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Homework answers / question archive / Columbus State UniversityBIOL 2225K Week 7 Unit 1-Microbe-Human Interactions: Infection and Disease Quiz 1 1)According to the Human Microbiome Project, the timeframe in which the human body typically begins to be colonized by its normal biota is a              before birth, in utero

Columbus State UniversityBIOL 2225K Week 7 Unit 1-Microbe-Human Interactions: Infection and Disease Quiz 1 1)According to the Human Microbiome Project, the timeframe in which the human body typically begins to be colonized by its normal biota is a              before birth, in utero

Health Science

Columbus State UniversityBIOL 2225K

Week 7 Unit 1-Microbe-Human Interactions: Infection and Disease Quiz 1

1)According to the Human Microbiome Project, the timeframe in which the human body typically begins to be colonized by its normal biota is

a              before birth, in utero.

b             during and immediately after birth.

c              when a child first goes to school.

d             when an infant gets its first infectious disease.

 e            during puberty.

 

2              Each of the following is inoculation of normal biota to a newborn except

a              the birth process through the birth canal.

b             bottle feeding.

c              breast feeding.

d             contact with hospital staff.

e             All of the choices are correct.

 

3              The effect of beneficial microbes of normal biota against invading microbes is called

 a             microbial antagonism.

b             endogenous infection.

c              infectious disease.

d             axenic.

e             gnotobiotism.

 

4              Which of the following genera is NOT considered resident biota of skin sites?

a              Escherichia.

b             Staphylococcus.

c              Corynebacterium.

 d            Micrococcus.

e             Candida.

 

5              Opportunistic pathogens

a              cause disease in every individual.

b             cause disease in compromised individuals.

c              are always pathogens.

d             have well-developed virulence factors.

 

6                                                             is the genus that is the most common resident biota of mouth surfaces?

a              Lactobacillus

b             Streptococcus

c              Haemophilus

d             Escherichia

e             Mycobacterium

 

7              The greatest number of pathogens enter the body through which system below?

 a             respiratory system

 

b             gastrointestinal system c              urinary system

d             genital system

 

8              An infectious agent that originates from outside the body is called

 a             exogenous.

b             an exotoxin.

c              an enterotoxin. d             endogenous.

e             axenic.

 

9              The                                        is the minimum number of microbes required for an infection to proceed. a                virulence factor

b             indigenous biota

c              infectious dose

d             endotoxin

e             minimal dose

 

10           Select the option below that is not a method of bacterial adhesion?

 a             fimbriae

b             surface proteins

c              specialized receptors

d             adhesive slime or capsules e       cilia

 

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