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What is the recommended time for a child with varicella to return to school?

A.

After all the blisters have crusted over

B.

After receiving the varicella vaccine

C.

After completing one week of antiviral medication

D.

As soon as the rash appears

Answer and Explanation

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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Related Questions

Correct Answer is ["4"]

Explanation

Volume (mL) = Desired dose (mg) / Concentration (mg/mL)

In this case:

  • Desired dose = 320 mg
  • Concentration = 400 mg/5 mL = 80 mg/mL

Plugging the values into the formula:

  • Volume = 320 mg / 80 mg/mL = 4 mL

Correct Answer is ["C"]

Explanation

A. The meningococcal (MCV4) vaccine is typically recommended for preteens and adolescents, usually starting at age 11.

B. The hepatitis B vaccine is typically administered at birth, 1-2 months, and 6-18 months, so a 4-year-old may already have received this vaccine.

C. The varicella (VAR) vaccine is recommended for children at ages 12-15 months and again at 4-6 years, making it appropriate for a 4-year-old child.

D. The Haemophilus influenza type b (Hib) vaccine is usually given to children in a series before 5 years of age, but it is more commonly completed by age 2-3 years. The 4-year-old may already be up to date with this vaccine.

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