relations

Question 1

what is contained in the greater sciatic foramen

Answer 1

Sciatic Nerve
Superior and Inferior Gluteal Nerves
Pudendal Nerve
Posterior Femoral Cutaneous Nerve
Nerve to Quadratus Femoris
Nerve to Obturator internus

Superior Gluteal Artery and vein
Inferior Gluteal Artery and vein
Internal Pudendal Artery and vein

Question 2

The piriformis is a landmark for identifying structures passing out of the sciatic notch
what comes out above and below it

Answer 2

Above piriformis: Superior gluteal vessels
Below piriformis: Inferior gluteal vessels, sciatic nerve (10% pass through it, <1% above it), posterior cutaneous nerve of the thigh

Question 3

contents of lesser sciatic foramen

Answer 3

Tendon of the obturator internus
Pudendal nerve
Internal pudendal artery and vein
Nerve to the obturator internus

Question 4

structures that pass between both foramina

Answer 4

medial to lateral

Pudendal nerve
Internal pudendal artery
Nerve to obturator internus

Question 5

The pretracheal fascia encloses what

Answer 5

thyroid gland

Question 6

if A patient develops loss of knee extension and sensory loss to the anterior and medial aspect of the thigh following a stab injury

or fractures

Answer 6

femoral nerve

Question 7

A 22-year-old man is stabbed in the chest at the level of the junction between the sternum and manubrium. Which structure is at greatest risk?

left atrium or aortic arch

Answer 7

At the level of the Angle of Louis (Manubriosternal angle), is the surface marking for the aortic arch. The oesophagus is posteriorly located and at less risk.

Question 8

important relations to the scalene muscles

Answer 8

The brachial plexus and subclavian artery pass between the anterior and middle scalenes through a space called the scalene hiatus/fissure.
The subclavian vein and phrenic nerve pass anteriorly to the anterior scalene as it crosses over the first rib.

Question 9

what artery supplies the femoral head

Answer 9

medial femoral circumflex

Question 10

where does the brachial artery lie in relation to the median nerve

Answer 10

The brachial artery typically lies lateral to the median nerve.

Question 11

Which one of the following structures separates the ulnar artery from the median nerve?

Answer 11

pronator teres

Question 12

fracture of the medial third of the clavicle what vessel is at most risk

Answer 12

subclavian vein - lies behind the subclavian in front of the artery

majority of clavicle fractures occur in the middle third

Question 13

borders of the quadrangular space

Answer 13

long head of triceps, teres major and minor and humerus

Question 14

Which structure separates the cephalic vein and the brachial artery in the antecubital fossa?

Answer 14

biceps muscle tendon