Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Microbiology,Parasitology,Public health > 2 > Flashcards

2 Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
0
Q

Microorganism which is most likely to grow in canned food

A

Obligate anaerobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Primary role of Lactobacilli in the adult vagina is to:

A

Maintain an acidic pH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q 
Which is not a heavy metal-containing disinfectant?
Chlorine
Merthiolate
Silver nitrate
Copper sulfate
A

Chlorine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Sweet and salty foods frequently don’t require refrigeration to prevent spoilage because

A

They have high solute concentration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which one of the following is a limitation of autoclave?
A. It will destroy a heat-labile materials
B. It lacks the ability to inactivate viruses
C. It cannot be used to sterilize glasswares
D. It cannot kill endospores

A

A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Used to prevention infection by killing or inhibiting microbial growth on inanimate objects

A

Disinfectant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Could be sterilized by dry heat sterilization

Rubber gloves
Glass pipettes
IV solutions
Plastic IV bags

A

Glass pipettes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

First widely used antiseptic and disinfectant

A

Phenol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Agents act by disrupting microbial cell membranes

A

Cationic detergents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

All of the ff are sporicidal except

A. Alcohol
B. Ethylene oxide
C. Formaldehyde
D. Glutaraldehyde

A

A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Bacterial proteins that can destroy other bacteria

A

Bacteriocins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Infection with potential to become active at some time

A

Latent

Subclinical- no signs and symptoms
Fulminant- rapidly progressive
Pyogenic- pus forming

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Enzyme that catalyzes the degradation of hydrogen peroxide to water and oxygen

A

Catalase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Enriched medium used to grow fastidious microorganisms

A

Blood
Yeast extract
Brain infusions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Process of disinfecting places and utensils used by the public

A

Sanitization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Chemical alternative to chlorine in disinfection of swimming pools and water containers

A

Bromine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

70% alcohol is more effective than pure alcohol as antimicrobial agent because

A

It containes 30% water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

True regarding iodophor
A. Slowly releases iodine
B. Long lasting and non-irritating
C. Iodine-containing organic compound

A

A B C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Technique combining freezing and drying commonly used to preserve microbes and other cells

A

Lyophilization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

MO that can survive in presence of oxygen

A

Aerobic microbe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Macroscopic cluster of cells appearing on solid medium, each arising from the multiplication of a single cell

A

Colony

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Enteric disease is the disease of the

A

Intestines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Hektoen enteric agar is used to culture _______

A

Shigella and Salmonella

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

“Classic” solid medium used to cultivate Mycobacterium species

A

Lowenstein Jensen Agar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Media most suitable for identifying Neisseria gonorrhae un a cervical swab

A

Thayer-Martin medium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Iron-binding compounds produced by bacteria to sequester iton from their host

A

Siderophores

Transferrin, Lactoferrin- human

26
Q

MOs that are ordinarily non-pathogenic or weakly pathogenic microbes but they cause primarily in an immunologically compromised patient

A

Opportunistic pathogen

27
Q

Serum enriched gelatin medium used for isolation of Leptospiral species

A

Fletcher’s medium

28
Q

Under ideal conditions, fermentation of one glucose molecule by a bacterium allowa s net gain of how many ATP molecules

A

2

29
Q

Complete aerobic oxidation of one molecule of glucose by a bacterium allows a net gain of how many ATP molecules

A

38

30
Q

Organisms preferentially may thrive in cold and icy waters

A

Psychrophiles

31
Q

True regarding a defined medium
A. The exact chemical composition of the medium is known
B. Agar is available as source of nutrients for microorganism
C. Blood and brain infusions may be added
D. Organic chemicals are excluded

A

A

32
Q

Test used to differentiate E.coli from Enteribacter aerogenes

A

IMViC test-Indole Methylred Vogues Prokauer Citrate

33
Q

Conditions which may result to an immunocompromised patient

Diabetes
Cancer
Alcoholism

A

All

34
Q

This stimulate the activity of neutrophils, do not protect the cell that secretes them, cause muscle aches,chills, and fever

A

Interferons

35
Q

Used to prevent infection by killing or inhibiting pathogen growth on animal tissues

A

Antiseptic

36
Q

Scientist who developed a procedure to heat wone at temperatues well below boiling to prevent spoilage of the wine

A

Pasteur

37
Q

Agar is part of the cell wall of which algal division

A

Rhodophyta- rhodo means rose/red

38
Q 
Methods of motility used by protozoa except
A. Gliding by slime secretion
B. Flagella
C. Pseudopodia
D. Cilia
A

A

39
Q

Phylum of protozoa being studied as biological control agents for certain insects

A

Microspora

40
Q

Systemic infection caused by MO multiplying in circulating blood

A

Septicemia

41
Q

Practice of principles or rules for promotion and maintenance of cleanliness and health

A

Hygiene

42
Q

Short period of time which is characterized by early mild symptoms of the disease like body aches and malaise

A

Prodromal period-2nd

Incubation-arrival of MO,early symptoms
Period of illness-3rd; signs and symptoms are particular
Preiod of convalescence-recovery

43
Q

Most antibiotics are isolated from

A

Soil microorganisms

44
Q

Most common method of collection of urine

A

Clean-catch method

45
Q 
Which of the following is not an acellular agent?
A. Viroid
B. Rickettsia
C. Virus
D. Prion
A

B

46
Q

Bacterium-infecting virus

A

Phage

47
Q

T/F

Viruses contain both DNA and RNA in specific proportions

A

F

48
Q

Complete virus

A

Virion

49
Q

Protein coat of virus

A

Capsid

50
Q

Dengue Hemorrhagic Fever is caused by

A

Flavivirus

51
Q

Associated with roseola infantum

A

Human Herpesvirus 6

52
Q

Most common nosocomial pathogen in pediatric wards

A

Resporatory Synctial Virus

53
Q

Acute infantile diarrhea is most commonly due to infection with

A

Rotavirus

54
Q

Nonenveloped virion

A

Rhinovirus

55
Q

Viral disease that has the shortest incubation period of 2days

A

Influenza

Hepatitis B-longest; 118days

56
Q

Associated with erythema infectiosum-5th disease

A

Parvovirus B19

57
Q

Viral RNA is replicated in the host cell:

A

Cytoplasmic matrix

58
Q

Itracellular structures formed during many viral infections which can directly disrupt cell structure

A

Inclusion bodies

59
Q

Virus which is always detectable after injection

A

Hepatitis B virus

60
Q

Virus associated with cervical cancer

A

Human papilloma virus

61
Q

Linked to Kaposi’s sarcoma-connective tissues

A

Herpes simplex virus 8

62
Q 
Cannot be used to identify a virus
A. Radioimmunoassay
B. Latex agglutination
C. Enzyme immunoassay
D. Ziehl-Neelsen stain
A

D

Microbiology,Parasitology,Public health (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions