Myco Flashcards
Which of the following is the lipid present in the cell membrane of a fungus?
None of the above
Which of the following statement is NOT
the general characteristics of Candida
albicans?
All of the above
What type of immunity is most responsible
for fighting viral infections?
All
What is the main purposes of a Viral Transport Medium?
All of the above
Where is viral RNA is replicated in the host cell?
Cytoplasmic matrix
Place in proper order the steps in viral
replication. 1. Biosynthesis 2. Uncoating 3.
Attachment 4. Assembly 5. Penetration 6.
Release
3,5,2,6,4,1
A mature virus particle containing nucleic
acid core surrounded by a protein coat,
with or without an envelope is called?
Virion
Most appropriate specimen is for the
detection of Varicella-zoster virus (VZV).
Skin scab
Which statements are TRUE regarding
Influenza viruses? 1. Influenza A may
undergo antigenic shift 2. Influenza B may
undergo antigenic shift 3. Influenza A may
undergo antigenic drift 4. Influenza B may
undergo antigenic drift 5. Influenza C may
undergo antigenic shift
1,3 & 4 is correct
Which of the following statements is TRUE
for viral specimen collection? 1. Viral
transport medium (VTM) prevents
specimen drying, maintains viral viability
and retards the growth of microbial
contaminants. 2. Calcium alginate swabs
or wooden-shafted swabs are used for
viral specimen collection. 3. Collect
specimens as soon as possible after the
onset of symptoms. 4. All Specimens can
be frozen at - 50°C if not processed
immediately.
1 & 3
An adult migrant farm worker in the San
Joaquin Valley of California has been
hospitalized for 2 weeks with progressive
lassitude, fever of unknown origin, and
skin nodules on the lower extremities. A
biopsy of one of the deep dermal nodules
shown in the photomicrograph below
reveals the presence of?
Coccidioides spherule
Which of the following best describes a
dimorphic fungus? 1. Molds at RT 2. Mold
at 37°C 3. Yeast at 37°C 4. Yeast at RT
1 and 3
What is the name of the process by which
yeast cells divide?
Binary fission
Erythema infectiosum (fifth disease),
self-limited disease of children is caused
by?
Parvovirus
What color do dermatophyte microsporum
species fluoresce under a wood lamp?
Bright green
Viruses are classified according to all of
the following except
Host required for survival
Type of virus that lacks one or more
functional genes required for viral
replication?
Defective
Which of the following HIV types is/are
the major cause of HIV in the
Philippines?
HIV1
Which of the following is considered a
direct examination of viruses in
specimens? 1. Light microscopy 2.Electron microscopy 3. Molecular diagnostics 4. Cell culture
1,2,3
I. Lactophenol cotton blue stains the
fungal cell wall blue. wall silver. II. Gomori
Methenamine Silver stain outlines the
fungal cell
First statement is true, second
statement is false
Measles and mumps are examples of
Paramyxoviruses
Which of the following is not a DNA virus?
Orthomyxoviridae
All of the following are the characteristics
of cutaneous mycoses, except?
The common cause of ringworm
in human only
Which of the following is considered a
result of Active Acquired Immunity? 1.
injection of an immune serum 2.
antibodies passed on from mother to baby
through breast milk 3. vaccination 4.
contact with a pathogen 5. antibodies
passed on from mother to fetus through
the placenta
3 & 4
What is the etiologic agent for Tinea Nigra
Hortaea werneckii
Which of the following is the only natural
reservoir of HPV
Human
I. Fungal culture must be held for 21 days
at 37°C. II. Yeast grows better at 37°C and
Molds at RT.
First statement is false, second
statement is true
Who discovered the first virus?
The botanist Dmitri Ivanoksky
During an office visit the doctor noticed a
brown spot on the bottom of the patient’s
foot. He requested a KOH preparation on
the fungal infection and take a sample to
inspect under a microscope. Under the
microscope you see many 2 celled oval
yeast with short hyphae. Which is the
likely diagnosis for this spot?
Tinea nigra
