Persons using nasal sprays are advised to limit the use of the spray container to one person and one episode of illness because:
a. once the container is opened, the medication rapidly loses its effectiveness.
b. viruses may colonize the tip of the container, thus spreading infection.
c. once exposed to air, the medication is likely to become contaminated with fungi.
d. the medications deactivate before the next infection.
ANS: B
Feedback
A Incorrect: This is not a true rationale.
B Correct: This is the rationale for limiting a spray container to one person, one illness.
C Incorrect: This is not a true rationale.
D Incorrect: This is not a true rationale.
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