Multiple Choice
A 60 year old man is brought to the ER due to several hematemesis followed by melena. he has a history of peptic ulcer disease and states that he has nausea and feels faints. Temperature is 34.7 c blood pressure is 92/47 mmHg, pulse is 125/ min and respiration are 28/min on examination he has a cold extremities and delayed capillary refill . packed RBCs are given via intravenous access. However, the blood transfusion rate is unacceptably slow, and the patient remains hypotensive. Which of the following will lead to the greatest improvement in flow rate?
A) Doubling the diameter of the intravenous catheter
B) Doubling the length of the intravenous catheter
C) Doubling the pressure of the infusion pump
D) Placing a second intravenous catheter with identical diameter and length
Correct Answer:

Verified
Correct Answer:
Verified
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