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

The periosteal space around the bone

Answer

The cortical bone where nutrients diffuse slowly

Answer

The subcutaneous fat layer adjacent to the bone

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

2 cm proximal to the lateral malleolus

Answer

Over the fibular head laterally

Answer

At the midshaft of the tibia posteriorly

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

Flush with 10 mL of normal saline to confirm placement

Answer

Attach a pressure bag set to 300 mmHg immediately

Answer

Obtain blood cultures from the IO hub

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

Patient weight over 100 kg

Answer

Bilateral IV access already established

Answer

Patient under 6 years of age

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

700 mL

Answer

1,000 mL

Answer

2,000 mL

Question 6

A patient in anaphylaxis has an IV established. Which of the following is the FIRST-LINE medication to administer IV?

Accepted Answer

Epinephrine 1:1,000 IM (or diluted IV per protocol)

Answer

Diphenhydramine (Benadryl) 50 mg IV

Answer

Methylprednisolone 125 mg IV

Answer

Albuterol nebulization