Deck 10: Infectious Disease and Epidemiology

Question 1

How is TB transmitted between people?

A)Body fluids
B)Direct contact skin to skin
C)Direct injections
D)Airborne droplets

Answer 1

D

Question 2

A cohort control study is which step in the scientific method?

A)Hypothesis
B)Experiment
C)Analysis
D)Observation

Answer 2

B

Question 3

What kind of human pathogen does the mosquito carry?

A)Prion
B)Virus
C)Fungus
D)Bacteria

Answer 3

B

Question 4

Which of the following is an example of a viral disease?

A)Athlete's foot
B)Influenza
C)Mad cow disease
D)Yeast infection

Question 5

An in depth analyses of one patient is called:

A)a cohort study.
B)an outbreak investigation.
C)a pandemic.
D)a case study.

Question 6

Which of the following is a mode of action of antibiotics?

A)Prevention of bacterial invasion
B)Formation of a cell wall
C)Destruction of essential viral metabolic pathways
D)Blockage of DNA and RNA synthesis in bacteria

Question 7

Which of the following is a description of bacterial shape?

A)Chains of spheres
B)Twisted spheres
C)Chains of twisted rods
D)Cones

Question 8

The letter A in the illustration is best described as:

A)A dormant bacterial infection
B)A dormant viral infection
C)An active bacterial infection
D)An active viral infection

Question 9

What makes it difficult to control the pathogens shown in the figure?

A)Heat is ineffective against the pathogen shown.
B)Humans have this pathogen inside and outside of the body at all times.
C)Vaccines are challenged by the rapid evolution of the pathogens.
D)These pathogens are easily controlled.

Question 10

How does the WHO use the map shown here?

A)The map can be used to predict influenza outbreaks.
B)The map can be used to show where influenza is located.
C)The map indicates where case studies should be performed.
D)The map shows the best location for a new WHO office.

Question 11

Gram positive bacteria appear:

A)red.
B)pink.
C)clear.
D)purple.

Question 12

A disease outbreak where the disease is not traditionally found is called:

A)a paradigm
B)a pandemic
C)an epidemic
D)epidemology

Question 13

The major difference between prokaryotes and eukaryotes is:

A)prokaryotes have organelles and a nucleus while eukaryotes do not.
B)prokaryotes have unique mitochondria.
C)eukaryotes have organelles and a nucleus while prokaryotes do not.
D)prokaryotes, but not eukaryotes, can perform photosynthesis.

Question 14

Which of the following is a way bacteria become resistant to antibiotics?

A)Bacteria incorporate the antibiotic into the cell wall.
B)Bacteria use the antibiotic as an energy source.
C)Bacterium produces enzymes that destroy the antibiotic.
D)Bacterial flagella allow them to escape the antibiotic.

Question 15

What characteristic is used when classifying a bacterium as bacilli or spirochete?

A)Shape
B)Gram-stain
C)Size
D)Genetics

Question 16

Identify the pathogen in the picture.

A)Bacteria
B)Virus
C)Prion
D)Protist

Question 17

One use of 16S RNA is to:

A)identify bacteria.
B)identify viruses.
C)identify bacterial shape.
D)determine virulence.

Question 18

What is indicated by the fact that you are covered inside and out with bacteria?

A)Bacteria are taking over.
B)You are going to get sick.
C)Most bacteria are harmless and some are even helpful.
D)You are not clean.

Question 19

The United Nations works to vaccinate children in developing nations through:

A)epidemiology.
B)the Center for World Vaccination.
C)the Center for Disease Control and Prevention.
D)the World Health Organization.

Question 20

Europeans were assisted in their conquest of the Americas by:

A)the European paradigm.
B)the introduction of diseases to native populations.
C)cohort studies.
D)the scientific method.

Question 21

Looking at the transmission pattern is shown here,identify the virus that has caused one of the most frightening epidemics of the twenty first century.

A)Smallpox
B)HIV
C)Ebola
D)Influenza

Question 22

Shifts in global climate may trigger the next epidemic of _____ .

A)Influenza
B)Syphilis
C)Typhoid fever
D)Cholera

Question 23

Antibiotics are not as effective at treating bacterial disease as they once were because some strains of bacteria have evolved to resist the action of antibiotics.

Question 24

Prokaryotic cells are larger than eukaryotic cells.

Question 25

The WHO has plans to eradicate this virus using vaccination programs.

A)Polio
B)Measles and West Nile
C)TB and the plague
D)Polio and Measles

Question 26

Because there is no cure for AIDS,prevention is the key to controlling its spread.

Question 27

The plague has been eradicated in America thanks to the efforts of the WHO.

Question 28

Why has it been difficult to make a vaccine against HIV?

A)The vaccine is too expensive.
B)The vaccine is as dangerous to work with as HIV.
C)The protein coat of an infected cell always looks the same to the immune system.
D)The HIV virus mutates too quickly for a vaccine to be effective.

Question 29

One of the best precautions against infectious disease is handwashing.

Question 30

What is labeled A in this picture?

A)Host DNA
B)mRNA
C)Viral cDNA
D)Reverse transcriptase

Question 31

Which of the following is a way to contract HIV?

A)Unprotected vaginal intercourse
B)Visiting a hospital with HIV patients
C)Breathing the air of an infected person
D)Shaking hands with an infected person

Question 32

Antibiotic resistant MSRA is a serious health threat.

Question 33

What is happening in this picture?

A)HIV reverse transcriptase makes a cDNA copy of its genetic information from the viral RNA.
B)The virus attaches to the CD4 receptor of the cell.
C)The attached viral particle injects both viral RNA and reverse transcriptase into the host cell.
D)The host cell begins to manufacture more viral particles.

Question 34

Mad cow disease is caused by:

A)protists.
B)prions.
C)bacteria.
D)fungus.

Question 35

This virus,which causes flu-like symptoms,can attack the nervous system.

A)Measles
B)Ebola
C)Polio
D)Hantavirus

Question 36

Most bacteria on earth cause human disease.

Question 37

What is the only virus thus far successfully eradicated from the human population?

A)Pneumonia
B)Herpes
C)Smallpox
D)Polio

Question 38

What is AIDS?

A)A series of symptoms associated with a long-term infection by a virus
B)An Incredibly Destructive Subcutaneous fungus
C)A bacterial disease
D)A fungal infection

Question 39

The flea is the vector for which bacterial disease?

A)TB
B)MRSA
C)Plague
D)AIDS

Question 40

Why are fungal infections difficult to treat?

A)Fungi have become resistant to antibiotics.
B)Fungi use antibiotics as a fuel source and overgrow.
C)Human and fungal cells are similar.
D)Human and fungal cells are different.

Question 41

Amoebic dysentery is caused by a prion.