ANATOMY – ARM EXAM QUESTIONS AND
ANSWERS GRADED A+ 100% VERIFIED.
What is separates the arm into the anterior and posterior
components? ANS >>> The intermuscular septum (medial and
lateral).
What nerve innervates the muscles of the posterior arm? ANS >>>
Radial Nerve.
What nerve innervates the muscles of the anterior arm? ANS >>>
Musculocutaneous Nerve.
Which main terminal branches have no innervation in the arm,
but pass through to innervate the forearm? ANS >>> Median
Nerve and Ulnar Nerve
, What is the vein that arises on the dorsoproximal surface of the
hand and courses proximally along the radial surface of the
forearm? ANS >>> Cephalic Vein.
What is the vein that arises on the ulnar side of the hand,
courses up the medial aspect of the forearm, and in the arm,
pierces the brachial fascia at the junction between the middle
and lower thirds of the arm? ANS >>> Basilic Vein
What is the lateral condyle on the distal humerus called? ANS >>>
Capitulum.
What is the medial condyle on the distal humerus called? ANS >>>
Trochlea.
What exists right below the deltoid tuberosity on the humerus?
ANS >>> Spiral (or radial) groove.
What ligament holds the head of the radius close to the ulna?
ANS >>> Annular Ligament.
In pronation, the distal radius is rolled ___ the distal ulna. ANS >>>
Over.
ANSWERS GRADED A+ 100% VERIFIED.
What is separates the arm into the anterior and posterior
components? ANS >>> The intermuscular septum (medial and
lateral).
What nerve innervates the muscles of the posterior arm? ANS >>>
Radial Nerve.
What nerve innervates the muscles of the anterior arm? ANS >>>
Musculocutaneous Nerve.
Which main terminal branches have no innervation in the arm,
but pass through to innervate the forearm? ANS >>> Median
Nerve and Ulnar Nerve
, What is the vein that arises on the dorsoproximal surface of the
hand and courses proximally along the radial surface of the
forearm? ANS >>> Cephalic Vein.
What is the vein that arises on the ulnar side of the hand,
courses up the medial aspect of the forearm, and in the arm,
pierces the brachial fascia at the junction between the middle
and lower thirds of the arm? ANS >>> Basilic Vein
What is the lateral condyle on the distal humerus called? ANS >>>
Capitulum.
What is the medial condyle on the distal humerus called? ANS >>>
Trochlea.
What exists right below the deltoid tuberosity on the humerus?
ANS >>> Spiral (or radial) groove.
What ligament holds the head of the radius close to the ulna?
ANS >>> Annular Ligament.
In pronation, the distal radius is rolled ___ the distal ulna. ANS >>>
Over.
