Extremities

Question 1

EAR

What membrane separates the Scala media and Scala tympani?

Answer 1

BASILAR membrane

Question 2

EAR

Otolith organ that detests HORIZONTAL movement

Answer 2

UTRICLE

Question 3

EAR

Otolith organ that detests VERTICAL movement

Answer 3

SACCULE

Question 4

Also known as IMmovable joints

Answer 4

SYNARTHROSES (FUNCTIONAL classification)

FIBROUS joints (STRUCTURAL classification)

Question 5

Also known as SLIGHTLY movable joints

Answer 5

AMPHIARTHROSES (FUNCTIONAL classification)

CARTILAGINOUS joints (STRUCTURAL classification)

Question 6

Also known as FREELY movable joints

Answer 6

DIARTHROSES (FUNCTIONAL classification)

SYNOVIAL joints (STRUCTURAL classification)

Question 7

Connection of BONES

Answer 7

JOINTS

Ligaments connect the ends of bones together in order to form a joint.

Tendon - A tough, flexible band of fibrous connective tissue that connects muscles to bones.

Joints - Structures that connect individual bones and may allow bones to move against each other to cause movement.

Question 8

ANTERIOR COMPARTMENT = FLEXOR muscles are innervated by?

Answer 8

Musculocutaneous Nerve

Question 9

POSTERIOR COMPARTMENT = EXTENSOR muscles are innervated by?

Answer 9

Radial Nerve

Question 10

Main supinator of FOREARM

Answer 10

BICEPS BRACHII

Question 11

Main flexor of FOREARM

Answer 11

BRACHIALIS

Question 12

Main extensor of FOREARM

Answer 12

TRICEPS BRACHII

Question 13

Innervates FLEXORS of FOREARM

Answer 13

MEDIAN NERVE

except FCU and FDP (BOTH ULNAR)

Question 14

Innervates EXTENSORS of FOREARM

Answer 14

RADIAL nerve

Question 15

Common FLEXOR tendon

Answer 15

Medial Epicondyle of HUMERUS

Question 16

Contents of CUBITAL FOSSA

Answer 16

From Medial to Lateral:
MEDIAN NERVE
BRACHIAL ARTERY
BICEPS TENDON
RADIAL NERVE

Question 17

What are the THENAR muscles?

Answer 17

A - bductor pollicis brevis
F - lexor pollicis brevis
O - pponens pollicis

AFO

ALL POLLICIS

Supplied by:
MEDIAN NERVE

Question 18

What are the HYPOTHENAR muscles?

Answer 18

A - bductor digiti minimi
F - lexor digiti minimi
O - pponens digiti minimi

AFO

ALL DIGITI MINIMI

Supplied by:
ULNAR NERVE

Question 19

Associated with Waiter’s Tip deformity

Answer 19

Injury to C5-C6

Erb’s palsy

Lateral Sensory Loss

Question 20

Associated with Claw Hand Deformity

Answer 20

Injury to C8-T1

ULNAR nerve

Klumpke’s palsy

Medial Sensory Loss

Question 21

Unhappy Triad of

O’Donoghue

Answer 21

1. ACL
2. MCL
3. Medial meniscus

Question 22

Which joint is mainly responsible for the inversion and

eversion of the foot?

Answer 22

SUBTALAR

For DORSIFLEXION and PLANTAR FLEXION: TaloCrural Joint (Ankle Joint Proper)