A high-protein diet will decrease which of the following? bacteria as those of lean people
c. High in bacterial diversity but has different types of
a. The diversity of the microbiome bacteria than those of lean people
b. The overall number of gut bacteria d. Low in bacterial diversity but has similar types of
c. Only the number of bacteroidetes bacteria as those of lean people
d. Only the number of firmicutes

6. Low levels of butyrate-producing microbes:
a. Lower inflammation and improve digestion.
b. Improve gut permeability and nutrient absorption.
c. Are a risk factor for weight gain.
d. Increase inflammation and gut permeability.

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