A charge nurse is teaching a newly licensed nurse about risk factors for chronic myelogenous leukemia (CML). Which of the following information should the nurse include?
Exposure to radiation
Family history
Another type of cancer
Genetic mutation
The Correct Answer is A
A. Exposure to radiation - Exposure to high levels of radiation is a known risk factor for developing CML. Historical data, such as from atomic bomb survivors, show a higher incidence of leukemia, including CML, among those exposed to radiation.
B. Family history - CML is generally not associated with a significant familial risk. It is more commonly linked to acquired genetic mutations rather than inherited predispositions.
C. Another type of cancer - Having another type of cancer does not directly increase the risk of developing CML. However, treatments for other cancers, like radiation therapy, might increase risk.
D. Genetic mutation - The development of CML is associated with a specific acquired genetic mutation known as the Philadelphia chromosome (translocation between chromosomes 9 and 22), rather than inherited genetic mutations.
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Related Questions
Correct Answer is B
Explanation
A. "Vision changes occur suddenly due to complete obstruction of aqueous humor outflow." This describes acute angle-closure glaucoma, not retinal detachment.
B. "Vision changes occur when retinal tissue pulls away from the blood vessels in the eye." Retinal detachment happens when the retina separates from its supporting tissues, including the blood vessels, leading to vision loss.
C. "Vision changes occur when the retina begins to break down and collect bits of debris." This describes age-related macular degeneration, not retinal detachment.
D. "Vision changes occur when the cloudy lens alters the passage of light through the eye." This describes cataracts, not retinal detachment.
Correct Answer is C
Explanation
A. Cashews: Cashews contain iron, but the amount is relatively low compared to other sources like red meat.
B. Oranges: Oranges are high in vitamin C, which aids iron absorption, but they are not a significant source of iron.
C. Red meat: Red meat is an excellent source of heme iron, which is highly bioavailable and effectively addresses iron deficiency.
D. Yogurt: Yogurt is not a significant source of iron. It contains other nutrients, but it is not relevant for increasing iron intake.
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