#1
Which bone is commonly referred to as the collarbone?
Clavicle
ExplanationThe collarbone is commonly referred to as the clavicle due to its shape and location in the body.
#2
Which muscle is responsible for flexing the forearm?
Biceps brachii
ExplanationThe biceps brachii muscle is responsible for flexing the forearm by pulling on the radius.
#3
Which bone articulates with the scapula to form the shoulder joint?
Humerus
ExplanationThe humerus articulates with the scapula at the glenoid cavity to form the shoulder joint.
#4
Which muscle is responsible for extending the elbow joint?
Triceps brachii
ExplanationThe triceps brachii muscle is responsible for extending the elbow joint against resistance.
#5
Which bone articulates with the radius and ulna to form the elbow joint?
Humerus
ExplanationThe humerus articulates with the radius and ulna to form the elbow joint.
#6
Which of the following is NOT a bone of the hand?
Tarsals
ExplanationTarsals are not bones of the hand; they are the bones of the foot, forming the ankle joint.
#7
Which muscle group is responsible for adducting the arm?
Pectoralis major
ExplanationThe pectoralis major muscle group is primarily responsible for adducting the arm towards the body.
#8
Which bone forms the posterior part of the pelvis?
Ischium
ExplanationThe ischium forms the posterior part of the pelvis, along with the ilium and pubis.
#9
Which muscle is responsible for abduction of the shoulder?
Supraspinatus
ExplanationThe supraspinatus muscle is responsible for the initial abduction of the shoulder joint.
#10
Which of the following is NOT a bone of the vertebral column?
Pelvic vertebrae
ExplanationPelvic vertebrae are not part of the vertebral column; they belong to the pelvic region.
#11
Which artery supplies blood to the muscles of the arm?
Brachial artery
ExplanationThe brachial artery is the main blood vessel that supplies blood to the muscles of the arm.
#12
Which of the following muscles is NOT part of the rotator cuff?
Teres major
ExplanationThe teres major muscle is not part of the rotator cuff; it assists in various movements of the shoulder.
#13
Which nerve innervates the muscles of the forearm that flex the wrist and fingers?
Median nerve
ExplanationThe median nerve innervates muscles in the forearm responsible for flexing the wrist and fingers.
#14
Which of the following arteries supplies blood to the brain?
Carotid artery
ExplanationThe carotid artery is a major blood vessel that supplies oxygen-rich blood to the brain.
#15
Which artery is the main blood supply to the lower arm?
Ulnar artery
ExplanationThe ulnar artery is the main blood supply to the lower arm, providing oxygenated blood to the forearm and hand.