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.)
The Correct Answer is ["31"]
Step 1: Determine the total volume to be infused.
- Total volume = 250 mL
Step 2: Determine the total time for infusion in minutes.
- Total time = 2 hours
- Convert hours to minutes: 2 hours × 60 minutes/hour = 120 minutes
- Result: 120 minutes
Step 3: Determine the drop factor.
- Drop factor = 15 gtts/mL
Step 4: Calculate the flow rate in drops per minute.
- Flow rate (gtts/min) = (Total volume in mL × Drop factor) ÷ Total time in minutes
- Flow rate (gtts/min) = (250 mL × 15 gtts/mL) ÷ 120 minutes
- Result: (250 × 15) = 3750
- Result: 3750 ÷ 120 = 31.25
Step 5: Round the result to the nearest whole number.
- Rounded result: 31
Final Answer: The nurse should adjust the flow rate to deliver 31 drops per minute.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason:
The statement “Please do not raise your voice at the children. I am the one who left the dishes in the sink.” is an example of effective communication. It demonstrates taking responsibility for one’s actions and addressing the issue calmly and directly. This approach helps to de-escalate potential conflict and promotes a respectful and constructive dialogue among family members. Effective communication in family therapy involves clear, honest, and respectful exchanges that foster understanding and resolution of issues.
Choice B reason:
The statement “If you keep saying that, I will tell everyone what you did last night.” is an example of ineffective communication. It is threatening and manipulative, which can escalate conflict and create a hostile environment. Such statements undermine trust and respect among family members, making it difficult to resolve issues constructively. Effective communication should avoid threats and focus on expressing feelings and concerns in a non-confrontational manner.
Choice C reason:
The statement “Can you tell me the reason you get upset each time I go to the mall?” is a step towards effective communication as it seeks to understand the other person’s feelings. However, it could be improved by using “I” statements to express personal feelings and concerns. For example, “I feel concerned when you get upset each time I go to the mall. Can we talk about it?” This approach reduces defensiveness and encourages open dialogue.
Choice D reason:
The statement “She is always bossing me around. Should she do that?” is an example of ineffective communication. It is accusatory and does not address the issue constructively. Effective communication should focus on specific behaviors and how they affect the individual, rather than making general accusations. For example, “I feel frustrated when I am told what to do. Can we discuss how we can share responsibilities more fairly?” This approach promotes understanding and cooperation.
Correct Answer is B
Explanation
Choice A reason: Hypothermia
Hypothermia, or abnormally low body temperature, is not a typical manifestation of acute osteomyelitis. Osteomyelitis usually presents with signs of infection, such as fever, rather than a drop in body temperature. Therefore, hypothermia is not a relevant symptom in this context.
Choice B reason: Localized edema
Localized edema, or swelling, is a common symptom of acute osteomyelitis. The infection in the bone can cause inflammation and swelling in the surrounding tissues. This is often accompanied by warmth and redness over the affected area. Therefore, localized edema is a key manifestation of acute osteomyelitis.
Choice C reason: Numbness of toes on the affected foot
Numbness of the toes is not a typical symptom of acute osteomyelitis. While nerve involvement can occur in severe cases, it is not a primary manifestation. Acute osteomyelitis primarily presents with signs of infection and inflammation, such as pain, swelling, and redness.
Choice D reason: Bradycardia
Bradycardia, or a slow heart rate, is not associated with acute osteomyelitis. The condition typically presents with systemic signs of infection, such as fever and malaise, rather than changes in heart rate. Bradycardia is more commonly related to cardiac conditions or certain medications.
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