Download Spring 2008 - Antelope Valley College

BIOLOGY 204
GENERAL MICROBIOLOGY
INSTRUCTOR: Dr A. Hemsley
THEORY TEST 5
ANTELOPE VALLEY COLLEGE
SPRING 2008
100 POINTS
STUDENT NAME: ___________________________________
STUDENT I.D. NUMBER: _____________________________
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Perusal time = 10 minutes
Test time = 105 minutes
ANSWER ALL QUESTIONS
Read ALL questions carefully during perusal time, you may write if you wish.
Use the back of each sheet if you do not have enough writing space, but please label each answer.
Question subheadings are NOT of equal points value.
Points allocated for each subheading are shown at the end of the question.
GOOD LUCK!
QUESTION 1 (Total =10 points)
Match entries in the left column with answers from the lettered choices in the right column. Write your letter
choice to the far left of each question in the spaces provided. Use each answer only ONCE.
(1 Point per
correct pair)
_____ 1.
_____ 2.
Disinfection process that is used in drinking water purification
Using microbes to metabolize toxic materials released into the
environment
a.
Methane
b.
Anaerobic
_____ 3.
Example of hard cheese type
c.
Carbon
dioxide
_____ 4.
Additional sewage treatment in environmentally sensitive zones
d.
Camembert
_____ 5.
Type of bacteria used to degrade sludge in sewage treatment
e.
Bioremediation
_____ 6.
Genus of bacteria commonly used in secondary sewage treatment f.
_____ 7.
Gaseous energy source derived from sludge treatment
Ricotta
g.
Ozonation
_____8.
Gas produced in sewage liquid treatment
h.
Tertiary
_____ 9.
Example of a soft cheese
i.
Zooglea
_____ 10.
Immature cheese
j.
Cheddar
page 1
QUESTION 2 (Total =10 points)
Provide definitions or explanations for the following terms (2 points per definition)
BIOFILMS
ACTIVATED SLUDGE
MALT PRODUCTION
ASEPTIC PACKAGING
PRIMARY METABOLITE
page 2
QUESTION 3 (Total =20 points)
A.
Outline the steps involved in wine production ?
(5)
B.
What happens in the manufacture of cottage cheese?
(5)
C.
Describe the features of a fecal coliform
D.
List the steps performed in the treatment of sewage water
(5)
(5)
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QUESTION 4 (Total =20 points)
A.
DISEASE: IMPETIGO OF THE NEWBORN
(i)
Name the organism that causes this disease
B.
C.
D.
(ii)
What is one reason why this disease breaks out in hospital wards??
(iii)
Name one strategy which could minimize this danger within the hospital
(iv)
What is the treatment for this condition?
DISEASE: CANDIDIASIS
(i)
Name the organism that causes this disease
(ii)
Name 2 portals of entry for the microbes
(iii)
What source maintains these microbes within our communities?
(iv)
What is the treatment for this disease?
DISEASE: GAS GANGRENE
(i)
Name the organism that causes this disease
(ii)
How is the disease contracted?
(iii)
What are the symptoms, and what causes these symptoms?
(iv)
What is the treatment for GAS GANGRENE?
(6)
(6)
(6)
The rabies virus has an unusual property that assists in treatment. What is this property, and what
treatment can be given because of this property?
(2)
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QUESTION 5 (Total =20 points)
Fill in the blanks in the following sentences. (1 point per correct sentence)
1.
An example of a semi-soft cheese is ____________________________.
2.
The most commercially significant genus of bacteria in the cheese manufacturing industry is
____________________________.
3.
One food preservation method considered “modern” is ____________________________.
4.
A historical example of food preservation is ____________________________.
5.
Bacteria that survive and grow in canned goods subjected to high heat levels can cause
____________________________ food spoilage.
6.
Two examples of foods that may be processed by pasteurization are ____________________________
and ____________________________.
7.
Meningitis caused by BACTERIA is ______________ ______________than meningitis caused by
VIRUSES.
8.
One of the 3 most common genera of bacteria that cause meningitis is_______________________.
9.
____________________________is one of the 2 most common genera of bacteria causing skin and wound
infections.
10.
Two features of the skin that discourage bacterial growth are ____________________________ and
____________________________.
11.
Impetigo in school age children is caused by __________________________.
12. Toxic shock syndrome is a result of toxic septicemia caused by the bacterial species
_____________________________.
13.
The most common Streptococcus subgroup causing human infections is the ______________________.
14.
A genus of soil bacteria that may cause ear infections and respiratory disease in burn victims is
____________________________.
15.
____________________________ is a recurrence of chickenpox in later life .
16.
The fungi that cause the skin disorders known as tineas primarily feed off the skin protein
____________________________ .
17.
________________ __________________ is a fungus that may cause subcutaneous infections in gardeners
and agricultural workers. (species)
18.
____________________________ is the only disease human health programs have eradicated globally .
19.
One bacterial genus that causes serious eye infections is _______________________.
20.
_____________________________ is the bacterial species that causes Hansen’s disease.
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QUESTION 6 (Total =20 points)
A. Sarah attended the July 4th picnic and social event organized by her church last year. She had a good time
and while she was there she ate devilled eggs, clam chowder and a piece of pie covered with a homemade
custard topping. During the evening, she was disturbed by vomiting and diarrhea. Her symptoms
persisted for several days, after which she recovered.
Name two microbes that might have made her ill. Explain why you think so.
(5)
She is planning to attend the picnic this year as well. What advice would you give to her or to the picnic
organizers to ensure a healthier experience?
(5)
C.
List the five most significant pieces of information you have gained from this Microbiology class and how
they will help you in your career or at home. Please do not use the answers to questions from this test!
(10)
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