Download Fall 2005 - Antelope Valley College

BIOLOGY 204
GENERAL MICROBIOLOGY
INSTRUCTOR: Dr A. Hemsley
ANTELOPE VALLEY COLLEGE
FALL 2005
THEORY TEST 5
100 POINTS
STUDENT NAME: ___________________________________
STUDENT I.D. NUMBER: _____________________________
•
•
•
•
•
•
•
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. Disinfection process that is used in drinking water purification
a.
Methane
_____ 2. Using microbes to metabolize toxic materials released into the
environment
b.
Anaerobic
_____ 3. Indicator organisms for fecal contamination of drinking water
c.
Carbon
dioxide
_____ 4. Additional sewage treatment in environmentally sensitive zones
d.
Rennin
_____ 5. Type of bacteria used to degrade sludge in sewage treatment
e.
Bioremediation
_____ 6. Genus of bacteria commonly used in secondary sewage treatment
f.
Monosaccharides
_____ 7. Gaseous energy source derived from sludge treatment
g.
Ozonation
_____8. Gas produced in sewage liquid treatment
h.
Tertiary
_____ 9. Enzyme used in the first stage of cheese manufacture
i.
Zooglea
_____ 10. Carbon source used by yeast in brewing
j.
Coliforms
page 1
QUESTION 2 (Total =10 points)
Provide definitions or explanations for the following terms (2 points per definition)
EUTROPHICATION
FLOCCULATION
INDICATOR ORGANISM
COMMERCIAL STERILIZATION
IMMOBILIZED ENZYMES
page 2
QUESTION 3 (Total =20 points)
A.
What happens during PRIMARY treatment of sewage?
B.
What happens during TERTIARY treatment of sewage?
(5)
C.
Why are different bacteria used for secondary sewage treatment and sludge treatment?
(5)
D. What is one benefit and one disadvantage of using the sludge degradation bacteria in use today?
(5)
(5)
page 3
QUESTION 4 (Total =20 points)
A.
B.
C.
D.
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)
DISEASE: STREPTOCOCCAL PHARYNGITIS
(i)
Name the organism that causes this disease
(ii)
How is the disease contracted?
(iii)
Name one method used for diagnosis of this disease
(iv)
What is the treatment for this disease?
DISEASE: SEPTICEMIA
(i)
Name ONE organism that causes this disease
(ii)
How can this disease be contracted?
(iii)
What are the symptoms, and what causes these symptoms?
(iv)
What is the treatment for septicemia?
(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)
page 4
QUESTION 5 (Total =20 points)
Fill in the blanks in the following sentences. (1 point per correct sentence)
1.
In the brewing industry, grain is sprouted and roasted to produce ____________________________.
2.
The most commercially significant genus of yeast in the alcoholic beverage industry is
____________________________.
3.
One food preservation method that retains original food flavor 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 viruses is ______________ ______________than meningitis caused by bacteria (2
words).
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.
A skin disorder in babies characterized by thin walled vesicles that rupture and crust over is
____________________________.
12.
Toxic shock syndrome is a result of toxic septicemia caused by the bacteria ____________________________ .
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.
A fungal skin disease is known as a ____________________________ .
16.
The fungi that cause the skin disorders known as tineas primarily feed off the skin protein
____________________________ .
17.
___________________________ is the name of a fungus that may cause overwhelming systemic
infections in immunocompromised hosts.
18.
____________________________ is the only disease that human health programs have managed to
eradicate .
19.
One bacterial genus that causes serious eye infections is _______________________.
20.
_____________________________ is the bacterial species that causes tetanus.
page 5
QUESTION 6 (Total =20 points)
A.
B.
Name the bacteria responsible for causing stomach ulcers.
What treatment is given to patients who are diagnosed with this condition?
C.
(2)
(3)
Sandra attended her church social on an unusually warm July 4 th. While at the picnic, she ate a seafood
salad, devilled eggs, a hotdog and a dessert plate that included custard pie and cheesecake. That evening
she was feeling nauseous and experienced vomiting and diarrhea for a few days.
Name 2 foods that may have caused her illness and the microbes which are possibly associated with the food
poisoning?
D.
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)
page 6