BIO 446L Exam 3 Practice Questions and Correct Answers
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Course
BIO 446
Institution
BIO 446
Anterior Movers of the Pectoral Girdle serratus anterior, pectoralis minor, subclavius
Function of serratus anterior protraction of shoulder
Posterior Movers of the Pectoral Girdle trapezius, levator scapulae, rhomboids
Function of trapezius elevation, depression, retraction of scapula
Function...
BIO 446L Exam 3 Practice Questions and
Correct Answers
Anterior Movers of the Pectoral Girdle ✅serratus anterior, pectoralis minor, subclavius
Function of serratus anterior ✅protraction of shoulder
Posterior Movers of the Pectoral Girdle ✅trapezius, levator scapulae, rhomboids
Function of trapezius ✅elevation, depression, retraction of scapula
Function of levator scapulae ✅elevation of scapula
Function of rhomboids ✅retraction of scapula
Movers of the arm originating on axial skeleton ✅pectoralis major, latissimus dorsi
Where is the pectoralis major located? ✅anterior chest
Where is the latissimus dorsi located? ✅posterior side
Function of pectoralis major ✅flexes, adducts, and medially rotates humerus
Function of latissimus dorsi ✅extends, adducts, and medially rotates humerus
What nerve innervates the pectoralis major? ✅pectoral nerve
What nerve innervates the latissimus dorsi? ✅thoracodorsal nerve
Movers of the arm originating on scapula ✅deltoid, coracobrachialis, biceps brachii,
teres major, triceps brachii, rotator cuff muscles
Function of deltoid ✅flexes, abducts, and extends the arm
What nerve innervates the deltoid? ✅axillary nerve
Anterior compartment of arm ✅biceps brachii, brachialis, coracobrachialis
What nerve innervates the anterior compartment of the arm? ✅musculocutaneous
nerve
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