Choice A rationale:

Isolating the child from other children or adults with respiratory infections is crucial in preventing the spread of Respiratory Syncytial Virus (RSV).

RSV is highly contagious and spreads through respiratory droplets.

By isolating the infected child, the nurse helps prevent the transmission of the virus to others.

Choice B rationale:

Using contact precautions such as gown and gloves when caring for the child is essential to prevent the spread of RSV.

Direct contact with respiratory secretions can easily lead to transmission.

Wearing protective gear like gowns and gloves creates a barrier, reducing the risk of contamination and spread.

Choice C rationale:

Encouraging frequent hand hygiene is a fundamental preventive measure.

RSV can survive on surfaces for several hours, so regular handwashing with soap and water for at least 20 seconds can help eliminate the virus from hands, reducing the risk of infection.

Choice E rationale:

Avoiding exposure to tobacco smoke is important because smoke irritates the respiratory tract, making individuals more susceptible to respiratory infections like RSV.

Secondhand smoke can also worsen symptoms in infected individuals and increase the severity of the illness.

Choice D rationale:

Allowing siblings to share toys and utensils with the infected child is not recommended.

RSV spreads through respiratory droplets and direct contact with contaminated surfaces.

Sharing toys and utensils can facilitate the transmission of the virus to other children, increasing the risk of infection.