Unit 4 Quiz Questions

Question 1

Where is Helicobacter pylori found most often in our bodies?

Stomach
Pharynx
Small intestine
Mouth

Answer 1

Stomach

Question 2

When does colonization of a baby begin?

Conception
1 day after delivery
Birth
In utero

Answer 2

Birth

Question 3

Which group of microbes are most associated with dental cavities?

Proteobacteria
Streptococci
Actinobacteria
Staphylococci

Answer 3

Streptococci

Question 4

How many microbes are in and on the human body?

4E11
4E17
4E15
4E13

Answer 4

4E13

Question 5

Increased methane production in the gut leads to _____.

loss of body mass

elevated volatile fatty acid production

resistance to antibiotics

elevated hydrogen levels in the gut

Answer 5

elevated volatile fatty acid production

Question 6

Which of these is NOT one of the three common bacterial phyla of the gut?

Firmicutes
Proteobacteria
Chlamydia
Bacteroidetes

Answer 6

Chlamydia

Question 7

Where are most of the human microbiota located?

Colon
Lung
Skin
Kidney

Answer 7

Colon

Question 8

Lactobacillus in our yogurt is an example of what?

Xenobiotic
Probiotic
Antibiotic
Prebiotic

Answer 8

Probiotic

Question 9

What type of relationship do we most commonly have with our normal microbiota?

Parasitism
Commensalism
Ammensalism
Mutualism

Answer 9

Commensalism

Question 10

Which of these is the most numerous bacteria on our skin?

Proteobacteria
Actinobacteria
Spirochetes
Mycoplasma

Answer 10

Actinobacteria

Question 11

The occurence of Lyme disease in Michigan is best termed what?

Pandemic
Epidemic
Sporadic
Endemic

Answer 11

Endemic

Question 12

The number of new cases of a disease is day is called what?

Epidemic
Head count
Incidence
Prevalence

Answer 12

Incidence

Question 13

Which of these was among the first epidemiologists?

Louis Pasteur
Robert Koch
John Snow
John Needham

Answer 13

John Snow

Question 14

If you get malaria from an infected mosquito, what did it act as?

Mechanical vector
Vehicle
Fomite
Biological vector

Answer 14

Biological vector

Question 15

The COVID-19 outbreak was best termed what?

Epidemic
Sporadic
Pandemic
Endemic

Answer 15

Pandemic

Question 16

What term refers to an inanimate object that can transmit disease?

Vector
Reservoir
Vehicle
Fomite

Answer 16

Fomite

Question 17

Individuals that have subclinical infections of a pathogen are termed what?

Carriers
Vectors
Reservoirs
Fomites

Answer 17

Carriers

Question 18

The study of the occurence and distribution of diseases in a population is called what?

Microbiology
Epidemiology
Immunology
Parasitology

Answer 18

Epidemiology

Question 19

The incidence of death in a population is called what?

LD50
Mortality
Morbidity
ID50

Answer 19

Mortality

Question 20

During which period of a disease are the symptoms at their height?

Acute
Incubation
Decline
Prodromal

Answer 20

Acute

Question 21

What genetic process gives the toxin gene to Corynebacterium diphtheria?

Lysogenic conversion
Phase variation
Antigenic drift
Antigenic shift

Answer 21

Lysogenic conversion

Question 22

Which virus causes chicken pox?

Variola
Varicella zoster
Coronavirus
Rubeola

Answer 22

Varicella zoster

Question 23

What is the leading cause of bacterial pneumonia in the United States?

Klebsiella pneumoniae
Mycobacterium pneumoniae
Streptococcus pneumoniae
Mycoplasma pneumoniae

Answer 23

Streptococcus pneumoniae

Question 24

Which virus causes measles?

Rubeola
Variola
Rubella
Vaccinia

Answer 24

Rubeola

Question 25

Which microbe causes rheumatic fever? Bordetella pertussis Corynebacterium diphtheria Streptococcus pyogenes Staphylococcus aureus

Answer 25

Streptococcus pyogenes

Question 26

Which microbe is responsible for whooping cough? Bordetella pertussis Rubella virus Streptococcus pyogenes Mycobacterium leprae

Answer 26

Bordetella pertussis

Question 27

What is the leading cause of STD in the United States? Escherichia Neiserria Treponema Chlamydia

Answer 27

Chlamydia

Question 28

Which of these hepatitis types are you most likely to get from contaminated food? Hepatitis D Hepatitis A Hepatitis C Hepatitis B

Answer 28

Hepatitis A

Question 29

What type of microbe causes syphilis? Firmicute Actinobacteria Spirochete Chlamydia

Answer 29

Spirochete

Question 30

The alteration of a virus due to accumulation of mutations is called what? Antigenic drift Gene conversion Phase variation Antigenic shift

Answer 30

Antigenic drift

Question 31

Which state has the highest incidence of Rocky Mountain spotted fever? Michigan Wyoming Tennessee Utah

Answer 31

Tennessee

Question 32

Animal disease that have been transmitted to humans is called what? Zoonosis Septicemia Bacteremia Mycosis

Answer 32

Zoonosis

Question 33

What is the biological vector for Rocky Mountain spotted fever? Dog tick Lice Flea Mosquito

Answer 33

Dog tick

Question 34

What is the most common form of anthrax? Cutaneous Pulmonary Gastrointestinal Sexually transmitted

Answer 34

Cutaneous

Question 35

Which of these is the most common carrier of rabies in Michigan? Bats Possums Dogs Deer

Answer 35

Bats

Question 36

What is the causative agent of bubonic plague? Bordetella pertussis Rickettsia rickettsia Yersinia pestis Staphylococcus aureus

Answer 36

Yersinia pestis

Question 37

What is the most common tick-borne disease in the United States? Rocky Mountain spotted fever Q fever Typhus Lyme disease

Answer 37

Lyme disease

Question 38

Which microbe causes gas gangrene? Clostridium tetani Clostridium perfringens Clostridium botulinum Clostridium sporogenes

Answer 38

Clostridium perfringens

Question 39

Which microbe causes lockjaw? Clostridium sporogenes Clostridium perfringens Clostridium botulinum Clostridium tetani

Answer 39

Clostridium tetani

Question 40

How is West Nile virus transmitted? Deer tick Body lice Fleas Mosquito

Answer 40

Mosquito