A nurse is preparing to infuse a 250-mL unit of packed RBCs over 2 hours. The drop factor of the manual IV tubing is 15 gtts/mL. The nurse should adjust the flow rate to deliver how many drops per minute?

(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Choice A reason: There are no current occurrences of smallpox. Smallpox was declared eradicated in 1980 by the World Health Organization (WHO) after a successful global vaccination campaign. Therefore, the statement that there are rare, occasional occurrences of smallpox is incorrect.

Choice B reason: Smallpox lesions do not appear in various stages of healing at the same time. Unlike chickenpox, where lesions can be in different stages of healing simultaneously, smallpox lesions typically develop and progress through stages uniformly. This means that all lesions are generally at the same stage of development at any given time.

Choice C reason: The vesicles of smallpox are indeed more abundant on the face and extremities compared to the trunk. This distribution pattern is a distinguishing feature of smallpox, as opposed to chickenpox, which tends to have a more central distribution with more lesions on the trunk.

Choice D reason: Vaccination against smallpox provides lifelong immunity. The smallpox vaccine, which uses a live virus related to smallpox called vaccinia, has been shown to provide long-lasting immunity. Studies have indicated that immunity can last for decades, and even those vaccinated many years ago retain some level of protection.

Choice A reason: Using handrails in the bathroom is an effective fall prevention strategy. Handrails provide support and stability, especially in wet and slippery conditions, reducing the risk of falls. Bathrooms are common places for falls due to the presence of water and slippery surfaces. Installing handrails can significantly enhance safety for elderly residents.

Choice B reason: Getting a longer cord for the telephone is not a recommended fall prevention strategy. Long cords can create tripping hazards, especially if they are not properly managed. It is better to use cordless phones or ensure that cords are kept short and out of walkways to prevent falls.

Choice C reason: Placing a throw rug over electrical cords is not advisable. Throw rugs can slip and slide, creating a significant tripping hazard. Additionally, covering electrical cords with rugs can cause overheating and pose a fire risk. It is safer to secure cords along walls and use non-slip mats if necessary.

Choice D reason: Using chairs without armrests is not recommended for fall prevention. Armrests provide support when sitting down and standing up, helping to maintain balance and stability. Chairs with armrests can reduce the risk of falls by providing additional support for elderly residents.