The FDA Issued a Safety Announcement Regarding the Use of Erythropoiesis-Stimulating

question 7

Multiple Choice

The FDA issued a safety announcement regarding the use of erythropoiesis-stimulating agents (ESAs) in 2010 with the recommendation that:

• A) ESAs no longer be prescribed to patients with chronic renal failure
• B) The risk of tumor development be explained to cancer patients on ESA therapy
• C) Patients should no longer receive ESA therapy to prepare for allogenic transfusions
• D) ESAs be prescribed only to patients younger than age 60 years

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Definitions:

Transducing

refers to the process by which signals are converted from one form to another, such as converting physical signals into biochemical signals in the body.

Prophage

A segment of viral DNA that is integrated into the genome of a bacterial cell, remaining latent until it is induced to produce new virus particles.

Bacterial DNA

The circular or linear strands of genetic material found in bacteria, encoding the information necessary for their growth, development, and function.

Lytic Virus

A type of virulent virus that replicates inside a host cell and causes its lysis (destruction), releasing new viral particles.