Myco

Question 1

Which of the following is the lipid present in the cell membrane of a fungus?

Answer 1

None of the above

Question 2

Which of the following statement is NOT
the general characteristics of Candida
albicans?

Answer 2

All of the above

Question 3

What type of immunity is most responsible
for fighting viral infections?

Answer 3

All

Question 4

What is the main purposes of a Viral Transport Medium?

Answer 4

All of the above

Question 5

Where is viral RNA is replicated in the host cell?

Answer 5

Cytoplasmic matrix

Question 6

Place in proper order the steps in viral
replication. 1. Biosynthesis 2. Uncoating 3.
Attachment 4. Assembly 5. Penetration 6.
Release

Answer 6

3,5,2,6,4,1

Question 7

A mature virus particle containing nucleic
acid core surrounded by a protein coat,
with or without an envelope is called?

Answer 7

Virion

Question 8

Most appropriate specimen is for the
detection of Varicella-zoster virus (VZV).

Answer 8

Skin scab

Question 9

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

Answer 9

1,3 & 4 is correct

Question 10

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.

Answer 10

1 & 3

Question 11

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?

Answer 11

Coccidioides spherule

Question 12

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

Answer 12

1 and 3

Question 13

What is the name of the process by which
yeast cells divide?

Answer 13

Binary fission

Question 14

Erythema infectiosum (fifth disease),
self-limited disease of children is caused
by?

Answer 14

Parvovirus

Question 15

What color do dermatophyte microsporum
species fluoresce under a wood lamp?

Answer 15

Bright green

Question 16

Viruses are classified according to all of
the following except

Answer 16

Host required for survival

Question 17

Type of virus that lacks one or more
functional genes required for viral
replication?

Answer 17

Defective

Question 18

Which of the following HIV types is/are
the major cause of HIV in the
Philippines?

Answer 18

HIV1

Question 19

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

Answer 19

1,2,3

Question 20

I. Lactophenol cotton blue stains the
fungal cell wall blue. wall silver. II. Gomori
Methenamine Silver stain outlines the
fungal cell

Answer 20

First statement is true, second
statement is false

Question 21

Measles and mumps are examples of

Answer 21

Paramyxoviruses

Question 22

Which of the following is not a DNA virus?

Answer 22

Orthomyxoviridae

Question 23

All of the following are the characteristics
of cutaneous mycoses, except?

Answer 23

The common cause of ringworm
in human only

Question 24

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

Answer 24

3 & 4

Question 25

What is the etiologic agent for Tinea Nigra

Answer 25

Hortaea werneckii

Question 26

Which of the following is the only natural
reservoir of HPV

Answer 26

Human

Question 27

I. Fungal culture must be held for 21 days
at 37°C. II. Yeast grows better at 37°C and
Molds at RT.

Answer 27

First statement is false, second
statement is true

Question 28

Who discovered the first virus?

Answer 28

The botanist Dmitri Ivanoksky

Question 29

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?

Answer 29

Tinea nigra