AEMT IV Therapy and Fluid Administration 2

Question 1

Intraosseous (IO) access delivers medications and fluids to which anatomical structure?

Accepted Answer

The medullary cavity of the bone, which connects to the venous circulation

Answer

IO needles enter the medullary cavity, which contains a non-collapsible venous network that rapidly delivers fluids and drugs into central circulation.

Question 2

The proximal tibia is a common IO site. It is located approximately:

Accepted Answer

2 cm distal to the tibial tuberosity on the anteromedial flat surface

Answer

The proximal tibial IO site is approximately 2 cm distal to the tibial tuberosity on the flat anteromedial surface of the tibia.

Question 3

Before infusing fluid through an IO needle, you should:

Accepted Answer

Inject lidocaine slowly if the patient is conscious to reduce pain

Answer

In conscious patients, IO infusion is painful; 2% preservative-free lidocaine injected slowly before fluids significantly reduces discomfort.

Question 4

Which of the following is an absolute contraindication to IO placement at a specific site?

Accepted Answer

A fracture in the bone at the intended site

Answer

A fracture at the intended IO site is an absolute contraindication because fluid would extravasate into surrounding tissue through the fracture.

Question 5

You are administering a 20 mL/kg fluid bolus to a 70 kg adult in hemorrhagic shock. How many mL should you infuse?

Accepted Answer

1,400 mL

Answer

20 mL/kg × 70 kg = 1,400 mL; this is the standard initial fluid bolus for hypovolemic/hemorrhagic shock resuscitation.

AEMT - Advanced Emergency Medical Technician Practice Test

AEMT - Advanced Emergency Medical Technician Practice Test

AEMT IV Therapy and Fluid Administration 2