Systemic Mycoses: Infections of Internal Organs and Deep Tissues
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Questions and Answers

Gomori's Methenamine silver stain shows the yeast cell wall as ______ and the interior of the yeast cells as rose-colored with a green background

deep black

SYSTEMIC MYCOSES are defined as infections that affect internal ______ or deep tissues of the body

organs

TheHistoplasma capsulatum var. capsulatum causes ______ in patients with chronic obstructive pulmonary disease

chronic pulmonary histoplasmosis

The initial site of infection of SYSTEMIC MYCOSES is the ______

<p>lungs</p> Signup and view all the answers

SYSTEMIC MYCOSES are commonly caused by ______ fungi which infect healthy and immunocompetent individuals

<p>dimorphic</p> Signup and view all the answers

The Complement Fixation Test is used for the detection of ______ antigen

<p>blastomycin</p> Signup and view all the answers

The Histoplasma capsulatum var. capsulatum is also known as ______ disease

<p>Darling</p> Signup and view all the answers

The virulence factor of Blastomyces dermatitidis is called ______ – weak B

<p>Blastomycin</p> Signup and view all the answers

Primary infections of Blastomyces dermatitidis may exhibit ______ symptoms

<p>flu-like</p> Signup and view all the answers

Histoplasma capsulatum var. capsulatum is acquired by ______ of the microconidia of Histoplasma capsulatum var capsulatum

<p>inhalation</p> Signup and view all the answers

Blastomyces dermatitidis is also known as ______ disease or Chicago disease or North America

<p>Gilchrist's</p> Signup and view all the answers

Inhalation of conidia or mycelial fragments is converted into ______ in alveolar macrophages

<p>yeast</p> Signup and view all the answers

The structure that serves to transfer the viral nucleic acid from one cell to another is called the ______.

<p>virion</p> Signup and view all the answers

Viruses can be useful in ______ engineering.

<p>genetic</p> Signup and view all the answers

Viruses are not ______ and can cause disease.

<p>beneficial</p> Signup and view all the answers

The viral genome may consist of ______ or circular ds DNA.

<p>linear</p> Signup and view all the answers

A virus contains either ______ or RNA as genetic material but not both.

<p>DNA</p> Signup and view all the answers

The protein coat that surrounds and protects the nucleic acid is called the ______.

<p>capsid</p> Signup and view all the answers

Icosahedral capsid are of two types; ______ and Hexagon;

<p>Pentagon</p> Signup and view all the answers

Some viruses such as T-phage (T2, T4) have complex symmetry including ______ and tail;

<p>head</p> Signup and view all the answers

The most complicated virus in terms of structure are some bacteriophage which possess ______ head and helical tail;

<p>icosahedral</p> Signup and view all the answers

A virus attaches to a specific receptor site on the host cell membrane through ______ proteins in the capsid;

<p>attachment</p> Signup and view all the answers

Plant and animal viruses can enter through ______, in which the cell membrane surrounds and engulfs the entire virus;

<p>endocytosis</p> Signup and view all the answers

The viral ______ is degraded and the viral nucleic acid is released, which then becomes available for replication and transcription;

<p>capsid</p> Signup and view all the answers

The viral mRNA directs the host cell to synthesize viral ______ and capsid proteins, and to assemble new virions.

<p>enzymes</p> Signup and view all the answers

The last stage of viral replication is the release of the new ______ produced in the host organism.

<p>virions</p> Signup and view all the answers

The Baltimore classification (1971) is a classification system that places viruses into one of seven groups depending on a combination of their : nucleic acid (______ or RNA) strandedness (single-stranded or double- stranded).

<p>DNA</p> Signup and view all the answers

David Baltimore, a Nobel Prize-winning biologist, these groups are designated by ______ numerals and discriminate viruses depending on their mode of replication and genome type.

<p>Roman</p> Signup and view all the answers

The new ______ are then able to infect adjacent cells and repeat the replication cycle.

<p>virions</p> Signup and view all the answers

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