MACYO BIRO Flashcards

1
Q

Classification of a hypha is not based on:

A. shape
B. Pigment
C. Septum
D. Biochemical reactions

A

D. Biochemical reactions (for yeast)

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2
Q

Which stain uses “Bleaching agent” for fungi?

A. Gram stain
B. LPCB/Aniline blue
C. Calcofluor white
D. India ink

A

C. Calcofluor white (fluorescence)

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3
Q

Which statement is true regarding the preparation of fungal examination?

A. Major disadvantage of cellophane tape method is possible contamination
B. In tease method, conidial structures are retained
C. Slide culture is an easy and convenient method for quick mold examination
D. All of the above

A

A. Major disadvantage of cellophane tape method is possible contamination

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4
Q

Specimen for trichosporon spp?

A. Tissue
B. Hair
C. Skin
D. CSF

A

B. Hair

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5
Q

Associated with infection from chicken coops?

A. Blastomyces
B. Histoplasma
C. Coccidioides
D. Paracoccidioides

A

B. Histoplasma

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6
Q

Which criterion applies to the identification of histoplasma capsulatum?

A. Red pigment
B. Yeast form at 25C, mold form at 36C
C. Slow growing fungus (1-4 weeks)
D. All of the above

A

C. Slow growing fungus (1-4 weeks)

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7
Q

Most often acquired by traumatic implantation into the skin?

A. Histoplasma capsulatum
B. Sporothrix
C. Coccidioides
D. Talaromyces marneffei

A

B. Sporothrix

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8
Q

Optimal temperature and incubation time before a fungal blood culture is reported as negative:

A. 37C; 21 days
B. 37C; 7 days
C. 30C; 21 days
D. 30C; 7 days

A

C. 30C; 21 days

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9
Q

The macromolecular synthesis in the virus infectious cycle:

A. Is the process by which structural proteins, genomes, and sometimes enzymes are assembled into virions
B. Includes the production of nucleic acid and protein polymers
C. Releases the viral genome before the viral nucleic acid is delivered to its intracellular site of replication
D. All of the above

A

B. Includes the production of nucleic acid and protein polymers

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10
Q

Which of the following is best used for Mpox sampling?

A. Cotton swab
B. Calcium alginate swab
C. Wooden swab
D. Dacron swab

A

D. Dacron swab
(or Rayon swab)

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11
Q

Which is not related to Mpox transmission?

A. Kissing
B. Needle stick
C. Mother-to-fetus
D. Airborne
E. Coitus

A

D. Airborne

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12
Q

Newborns from confirmed HIV positive mothers are tested for HIV using?

A. PCR
B. Fluorescent antibody
C. Rapid ELISA kit
D. Western blot

A

A. PCR

Fluorescent antibody, Rapid ELISA kit, and Western blot all detects Antibody (not yet present to newborns)

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13
Q

Hanta pulmonary syndrome is carried on the excreta of:

A. bats
B. Cats
C. Mice
D. Birds

A

C. Mice

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14
Q

What is the purpose of parafilm in specimen transport?

A. prevent leakage
B. prevent drying

A

A. prevent leakage

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15
Q

How many ice packs are needed in a standard-sized transport container?

A. 1 to 2
B. 2 to 8

A

B. 2 to 8

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16
Q

TRUE/FALSE:
The result of PCR test is only as good as the sample the laboratory receives.

A

TRUE
The result quality depends on the specimen collection and transport (pre-examination errors)

17
Q

In the virus laboratory, most manipulation of viruses occurs at what safety level?

A. Biosafety level 1
B. Biosafety level 2
C. Biosafety level 3
D. No biosafety is needed; manipulation are done on the bench

A

B. Biosafety level 2

18
Q

Respiratory specimens are best collected with what type of swabs?

A. Calcium alginate swab
B. Dacron or polyester-tipped swab
C. Swabs with cotton tips or wooden shafts
D. All of the above

A

B. Dacron or polyester-tipped swab

19
Q

Influenza A has the unique capability to alter its genetic composition. Which of the ff. genetic changes is the reason for the annual reformulation of vaccine

A. Antigenic drift
B. Antigenic shift
C. Interspecies transmission
D. Gene reassortment during mixed infection

A

A. Antigenic drift