
SCI 250 Week 7 Final Exam
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SCI 250 Entire Course Link
https://uopcourses.com/category/sci-250/
**********************************************
SCI 250 Week 7 Final Exam
Complete the final exam. The final exam will be provided
by your instructor.
SCI250 Week 7 Final Examination –
each question worth .5 point (20 questions x .5 point totals 10 points)
20/20
Correct
Section:
Multiple Choice
1.
Which
of the following is NOT true of microorganisms?
2.
Which
of the following is NOT one of the phases of bacterial growth?
3.
Which
of the following is NOT a differential stain?
4.
In
a properly executed Gram stain, Gram positive organisms appear ______ while
Gram negative organisms appear ______
5.
Classification
is necessary to _________
6.
An
organism that lives at the expense of another organism is a ________
7.
Undercooked
pork is most likely to pass along ________
8.
Arthropods
are responsible for transmitting _____ pathogens.
9.
All
of the following are true of the relationship between microorganisms and
diseases EXCEPT:
10.
Which
of the following represents the correct order of steps in a typical viruses
replication cycle?
11.
What
special group of chemical substances are used to treat diseases by microbes?
12.
Which
of the following is NOT considered a mode of action by antimicrobial agents?
13.
All
of the following characteristics are components of nonspecific host defenses
EXCEPT:
14.
What
name is given to a substance that is recognized by the body as foreign and
normally produces an immune response?
15.
There
are a number of different species that can live on the skin as resident
microflora. Which of the following is NOT considered resident microflora of the
skin?
16.
Defense
mechanisms in the urogenital system are numerous and include ________
17.
Food
poisoning can be caused by a variety of microbes. Which of the following pairs
is incorrect?
18.
Group
B Streptococcal disease include ________
19.
In
closed environments, such as military bases, dormitories, and day-care centers,
90% of the population can be carriers of this organism, yet only 1 per 1000
develops the meningitis. What is the etiology?
20.
Food
contamination occurs as a result of ________
SCI 250 Entire Course Link
https://uopcourses.com/category/sci-250/
**********************************************
SCI 250 Week 7 Final Exam
Complete the final exam. The final exam will be provided
by your instructor.
SCI250 Week 7 Final Examination –
each question worth .5 point (20 questions x .5 point totals 10 points)
20/20
Correct
Section:
Multiple Choice
1.
Which
of the following is NOT true of microorganisms?
- They
produce antibiotics. - They
are used in the production of many types of food and beverages. - They
decompose dead animals. - They
all cause disease in humans.
2.
Which
of the following is NOT one of the phases of bacterial growth?
- lag
phase - stationary
phase - doubling
phase - log
phase
3.
Which
of the following is NOT a differential stain?
- Gram
stain - Schaeffer-Fulton
- acid-fast
stain - flagellar
stain
4.
In
a properly executed Gram stain, Gram positive organisms appear ______ while
Gram negative organisms appear ______
- pink,
clear. - pink,
purple. - purple,
pink. - purple,
blue.
5.
Classification
is necessary to _________
- establish
criteria for identifying organisms. - arrange
related organisms into groups. - provide
information about how organisms evolved. - All
of the above
6.
An
organism that lives at the expense of another organism is a ________
- host.
- commensal.
- parasite.
- symbiont.
7.
Undercooked
pork is most likely to pass along ________
- Schistosoma.
- Tania.
- Wuchereria.
- Trichinella.
8.
Arthropods
are responsible for transmitting _____ pathogens.
- viral
- bacterial
- protozoan
- viral,
bacterial, and protozoan
9.
All
of the following are true of the relationship between microorganisms and
diseases EXCEPT:
- Sickle
cell anemia patients are resistant to malaria. - Bacterial
infections can lead to endocarditis. - Viral
infections invariably lead to nutritional deficiency. - Infections
in the brain can result in mental disease.
10.
Which
of the following represents the correct order of steps in a typical viruses
replication cycle?
- Maturation,
adsorption, penetration, release - Adsorption,
penetration, release, maturation - Adsorption,
penetration, synthesis, maturation - Adsorption,
penetration, maturation, synthesis
11.
What
special group of chemical substances are used to treat diseases by microbes?
- Antibiotics
- Synthetic
drugs - Semi-synthetic
drugs - Antimicrobial
agents - Chemotherapeutic
agents
12.
Which
of the following is NOT considered a mode of action by antimicrobial agents?
- Action
as an antimetabolite - Inhibition
of protein synthesis - Inhibition
of cell wall sysnthesis - Inhibition
of membrane permeability - Disruption
of selective toxicity
13.
All
of the following characteristics are components of nonspecific host defenses
EXCEPT:
- Fever
- Mucus
- Antibodies
- Interferon
- Inflammation
14.
What
name is given to a substance that is recognized by the body as foreign and
normally produces an immune response?
- Antibody
- Antigen
- Agglutinin
- Antitoxin
- Apoptosis
15.
There
are a number of different species that can live on the skin as resident
microflora. Which of the following is NOT considered resident microflora of the
skin?
- Staphylococcus
- Corynebacterium
- E.
coli - Demodex
- All
of the above
16.
Defense
mechanisms in the urogenital system are numerous and include ________
- normal
flora complete with opportunists. - sphincter
muscles. - flushing
action of fluids. - low
pH. - All
of the above
17.
Food
poisoning can be caused by a variety of microbes. Which of the following pairs
is incorrect?
- Clostridium
botulinum — enterotoxin which is heat liable - Staphylococcus
aureus — enterotoxin which is heat stable - Pseudomonas
cocovenenans — bongkrek disease - Bacillus
cereus — toxin is an emetic - Clostridium
perfringens — enterotoxin and wound infection
18.
Group
B Streptococcal disease include ________
- early
onset neonatal sepsis and meningitis. - late
onset neonatal meningitis. - etiology
is Streptococcus agalactiae - All
of the above - Only
A and C
19.
In
closed environments, such as military bases, dormitories, and day-care centers,
90% of the population can be carriers of this organism, yet only 1 per 1000
develops the meningitis. What is the etiology?
- Neisseria
meningitidis - Haemophilus
influenzae - Haemophilus
influenzae - Streptococcus
pneumoniae - Listeria
monocytogenes
20.
Food
contamination occurs as a result of ________
- unsanitary
practices by food handlers. - improper
storage. - importation.
- All
of the above - Only
A and B
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