What is the recommended time for a child with varicella to return to school?
After all the blisters have crusted over
After receiving the varicella vaccine
After completing one week of antiviral medication
As soon as the rash appears
The Correct Answer is A
A. A child with varicella (chickenpox) should return to school only after all the blisters have crusted over, indicating that the infectious stage has passed and they are no longer contagious.
B. Receiving the varicella vaccine does not apply to children who already have the infection; vaccination is preventive, not a treatment for those already infected.
C. Completing one week of antiviral medication is not a sufficient criterion for returning to school, as the child may still be contagious until all lesions are crusted.
D. Returning to school as soon as the rash appears is not safe, as the child is highly contagious during the initial rash stage and until all lesions have crusted.
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Correct Answer is B
Explanation
A. Doubling the dose if a dose is missed can increase the risk of bleeding and is not recommended for warfarin. Instead, the client should take the missed dose as soon as remembered unless it's almost time for the next dose.
B. Using an electric razor is recommended to minimize the risk of cuts and bleeding, which is particularly important for clients on anticoagulants like warfarin.
C. While increasing fiber intake can be beneficial for overall health, it is not specifically necessary for addressing constipation related to warfarin therapy.
D. While mild nosebleeds may occur, they are not typically common during initial treatment. Clients should be informed to report any unusual or severe bleeding.
Correct Answer is D
Explanation
A. The ASO titer does not measure therapeutic levels of aminoglycosides; this response is incorrect.
B. The ASO titer is not a direct diagnostic test for rheumatic fever but indicates a recent infection with streptococcal bacteria, which can lead to rheumatic fever.
C. The test does not confirm immunity but rather measures antibodies against streptolysin O, indicating recent infection.
D. An elevated ASO titer confirms that the child had a recent streptococcal infection, which is important in diagnosing rheumatic fever.