AEMT IV Therapy and Fluid Administration

Question 1

Which IV fluid is classified as an isotonic crystalloid and is most commonly used for volume resuscitation in the prehospital setting?

Accepted Answer

0.9% Normal Saline (NS)

Answer

Dextrose 50% (D50W)

Answer

0.45% Normal Saline (half-normal)

Answer

Albumin 5%

Question 2

The preferred IV site for most adult emergency patients is:

Accepted Answer

Antecubital fossa vein

Answer

External jugular vein

Answer

Femoral vein

Answer

Dorsal foot vein

Question 3

A 20-gauge IV catheter is inserted and the patient is to receive a fluid bolus. What does increasing the IV bag height accomplish?

Accepted Answer

It increases flow rate by increasing hydrostatic pressure

Answer

It decreases flow rate by reducing back pressure

Answer

It has no effect on flow rate

Answer

It reduces the risk of air embolism

Question 4

You attempt IV access twice without success. Per most AEMT protocols, you should next:

Accepted Answer

Consider IO access or notify medical direction

Answer

Continue attempting peripheral IVs until you succeed

Answer

Place a central line

Answer

Administer medications IM instead of IV

Question 5

Which of the following is a sign of IV infiltration?

Accepted Answer

Swelling, coolness, and pain at the insertion site

Answer

Blood return in the catheter hub

Answer

Increased flow rate

Answer

Patient reports warmth along the vein

Question 6

Lactated Ringer's (LR) solution differs from 0.9% NS in that LR:

Accepted Answer

Contains potassium, calcium, and lactate, more closely mimicking plasma electrolytes

Answer

Is hypertonic and pulls fluid into the vascular space

Answer

Is contraindicated in trauma patients

Answer

Contains dextrose for energy support