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3. BMS191 - Microbiology Practice Quiz

Total questions: 64

Worksheet time: 2hrs 20mins

Name
Class
Date
1.

What is the Definition of Microbiology?

a)

The study of all living organisms that are visible to the naked eye

b)

The study of all nonliving organisms that are too small to be visible with the naked eye

c)

The study of all living organisms that are too small to be visible with the naked eye

d)

The study of all nonliving organisms that are too large and can be seen with the naked eye

2.

Which of the following isnt TRUE about Microbes?

a)

Microorganisms too small to be seen by the human eye (without microscope)

b)

Microbes are everywhere!

c)

Make up the most numerous organisms in the world

d)

Microbes are harmful not beneficial

3.

What is definition of Normal Flora?

a)

Different types of bacteria and fungi that inhabit your body causing a disease state

b)

Only different types of bacteria and fungi that inhabit your body without causing a disease state

c)

Different types of bacteria and fungi that inhabit your body without causing a disease state

d)

Only different types of fungi that inhabit your body without causing a disease state

4.

What is the name of the Staining Technique we used in this experiment?

a)

Gramham Stain Technique

b)

Normal Stain Technique

c)

Bacteria Stain Technique

d)

Gram Stain Technique

5.

Infection and disease are caused by microorganisms called pathogens.

a)

True

b)

False

6.

Viruses cannot reproduce unless they are within another cell.

a)

True

b)

False

7.

Microorganisms that require oxygen to live

a)

pathogen

b)

nonpathogen

c)

anaerobic

d)

aerobic

8.
Bacteria are unicellular
a)
True
b)
False
9.
Describe the three ways bacteria reproduce.
a)
binary fission, conjugation, forming endospores
b)
binary fission, budding, forming endospores
c)
conjugation, sexual and forming endospores
d)
they cannot reproduce
10.
Cells that have a true nucleus are called....
a)
eukaryotes
b)
prokaryotes
c)
unicellular
d)
multicellular
11.

What are Similarities between Prokaryotic cells & Eukaryotic cells? Select all that apply?

a)

Methods of reproduction by cell division, binary fission, mitosis, or meiosis

b)

Presence of DNA and RNA for protein synthesis

c)

Cellular metabolism organized in specific metabolic pathways

d)

Responses to external and internal stimuli to changes in temperature, pH, and nutrient levels

e)

has Phospholipid bilayer, with proteins, lipids, and carbohydrates

12.

Peptidoglycan chains provide the basis for gram staining; which has a THIN layer

a)

Gram-negative staining

b)

Gram-positive staining

c)

Gram-neutral staining

13.

What epidemiological term describes the number of NEW cases of a disease or event in a specific population?

a)

incidence

b)

risk

c)

monitoring

d)

mortality

14.

What epidemiological term describes the number of times a condition occurs in relation to the total number of people?

a)

incidence

b)

prevalance

c)

monitoring

d)

surveillance

15.

What epidemiological term describes the number of cases of a specific disease in a specific period of time per unit of population?

a)

incidence

b)

morbidity

c)

monitoring

d)

mortality

16.

What epidemiological term describes the measurement of the number of deaths per 1,000 in a given population

a)

incidence

b)

morbidity

c)

monitoring

d)

mortality

17.

carrier

a)

someone who acts as a vector for the infection but does not get infected themselves

b)

someone who gets sick and infects others

c)

an object that holds the infectious agent

18.

The five principal modes of transmission of infectious diseases are contact, droplets, airborne, vehicular, vector.

a)

True

b)

False

19.

Which one of these terms is part of the chain of infection?

a)

Portal of exit

b)

Mode of transmission

c)

Portal of transmission

d)

Reservoir

20.

A healthcare associated infection is one that is acquired outside of a healthcare facility.

a)

True

b)

False

21.
What do viruses need to reproduce?
a)
they need genetic material
b)
They need a host cell
c)
They need  bacteria
d)
They need insulin
22.
What does the word “transmitted” mean?
a)
spoken
b)
thrown
c)
spread
d)
read
23.
An organism with only one cell is called ________________________________.
a)
multi-celled
b)
duracell
c)
single-celled
d)
slow
24.
Prokaryotes (bacteria) reproduce asexually via -
a)
spore formation
b)
bud creation
c)
vegetative propagation
d)
binary fission
25.
Viruses are...
a)
prokaryotic
b)
eukaryotic
c)
non-living
d)
endospores
26.
When a virus invades a living cell, its _______
takes over the cell's functions.
a)
outer coat
b)
genetic material
c)
core
d)
cytoplasm
27.
What part of the virus is number 1?
a)
Capsid
b)
DNA
c)
Surface Markers
d)
Envelope
28.
What part of the virus is number 2?
a)
Capsid
b)
DNA
c)
Surface Markers
d)
Envelope
29.
What part of the virus is number 3?
a)
Capsid
b)
DNA
c)
Surface Markers
d)
Envelope
30.
What part of the virus is number 4?
a)
Capsid
b)
DNA
c)
Surface Markers
d)
Envelope
31.
What is the purpose of surface marker on a virus
a)
As defense.
b)
They provide structural support.
c)
To allow the virus to move.
d)
To attach to the host cell.
32.

Algae are similar to plants, yet they don't have _____

a)

Roots

b)

Flowers and Fruits

c)

Stem

d)

Leaves

33.

Which one of the following statements about fungi is true?

a)

All fungi are unicellular

b)

All fungi are eukaryotic

c)

All fungi are autotrophic

d)

Most fungi are anaerobic

e)

Most fungi are pathogenic to humans

34.

Transmission of helminthic diseases to humans is usually by:

a)

Respiratory route.

b)

Genitourinary route.

c)

Gastrointestinal route.

d)

Vectors.

e)

All of these.

35.
Microbiology is NOT the study of 
a)
human health
b)
bacteria
c)
viral outbreaks
d)
parasites
36.
A disease causing organism
a)
pathogen
b)
poison
c)
vaccine
37.

Diseases that are always present in a community, usually at a low, more or less constant, frequency are classified as having an ____________ pattern.

a)

Epidemic

b)

Endemic

c)

Pandemic

d)

Outbreak

38.

An epidemic that becomes unusually widespread and even global in its reach is referred to as a _________________ .

a)

pandemic

b)

epidemic

c)

Endemic

39.

Dengue fever infects between 50 to 100 million people each year in countries all over the world. What is the term use for dengue fever?

a)

outbreak

b)

pandemic

c)

epidemic

d)

endemic

40.
Area where the causative agent can live 
a)
mode of transmission
b)
portal of exit
c)
reservoir
d)
portal of entry
41.
Way that causative agent transmits to another host
a)
portal of entry
b)
portal of exit
c)
reservoir
d)
mode of transmission
42.
Pathogen that causes disease
a)
portal of exit
b)
susceptible host
c)
causative agent
d)
portal of entry
43.
way for causative agent to escape the reservoir
a)
portal of entry
b)
portal of exit
c)
reservoir
d)
causative agent
44.
person who gets a disease because of weak defenses
a)
causative agent
b)
susceptible host
c)
reservoir
d)
portal of entry
45.
infection acquired while body defenses are weak
a)
nosocomial
b)
opportunistic 
c)
direct
d)
indirect
46.
way for the causative agent to enter a new reservoir
a)
portal of entry
b)
portal of exit
c)
direct
d)
indirect
47.
How many links are in the Chain of Infection?
a)
10
b)
5
c)
12
d)
6
48.
All are ways to break the Chain of Infection except?
a)
Handwashing
b)
Sterilization
c)
Disinfection
d)
Reusing gloves
49.
The purpose of infection control is to:
a)
remind all staff to wear gloves.
b)
encourage good handwashing.
c)
disrupt the chain of infection.
d)
isolate patients with diseases.
50.
Identify the part(s) of the chain of infection that has been eliminated by the following actions:  recognition of high-risk patients
a)
source or reservoir
b)
susceptible host
c)
mode of tranmission
51.
Identify the part(s) of the chain of infection that has been eliminated by the following actions:  employee health
a)
source or reservoir
b)
susceptible host
c)
infectious agent
52.
Identify the part(s) of the chain of infection that has been eliminated by the following actions:  sterilization
a)
source or reservoir / mode of transmission
b)
portal of entry / portal of exit
c)
mode of transmission / infectious agent
53.
Identify the part(s) of the chain of infection that has been eliminated by the following actions: personal protective equipment
a)
source or reservoir
b)
portal of exit
c)
portal of entry
54.
Identify the part(s) of the chain of infection that has been eliminated by the following actions:  pathogen leaving the body through sexual secretions
a)
portal of exit
b)
portal of entry
c)
mode of transmission
55.
Identify the part(s) of the chain of infection that has been eliminated by the following actions:  identification of organisms
a)
portal of exit
b)
infectious agent
c)
portal of entry
56.
Identify the part(s) of the chain of infection that has been eliminated by the following actions:   handwashing
a)
susceptible of host
b)
mode of transmission
c)
portal of entry
57.
Identify the part(s) of the chain of infection that has been eliminated by the following actions:  Catheter care
a)
mode of transmission
b)
portal of exit
c)
portal of entry
58.

Complete destruction of all microorganisms on a surface can be achieved by

a)

antisepsis.

b)

disinfection.

c)

sterilization.

d)

sanitization.

59.
What process destroys pathogenic organisms but is not always effective against spores and viruses?
a)
sterilization
b)
disinfection
c)
antisepsis
d)
contamination
60.
Chemical germicides formulated for use on skin, registered and regulated by the FDA
a)
disnfectants
b)
antiseptics
c)
cocci
d)
sterilization
61.
Chemical products that destroy all bacteria, fungi, and viruses (but not spores) on surfaces
a)
disinfectants
b)
antiseptics
c)
toxins
d)
sterilization
62.

A disinfectant is normally used on the skin.

a)

True

b)

False

63.

If a microbial control method changes the bonds that determine the tertiary structure of a microbe, what method of action has taken place?

a)

Inhibit synthesis of proteins and nucleic acids

b)

Disrupt cytoplasmic membrane

c)

Damage to cell wall

d)

Alter function of proteins and nucleic acids

64.

_______ kills by disrupting cell membrane functions, denaturing proteins, and inactivating nucleic acids.

a)

Refrigeration

b)

Freezing

c)

Heat

d)

Radiation