All of the following statements about chromosomal mosaicism are correct EXCEPT:
A. The affected person has more than one population of chromosomally distinct cells.
B. Mosaicism results from chromosome nondisjunction occurring in the ovum before fertilization.
C. Mosaicism results from chromosome nondisjunction during a mitotic division of the fertilized ovum (zygote).
D. Persons with mosaic Down syndrome often have less disability than those in whom all the cells contain an extra chromosome 21.
E. Mosaicism may occur in association with other chromosomal abnormalities as well as Down syndrome.
B
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A veteran nurse has decided to concentrate on nursing research as the nurse believes that research can greatly improve client outcomes. The nurse is pursuing a master's degree in nursing in order to:
1. Participate in nursing research projects. 2. Incorporate research results in client care. 3. Participate in research as the principle investigator. 4. Identify areas of need for nursing research.
Signs of hyperkalaemia include:
a. calf pain. b. arrhythmias. c. confusion. d. all of the above.
A community member asks a nurse, "People with mental illnesses used to go to a state hospital. Why has that changed?" Select the nurse's accurate responses. Select all that apply
a. "Science has made significant improvements in drugs for mental illness, so now many people may live in their communities." b. "A better selection of less restrictive settings is now available in communities to care for individuals with mental illness." c. "National rates of mental illness have declined significantly. The need for state institutions is actually no longer present." d. "Most psychiatric institutions were closed because of serious violations of patients' rights and unsafe conditions." e. "Federal legislation and payment for treatment of mental illness have shifted the focus to community rather than institutional settings."
After dopamine is administered to a patient who has been hypotensive, which indicator would the nurse use to judge a successful response?
1. Decrease in pulse and blood pressure 2. Increase in urine output 3. Weight gain 4. Improved gastric motility