Steps to prevent skin cancer include all of the following EXCEPT
A. avoiding prolonged exposure to the sun.
B. avoiding sunburns.
C. using tanning salons instead of sunbathing.
D. using sunscreens and protective clothing.
Answer: C
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Why is intact mRNA difficult to purify?
A) RNases may be present in the environment. B) RNases are present on human skin. C) Cells naturally contain RNases. D) Structural RNA in the ribosomes and circulating tRNA contaminate cytosol preparations. E) All of the above.
Upon leaving the exam room, a client tells the nurse that she is confused regarding her prescription. She asks the nurse if a cheaper, generic drug will be weaker than her current prescription. How should the nurse respond
a. Drug standards assure consumers that the same drug must be of uniform strength, quality, and purity. b. The prescribed medication is of better quality but will cost more. c. The insurance companies mandate there are different strengths between generic and brand name prescriptions. d. Every drug has a different chemical composition that cannot be duplicated.
The most accurate method of assessing cardiorespiratory fitness is by a "maximal VO2 test" using a metabolic cart.
Answer the following statement true (T) or false (F)
Identify the combining form pupill(o) with its closest definition.
A. Retina B. Uvea C. Pupil D. Lens