A nurse is administering a 350 mL unit of PRBCs over 3 hours to a client diagnosed with anemia. The nurse should set the IV pump to deliver how many mL/hr?
The Correct Answer is ["2 "]
Step 1 is: To calculate the rate at which the IV pump should be set to deliver the PRBCs, we need to divide the total volume of PRBCs by the total time for administration.
Step 2 is: Convert the time for administration from hours to minutes because the rate is typically set in mL/min. So, 3 hours is equivalent to 180 minutes.
Step 3 is: Now, divide the total volume of PRBCs (350 mL) by the total time for administration (180 min). So, the calculation is 350 mL ÷ 180 min.
Step 4 is: The final calculated answer is approximately 1.94 mL/min. However, IV pumps typically only allow whole numbers, so we would round this to 2 mL/min.
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Correct Answer is A
Explanation
Choice A rationale
Slowing of activity, also known as bradykinesia, is a common symptom of Parkinson’s disease. It is characterized by a general reduction in the speed and amplitude of voluntary movements, leading to difficulties with tasks such as walking, talking, and performing other self-care activities.
Choice B rationale
Muscle flaccidity is not typically associated with Parkinson’s disease. Instead, people with Parkinson’s often experience muscle rigidity or stiffness.
Choice C rationale
A gait with the body leaning backward is not a typical symptom of Parkinson’s disease. People with Parkinson’s disease often have a stooped posture, with the body leaning forward.
Choice D rationale
Continuous tremors are a hallmark symptom of Parkinson’s disease, but they are not present in all cases. Tremors in Parkinson’s disease are often described as a “pill-rolling” tremor because the movement resembles the motion of trying to roll a pill between the thumb and index finger.
Correct Answer is B
Explanation
Choice A rationale
While hypertension is a risk factor for stroke, it is a modifiable risk factor. This means it can be controlled and managed through lifestyle changes and medication.
Choice B rationale
Family history is a non-modifiable risk factor for stroke. If a close family member, like a parent or sibling, has had a stroke, a person’s risk of stroke is slightly higher.
Choice C rationale
Smoking is a modifiable risk factor for stroke. Quitting smoking can significantly reduce the risk of stroke.
Choice D rationale
Obesity is a modifiable risk factor for stroke. Maintaining a healthy weight through diet and regular exercise can help reduce the risk of stroke.
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