Arm and Hand Bones and Markings

What are the three bones that make up the arm?

• humerus, radius, and ulna

• scapula, clavicle, sternum

• femur, tibia, fibula

• carpals, metacarpals, phalanges

Name the eight carpal bones in the human hand.

• scapula, clavicle, sternum, ribs, humerus, ulna, radius, femur

• scaphoid, lunate, triquetrum, pisiform, hamate, capitate, trapezoid, and trapezium

• femur, tibia, fibula, patella, humerus, radius, ulna, clavicle

• phalanges, metacarpals, carpals, tarsals, femur, patella, humerus, radius

Which muscle is responsible for flexing the elbow?

• biceps brachii

• deltoid

• triceps femoris

• quadriceps brachii

What is the function of the abductor pollicis brevis muscle?

• Flexion of the wrist

• Adduction of the thumb

• Abduction of the thumb

• Extension of the fingers

Which nerve is responsible for providing sensation to the little finger?

• Sciatic nerve

• Median nerve

• Ulnar nerve

• Radial nerve

What is the main artery that supplies blood to the hand?

• radial artery

• carotid artery

• femoral artery

• ulnar artery

What is the function of the ulnar nerve in the hand?

• Responsible for wrist flexion and extension

• Sensation to the little finger and half of the ring finger, as well as controlling some of the smaller muscles in the hand

• Provides sensation to the middle and index fingers

• Controls movement of the thumb and index finger

Name the two main functions of the hand and arm.

• Writing and typing

• Grasping and manipulating objects, and providing support and mobility for the body

• Dancing and singing

• Eating and drinking

Which one is not a muscle of the hand?

• Flexor digitorium

• Thenar eminence

• Hyperthenar eminence

• Palmer apournerosis

Which muscle flexes the digits?

• Flexor carpi radialis

• Flexor carpi ulnaris

• Flexor digitorium