When inspecting a patient's posterior wall of the pharynx and tonsils, a nurse documents which finding as abnormal?
a. Both tonsils have a smooth surface.
b. Left and right tonsils meet at the midline.
c. Left and right tonsils extend beyond the posterior pillars.
d. Both tonsils have a glistening appearance.
ANS: B
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When preparing to administer the polio vaccine to an infant, the nurse would expect to administer the vaccine by which route?
A) Intramuscular B) Subcutaneous C) Oral D) Intradermal
What makes a "frameshift" mutational event more serious than a "point" mutational event?
A. Frameshift mutations occur primarily in germline cells and point mutations occur only in somatic cells. B. Frameshift mutations result in the deletion or addition of whole chromosomes (aneuploidy) and point mutations are undetectable at the chromosome level. C. When the mutations occur in expressed genes, frameshift mutations always result in disruption of the gene function, whereas a point mutation can be silent. D. The rate of frameshift mutations increases with aging as the function of DNA repair mechanisms declines, whereas the rate of point mutations is unchanged with age.
Prepare a 5 mg dose from a label reading 10 mg/mL
What will be an ideal response?
Isosorbide dinitrate is a long-acting nitrate given twice daily. The schedule for administration is 7 a.m. and 2 p.m. because:
1. Long-acting forms have a higher risk for toxicity. 2. Orthostatic hypotension is a common adverse effect. 3. It must be taken with milk or food. 4. Nitrate tolerance can develop.