Review Session 8

What nerve innervates the hypothenar muscles?

• Median Nerve

• Deep branch of the Ulnar Nerve

• Axillary Nerve

• Radial Nerve

Select all that apply: The median nerve innervates which of the following muscles?

• Opponens pollicis

• Adductor pollicis

• Abductor Pollicis

• Lumbricals

What is the function of Lumbricals 1 and 2

• Extend the MP joints and flexes IP joints of digits 2 & 3

• Extend the MP joints and flexes IP joints of digits 4 & 5

• Flexes the MP joints and extends IP joints of digits 2 & 3

• Flexes the MP joints and extends IP joints of digits 4 & 5

Where does the Abductor Pollicis Brevis insert

• Lateral side of the proximal phalanx of thumb

• Medial side of the proximal phalanx of thumb

• Lateral side of first metacarpal

• Medial side of first metacarpal

The function of the Dorsal Interossei muscles are to

• adduct the MP joints

• abduct the IP joints

• adduct the IP joints

• abduct the MP joints

True or false: This hand is in intrinsic minus

• True

• False

What kind of grasp is required for holding a tennis ball?

• Lateral

• Spherical

• Cylindrical

• Tip

Select all that apply: Which of the following can be palpated in the floor of the anatomical snuff box?

• Lunate

• Trapezium

• Hamate

• Scaphoid

Name this structure

Name this crease