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:

Chemical Elements

Substances that cannot be broken down into simpler substances by chemical means, consisting of atoms with the same number of protons.

Helixes

Three-dimensional spirals, like those found in DNA structures or certain proteins, characterized by a uniform shape that twists around a central axis.

Thymine

A nitrogenous base found in DNA, pairing with adenine in the structure of the DNA molecule.

Cytosine

Cytosine is one of the four main bases found in DNA and RNA, pairing with guanine in the genetic code.