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[HS 202] E3 (Microbiology and Parasitology + BPS) > Samplex 2017 > Flashcards

Samplex 2017 Flashcards

1
Q

Smallest living cell?

a. Virus
b. Bacteria
c. Fungi
d. Protozoan

A

B

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2
Q

Nuclear region of bacteria

a. Nucleus
b. Mesosomes
c. Nucleoid
d. Nuclear membrane

A

C

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3
Q

What type of microorganism has only molecular oxygen as the final electron acceptor?

a. Obligate aerobe
b. Obligate anaerobe
c. Strictly anaerobe
d. Facultative anaerobe

A

A

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4
Q

Bacteria that grows as temperature as high as 500 C to 550 C

a. Psychotrophs
b. Thermotrophs
c. Thermophiles
d. Psychrophiles

A

C

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5
Q

Primary used stain for Gram stain

a. Crystal violet
b. Lugol’s iodine
c. Carbofuschin
d. Safranin

A

A

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6
Q

If the culture of Staphylococcus were prepared several days ago, what would be the appearance in Gram’s stain?

a. Purple
b. Light purple
c. Pink
d. Rainbow

A

C

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7
Q

What stage of growth is there slow loss of cells through death that is just balanced by the formation of new through growth and division?

a. Decline
b. Lag
c. Maximal stationary
d. Exponential

A

C

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8
Q

Which layer of the endospores outer covering/coat is the germ cell layer?

a. Exosporium
b. Thick Cortex
c. Spore membrane
d. Inner core

A

C

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9
Q

Which statement best describes fimbriae?

a. Most Gram positive bacteria have a set of fimbriae
b. Also known as “common pili”
c. Larger than flagella
d. Facilitates transfer of genetic material

A

B

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10
Q

Which of the following is true about endotoxin?

a. Commonly referred to as lipopolysaccharide
b. Mostly produced by Gram positive bacteria
c. Staphylococcus aureus produces it
d. Are heat labile compared to heat stable exotoxins

A

A

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11
Q

Some bacteria have protein thread-like appendage called flagella. Which of the following statements is correct?

a. Flagella is found exclusively in Gram negative bacteria.
b. The flagella is affixed to the bacteria by a basal body.
c. The flagella is composed of repeating polysaccharide units called flagellin.
d. The bacteria and its flagellin are seen in Gram stain.

A

B

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12
Q

One of the distinguishing features of prokaryotes is its ability to exhange genetic information. Which of the following aids the transfer?

a. Cell wall
b. Surface glycoprotein
c. Adherins
d. Plasmid

A

D

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13
Q

The process of passing the DNA (from) one bacterium to another in a bacteriophage and incorporated into the recipient’s DNA is

a. Transduction
b. Conjugation
c. Transformation
d. Transcription

A

A

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14
Q

Which of the following regarding bacteria DNA is correct?

a. It contains histone proteins
b. It is only single-stranded
c. It is a single circular loop
d. Bacteria only has 4 chromosomes

A

C

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15
Q

Cluster of polar flagella

a. Amphitrichous
b. Monotrichous
c. Peritrichous
d. Lophotrichous

A

D

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16
Q

Bacterial cell wall are composed of peptidoglycan. What is the other name of this compound?

a. N-acetyl muramic acid
b. N-acetyl glucosamine
c. Murein mucopeptide
d. Mesodiaminopimetic acid

A

C

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17
Q

What is periplasm?

a. Area between outer and inner cell membranes in Gram positive bacteria
b. Area between outer and inner cell membranes in Gram negative bacteria
c. Area outside the cell membrane exposed to environmental conditions
d. Area within the plasma membrane

A

B

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18
Q

In the growth curve, which is associated with the lag phase?

a. Period of initial adjustment
b. Transitional period
c. Generation time
d. Period of no activity

A

A

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19
Q

Who proposed the 5-kingdom classification?

a. Koch
b. Whittaker
c. Jenner
d. Pasteur

A

B

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20
Q

Which of the following is absent in Gram positive bacterium?

a. Cytoplasm
b. Lipopolysaccharide
c. Phospholipid bilayer
d. Penicillin binding protein

A

B

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21
Q

The bacteria contain pores to alter the passage of nutrients into the cell. Where are the porins located?

a. Outer membrane of Gram negative bacteria
b. Thick peptidoglycan layer of Gram positive bacteria
c. Plasma membrane of bacterium
d. Nuclear area of bacterium

A

B

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22
Q

Microorganisms have characteristics that differentiate them. Which is correct?

a. DNA and RNA are both in virus
b. Fungi and bacteria have peptidoglycan in the cell wall
c. Bacteria and fungi undergo binary fission
d. Virus has independent metabolism activity

A

C

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23
Q

Bacterial cell membrane is composed of a phospholipid bilayer. Which statement is true?

a. Basic structure of cell membrane contains proteins usually sterols
b. Membrane has roles in synthetic, secretory, electron transport processes
c. Cell membrane is not functional comparable to many eukaryotic organelle
d. Cell membrane of Gram positive and Gram negative are different in composition

A

B

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24
Q

Enzyme used by aerobic bacteria to break down toxic forms of oxygen?

a. Coagulase
b. Peroxidase
c. Hyaluronidase

A

B

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25
Q

Which of the following organisms are associated with pili?

a. Virus
b. Fungi
c. Gram positive bacteria
d. Gram negative bacteria

A

D

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26
Q

How are fungi different from bacteria?

a. Fungi are prokaryotic with true nucleus, 80s ribosomes, mitochondria and ER.
b. Bacteria are prokaryotes, no true nucleus, 70s ribosomes, and no ER.
c. Both fungi and bacteria contain cell wall and cell membrane contain sterols.
d. Fungi are eukaryotic with true nucleus and 50s and 30s ribosomes.

A

B

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27
Q

Difference between mold and yeast?

a. Parasitic phase is mold phase.
b. Yeast are single-celled and reproduce by budding.
c. Both have pseudohyphase and blastoconidia.
d. Molds are filamentous and grow by branching pseudohyphae.

A

B

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28
Q

Sabouraud’s dextrose agar is used to culture fungi because

a. Low pH does not allow bacteria to grow
b. High dextrose does not allow bacteria to grow

A

A

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29
Q

Which of the following situations that allow fungal microogranisms to be introduced into the host would not result in dermatophyte infection?

a. Playing with cat
b. Playing in soil
c. Inhailing conidia
d. Walking on soil
e. Sharing a towel

A

C

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30
Q

Dermatophyte infection

a. No chronic
b. Keratinized
c. Diffused alveolar

31
Q

Which fungal elements is not normally found in the host’s body?

a. Reproductive mycelium
b. Vegetative
c. Yeast
d. Cyst

32
Q

[T/F] Yeast are unicellular and fungi are filamentous

33
Q

[T/F] A mass of intertwined hyphal elements is called a mycelium.

34
Q

[T/F] Conidia are specialized nonmotile structures with asexual spores formed from hyphal wall.

35
Q

[T/F] Fungi can also have sexual sporulation

36
Q

[T/F] Asexual fungi are medically significant fungi.

37
Q

[T/F] Dimorphic fungus exist as yeast during sapropobic phase.

38
Q

[T/F] The sequence of monosaccharides make up the prokaryotic DNA.

39
Q

[T/F] Plasmids are RNA chromosomes that encode for antibiotic resistance.

40
Q

[T/F] Antibacterial capsule is a major virulence characteristic of bacteria.

41
Q

[T/F] Viruses are destroyed by heat but they can thrive in adverse environments if they are naked.

42
Q

A 7 year old stumbled on wood with protruding nail. He got fever due to infected wound. What type of immunity was developed?

a. innate
b. natural active
c. artificial
d. natural passive

43
Q

Volunteer got leptospirosis during habagat, what did he develop?

a. innate, inborn immunity
b. natural, active, specific/adaptive immunity
c. artificial, active, specific/adaptive immunity
d. natural, passive, specific/adaptive immunity
e. artificial, passive, specific/adaptive immunity

44
Q

What immunity does a baby gain when his mother have him vaccinated with BCG, etc.?

a. Inborn/innate immunity
b. natural active specific immunity
c. natural passive specific immunity
d. acquired active specific immunity
e. acquired passive specific immunity

45
Q

Which type of immunity is manifested by a healthy person infected by intracellular bacteria and/or fungi?

a. Humoral cell response
b. Cytotoxic T-cell response and mainly cells of the innate, inborn, non-specific immunity
c. Classical component cascade pathway
d. Alternative complement pathway

46
Q

Which are mainly involved in elimination of extracellular bacteria?

a. Antibodies
b. Cytotoxic T cells
c. Helper T cells
d. Natural killer lymphocytes/LGL

47
Q

For viruses, CMIR is the major immunity activated to eliminate the pathogen, which of the following is/are the evasive mechanisms/s used by viruses to evade the immune system?

a. Masking of the surface antigen
b. Sialic acid content recognized by immunocompetent cells as “self” since cells have sialic component
c. Release of protease and other enzymes
d. Phase variations of antigen

48
Q

Hypersensitivity Type I

a. CD
b. IL 6, 8, 10
c. IgA
d. IgE

49
Q

Synthesis of antibodies activated by lymphokines.

a. Cytotoxic T-cells
b. T helper 1 cells
c. T helper 2 cells
d. T repressor cells

50
Q

Effectors of mucosal immunity?

a. Alpha beta T and IgA
b. Alpha beta T and IgE
c. IgG and IgE
d. Gamma delta and IgE
e. Gamma delta and IgA

51
Q

Structural unit of viral capsid

a. Capsomere
b. Protomer
c. Hematogluttin
d. pocholol

52
Q

What is the term used for the entire infectious unit or complete virus particle?

a. Nucleocapsid
b. Virion
c. Viral envelope
d. Viroid

53
Q

The statement “viruses contain only one type of nucleic acid, either DNA or RNA is

a. TRUE
b. FALSE

54
Q

Viruses only infect eukaryotic cells

a. TRUE
b. FALSE

55
Q

Viruses that are not enveloped have external capsid.

a. TRUE
b. FALSE

56
Q

The statement, “viruses are cultivated in cell cultures from animal specimen” is

a. TRUE
b. FALSE

57
Q

Used to classify virus

a. Genome property
b. Type of respiration
c. Type of cell culture

58
Q

Biopsychosocial model:

a. States that health and illness is attributed to physiological fracture which can be determined
b. Uses a systemic approach
c. Is the traditional model
d. A, B and C
e. A and B only

59
Q

The biopsyhosocial model of health and disease:

a. State of illness is a dynamic state
b. It is an interaction of several factors
c. Composed of distinct entities: mind and body
d. A, B and C are correct
e. Only A and B are correct

60
Q

The BPS model applies:

a. Cardiovascular diseases
b. Depression
c. Diabetes mellitus
d. All of the above
e. A and B only

61
Q

[Response to Stress] A woman with repressed sexual urges insists that all men are preoccupied with sex.

A

Projection

62
Q

[Response to Stress] A preacher who become crusaders against “loose morals” may be struggling with their own sexual impulses

A

Reaction formation

63
Q

[Response to Stress] Daydreaming about winning P100 M in the next lottery draw

64
Q

[Response to Stress] A woman has sexual affairs because she is angry at her husband

A

– Acting out

65
Q

[Response to Stress] Anger and resentment of the advantages of others can be funneled into obsession to excel in lucrative field

A

Sublimation

66
Q

[Response to Stress] Rape victim unable to recall the details of what happened the night of the crime

A

Repression

67
Q

[Response to Stress] College student says he really didn’t want to go to Bali when he missed the change to go with his family

A

Rationalization

68
Q

[Response to Stress] When a teenager cannot express her anger at her parents and begins to hate herself

A

Displacement

69
Q

Refers to infestation of the body by fleas:

a. Dermatoses
b. Canthariasis
c. Myiasis
d. Acaniasis

70
Q

Sex determination of mosquitoes

a. Proboscis
b. Antennae
c. Compound eyes
d. Legs

71
Q

The following are human ectoparasites EXCEPT:

a. Body louse adult
b. Crab louse nit
c. Head louse something
d. Itch mite adult

72
Q

Vector of Chikungunya virus?

a. Aedes albopictus
b. Culex
c. Anopheles
d. Culex tritaeniorynchus

73
Q

All of the following are vectors of Bancroftian elephantiasis

a. Mansonia
b. Aedes
c. Anopheles
d. None of the above

[HS 202] E3 (Microbiology and Parasitology + BPS) (6 decks)

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