Leg, Ankle and Foot MCQs

Question 1

Is this tibia right/left anterior/posterior?

Answer 1

Posterior surface of the right tibia

Question 2

Identify the muscle indicated by the letter C.

Answer 2

Soleus

Question 3

a) where does the patella tendon insert?
b) where does the small saphenous vein travel behind?
c) where is the posterior tibial pulse palpable?
d) where does biceps femoris insert?
e) where does the common fibular nerve lie close to?

Answer 3

a) 3
b) 4
c) 5
d) 1
e) 2

Question 4

Identify the muscle indicated by the letter B.

Answer 4

Lateral head of gastrocnemius

Question 5

The muscle indicated by the letter C:

a) action?
b) innervation

Answer 5

a) plantarflexion of ankle, aids venous return from lower limb
b) innervated by tibial nerve

Question 6

The artery indicated by the letter C is the:

Answer 6

Anterior tibial artery

Question 7

What is bone G?

Answer 7

Calcaneum

Question 8

The tendons of fibularis longus and brevis travel posterior to which one of the following bony landmarks?

Answer 8

B

Question 9

Rupture of structure D would result in:

Answer 9

• weak plantarflexion of the ankle
• an abnormal gait

Question 10

What is the prime action of muscle B?

Answer 10

Plantarflexion of the foot ??

Question 11

Tendon A belongs to which one of the following muscles?

Answer 11

Extensor digitorum longus

Question 12

Identify muscle A.

Answer 12

Tibialis anterior

Question 13

The prime action of tibialis anterior is:

Answer 13

Dorsiflexion of the ankle

Question 14

Which of the following muscles are innervated by the superficial fibular nerve?

Answer 14

C and D –> these are fibularis longus and fibularis brevis

Question 15

What is the action of muscle B?

Answer 15

B is gastrocnemius:

• Flexes the knee
• Plantarflexes the ankle

Question 16

What is C? Action? Innervation?

Answer 16

C is EDL:

• Dorsiflexion of ankle
• Extension of digits
• Innervated by the deep fibular nerve

Question 17

Identify muscle B.

Answer 17

Extensor hallucis longus

Question 18

What is vessel B? What does it terminate as?

Answer 18

• Vessel B is the anterior tibial artery (after leaving the popliteal fossa, it travels into the anterior compartment via the IOM)
• Terminates as dorsalis pedis artery
• Runs with the deep fibular nerve for most of its course

Question 19

What landark do the posterior tibials veins pass?

Answer 19

Posterior to the medial malleolus

Question 20

This reflex tests which spinal nerves and cord segments?

Answer 20

S1, S2

Question 21

Regarding tendon 5 and its muscle: what is it? Where does it insert? What is its action? What is it innervated by?

Answer 21

• tendon of fibularis brevis
• inserts on base of 5th metatarsal
• everts the foot
• innervated by superficial fibular nerve

Question 22

Identify muscle A.

Answer 22

Gastrocnemius

Question 23

Tendon A belongs to which muscle?

Answer 23

Flexor hallucis longus (as in sole of foot)

Question 24

Which nerve innervates the skin over region 1?

Answer 24

Saphenous nerve

Question 25

Landmark A is the soleal line. Is this statement true or false?

Question 26

Which structures travel behind the medial malleolus?

Answer 26

* Posterior tibial artery and veins * Tendon of tibialis posterior * Tendon of flexor digitorum longus * Tendon of flexor hallucis longus

Question 27

Where does vessel A travel?

Answer 27

Anterior to the medial malleolus

Question 28

Which nerve innervates the skin over region 6?

Answer 28

Deep fibular

Question 29

The injury seen in this X-ray could result in foot drop. Is this statement true or false?

Answer 29

Fibular neck fracture - true

Question 30

Which bone articulates with the tibia and fibula at the ankle joint?

Answer 30

Talus

Question 31

Where does the deltoid ligament lie?

Answer 31

On the medial aspect of the ankle

Question 32

Which ligament would be most at risk of injury by a forced / excessive movement in direction B?

Answer 32

Deltoid

Question 33

What is movement A? What is B?

Answer 33

A - inversion B - eversion

Question 34

The radiological feature highlighted in this X-ray is the:

Answer 34

Ankle mortice

Question 35

The ankle joint is most stable in position A. Is this true or false?

Answer 35

True

Question 36

Which muscles move the ankle joint in direction A?

Answer 36

Extensor digitorum longus, extensor hallucis longus, tibialis anterior

Question 37

Identify bone number 4.

Answer 37

Cuboid

Question 38

A patient presented with sudden onset pain of the big toe, with no history of trauma. The toe appeared as shown below, and was extremely painful. What is the most likely diagnosis, given the history and examination?

Answer 38

Gout

Question 39

Which muscle inserts on region 5?

Answer 39

Fibularis brevis

Question 40

Identify bone 6.

Answer 40

Lateral cuneiform

Question 41

Tendon A belongs to which lateral compartment muscle?

Answer 41

Tendon fibularis longus

Question 42

The skin in regions 1-3 is innervated by which nerve and its branches?

Answer 42

Tibial

Question 43

The structures circled in the image are the deep fibular nerve and the dorsalis pedis artery. Is this statement true or false?

Answer 43

True

Question 44

What is the medical name for this condition?

Answer 44

Hallux valgus

Question 45

Identify muscle 1.

Answer 45

Extensor digitorum brevis

Question 46

Joint 3 is flexed by which muscle?

Answer 46

Flexor hallucis longus

Question 47

Identify bone 2.

Answer 47

Navicular

Question 48

Which of the following is the most likely diagnosis in a patient with this X-ray but no pain in the foot?

Answer 48

Sensory neuropathy --\> Charcot's foot

Question 49

Identify muscle 1.

Answer 49

Abductor digiti minimi

Question 50

Tendon 7 belongs to which muscle?

Answer 50

Flexor digitorum longus

Question 51

Muscle 1 assists which other muscle?

Answer 51

FDL

Question 52

Movement in the direction of A is a normal response to tactile stimulation of the skin on the sole of the foot. Is this statement true or false?

Answer 52

True

Question 53

Structure 4 is the remains of what?

Answer 53

Plantar aponeurosis (fascia)

Question 54

How do the plantar interossei move the toes?

Answer 54

Adduct

Question 55

Muscle 3 and the overlying region of skin are innervated by the:

Answer 55

Medial plantar nerve

Question 56

The skin over the dorsum of the foot in region 2 is innervated by the:

Answer 56

Deep fibular nerve

Question 57

Muscles 1 and 2 comprise the:

Answer 57

Adductor hallucis

Question 58

The vessel circled is the:

Answer 58

Deep plantar arch

Question 59

Is the medial longitudinal arch more or less pronounced than the lateral?

Answer 59

More pronounced

Question 60

Muscle 3 is:

Answer 60

Flexor hallucis brevis

Question 61

What are the circled structures?

Answer 61

terminal branches of the posterior tibial artery and the tibial nerve

Question 62

This injury is most likely to occur as a result of:

Answer 62

Fall from a height onto the foot

Question 63

In the foot, the artery that is being palpated in the image terminates as the:

Answer 63

this is the posterior tibial artery pulse - terminates as the medial and lateral plantar arteries

Question 64

Identify muscle 3.

Answer 64

Flexor hallucis brevis

Question 65

How does muscle A move the little toe?

Answer 65

This is **flexor digiti minimi** - flexes

Question 66

The pathological changes seen in these X-rays are characteristic of which of the following conditions?

Answer 66

Gout

Question 67

Identify muscle 2.

Answer 67

Flexor digitorum brevis

Question 68

Identify muscle 4.

Answer 68

1st lumbrical

Question 69

What is the action of muscle 1?

Answer 69

Abducts the 2nd toe

Question 70

Tendon 6 belongs to which muscle?

Answer 70

Flexor hallucis longus

Question 71

Most of the intrinsic muscles of the foot are innervated by which nerve?

Answer 71

Lateral plantar