OCC OCC Neurovascular Assessment & Monitoring 3

Question 1

Volkmann's ischemic contracture is a devastating complication that most commonly results from:

Accepted Answer

Unrelieved compartment syndrome in the forearm

Answer

Infection under the cast padding

Answer

Excessive cast padding that restricts motion

Answer

Prolonged but uncomplicated immobilization

Question 2

A cast window is most appropriately cut in order to:

Accepted Answer

Inspect a wound site or assess vascular access

Answer

Improve ventilation and reduce cast odor

Answer

Reduce the overall weight of the cast

Answer

Allow the patient to perform range-of-motion exercises

Question 3

The dorsalis pedis pulse is most reliably palpated on the:

Accepted Answer

Dorsum of the foot between the first and second metatarsals

Answer

Posterior aspect of the medial malleolus

Answer

Lateral border of the foot

Answer

Plantar surface of the heel

Question 4

When compartment syndrome is suspected in a casted extremity, the MOST appropriate immediate action is to:

Accepted Answer

Bivalve the cast and notify the physician immediately

Answer

Elevate the extremity and apply ice packs

Answer

Administer analgesics and reassess in 30 minutes

Answer

Apply a compression wrap over the cast

Question 5

Sensation in the first dorsal web space between the first and second toes is supplied by which nerve?

Accepted Answer

Deep peroneal nerve

Answer

Sural nerve

Answer

Superficial peroneal nerve

Answer

Tibial nerve

Question 6

A Doppler ultrasound probe is used during neurovascular assessment primarily to:

Accepted Answer

Detect arterial blood flow when a pulse is not palpable

Answer

Measure compartment pressure directly

Answer

Assess nerve conduction velocity

Answer

Evaluate venous thrombosis under a cast

Question 7

Which combination of findings most strongly suggests adequate neurovascular status in a casted extremity?

Accepted Answer

Pink, warm digits with capillary refill under 2 seconds and intact sensation

Answer

Pale, cool digits with capillary refill of 4 seconds

Answer

Mild swelling with absent radial pulse

Answer

Cyanotic digits with pain at rest