Fluid Management Blackboard Quiz

Site of action of antidiuretic hormone (ADH) in the nephron

Collecting duct

Most useful measure when monitoring a patient's hydration status

Ins/Outs (I&O)

Correct statement about fluid movement between body compartments

Water diffuses from lower solute concentration to higher solute concentration

Effect of administering sterile water infusion

Cells swell

Plasma-Lyte tonicity

Isotonic

Relative tonicity of 0.9% NaCl compared to blood

Isotonic

IV fluid most similar to blood plasma osmolarity

Normal saline (0.9% NaCl)

Appropriate adjustment when a patient has NG tube suction of 30 mL/hr

Increase IV fluid rate

Maintenance IV fluid rate for a 60-kg adult (4-2-1 rule)

75 mL/hr

Best fluid for rapid volume resuscitation in sepsis

Lactated Ringer's

Daily fluid requirement for a 53-kg patient using Holliday-Segar method

2000 mL/day (≈2160 mL/day calculated)

Best maintenance IV fluid for an NPO patient with sodium 136 mEq/L

Lactated Ringer's

Cell response in a hypertonic environment

Cells shrink

Largest body fluid compartment in adults

Intracellular compartment

Daily fluid requirement using 30-35 mL/kg for a 53-kg patient

~1500 mL/day

Most appropriate IV maintenance regimen for the case patient

Lactated Ringer's at 85 mL/hr