Practice Questions

Question 1

achilles reflex spinal innervation

Answer 1

S1

motor - peroneus longus and brevis gastrocnemius

Question 2

patella reflex spinal innervation

Answer 2

L4

motor - anterior tibialis

Question 3

Lesions at C4-C5

Answer 3

most inferior level at which spinal cord transection could produce a complete quadriplegia -
(C2-C3 would be life threatening due to severe diaphragmatic paralysis)

Question 4

Lesions at C1-C2

Answer 4

incompatible with life

Question 5

Lesions at C2-C3

Answer 5

produce severe diaphragmatic paralysis - life threatening

Question 6

Transection at C5-C6

Answer 6

shoulder muscles intact - incomplete quadraplagia

Question 7

Trasnsection at T1-T2

Answer 7

complete paraplegia (lower limbs only)

Question 8

What artery supplies the proximal part of the femur (not head and neck)

Answer 8

a branch of the profunda femoris

Question 9

Cutaneous nerve responsible for innervating the medial surface of the leg and foot

Answer 9

saphenous n.

Question 10

In order to pass a needle using the suprapatellar approach, or through the lateral aspect of the thigh into the region immediately proximal and deep to the patella, what muscle must the needle pass through

Answer 10

Rectus femoris

Question 11

the fascia containing the muscles responsible for what movement at the hip span the groin and flank?

Answer 11

Flexion

Question 12

while testing the patellar reflex, what muscle is stretched?

Answer 12

quadriceps femoris

Question 13

the tubercle on the superior aspect of the medial femoral condyle serves as the insertion for what muscle?

Answer 13

gracilis m

Question 14

what cutaneous nerve can supply the perineum in some individuals?

Answer 14

posterior femoral cutaneous

Question 15

the tensor fascia latae m receives its innervation from what n

Answer 15

superior gluteal n

Question 16

a paralysis of knee flexion and dorsal/plantar flexion accompanied with sensory loss in the limb secondary to an injury to the gluteal region is termed

Answer 16

gluteal crush injury

Question 17

the posterior femoral cutaneous nerve arises from what spinal nerve contributions

Answer 17

S1, S2, S3

Question 18

in children only, this artery supplies the head of the femur

Answer 18

a branch of the obturator a

Question 19

an IM injection should be given

Answer 19

anterior and superior to a line between the PSIS and the greater trochanter

Question 20

Which of the following does not insert onto the greater trochanter? 
Piriformis 
Obturator internus 
Gluteus medius 
gluteus maximus 
gluteus minimus

Answer 20

gluteus maximus

Question 21

disc lesion at what level would result in lack of sensation of the dorsum and sole of the feet and marked muscle weakness in abduction and lateral rotation of the lower limb?

Answer 21

L4-L5

Question 22

if the femoral a is occluded, what artery will be able to provide blood supply to the leg through genicular anastomosis?

Answer 22

Descending branch of the lateral circumflex femoral

Question 23

What is the most anterior structure that passes through the flexor retinaculum on the medial side of the ankle?

Answer 23

Tibialis posterior t

Question 24

what nerve innervates the fibularis tertius m

Answer 24

deep fibular (peroneal) n

Question 25

the muscles responsible for dorsiflexion and inversion of the foot are innervated by

Answer 25

the deep fibular n

Question 26

if a patient presents with foot drop but normal eversion, the lesion most likely is affecting this n

Answer 26

deep fibular n

Question 27

n responsible for the cutaneous sensation between the first and second toe

Answer 27

deep fibular n

Question 28

unhappy triad

Answer 28

MCL
Medial meniscus
ACL