Concerning abnormalities of chromosomes, nurses should be aware that:
1. they occur in approximately 10% of newborn infants.
2. abnormalities of number are the leading causes of pregnancy loss.
3. Down syndrome is a result of an abnormal chromosome structure.
4. unbalanced translocation results in a mild abnormality that the child will outgrow.
2
1. Incorrect. Chromosome abnormalities occur in less than 1 percent of newborn infants.
2. Correct. Aneuploidy is an abnormality of number that is also the leading genetic cause of mental retardation.
3. Incorrect. Down syndrome is the most common form of trisomal abnormality, an abnor-mality of chromosome number (47 chromosomes).
4. Incorrect. Unbalanced translocation is an abnormality of chromosome structure that often has serious clinical effects.
You might also like to view...
A patient has been diagnosed with Graves disease. What physical symptoms would the nurse most expect to find?
A) Bradycardia B) Diminished bowel sounds C) Alert and oriented times 3 D) Exophthalmos
The nurse is caring for an adolescent who will be hospitalized for several weeks while in traction. The patient frequently has a room full of friends and they can be heard laughing
The nurse recognizes this patient is meeting which of Maslow's hierarchy of needs? 1. Self-esteem 2. Love and belonging 3. Safety 4. Self-actualization
When a person makes up information to fill in memory gaps as a result of abusing or depending on alcohol, what term describes this process?
a. confabulation c. lying b. impaired thinking d. moral deterioration
A patient asks why the physician has recommended systemic interferon treatment for genital warts. Which explanation by the nurse of its advantages is best?
a. "Interferon treatment does not have any side effects." b. "Interferon can improve liver function." c. "Interferons can increase your red blood cell count." d. "Interferon therapy can attack warts all over the body at the same time."