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 C
Explanation
A. While constipation can be a side effect of iron supplements, taking them between meals is primarily aimed at improving absorption rather than preventing constipation.
B. Taking iron supplements with food does not specifically increase the risk of esophagitis; instead, it is known to interfere with the absorption of iron.
C. Taking ferrous sulfate between meals optimizes its absorption because food, particularly dairy products, caffeine, and some high-fiber foods, can inhibit the absorption of iron.
D. Although iron supplements can cause nausea, it is more effective to take them between meals for better absorption rather than solely to prevent nausea.
Correct Answer is A
Explanation
A. It is recommended to replace the child's toothbrush after 24 hours of starting antibiotics to prevent reinfection or spreading the bacteria.
B. A child with acute group A B-hemolytic streptococci should remain home from school until they have been on antibiotics for at least 24 hours, not for a full week, to reduce the risk of spreading the infection.
C. Warm compresses may be used to alleviate discomfort associated with sore throats or swollen glands; there is no contraindication to their use in this context.
D. Intramuscular injections are not a standard treatment for this condition; antibiotics are typically administered orally unless there are complications requiring different management.