SonoSim Elbow Module – Anatomy &
Physiology – Verified Q&A – 2025
Which of the following structures would typically be seen with the ultrasound transducer positioned
along the left posterior elbow, as seen in this image?
A.Ulnar nerve
B.Olecranon
C.Medial epicondyle
D.All of the above
Your Answer: Correct
E.B and C only - ✔✔
Which of the following statements correctly characterizes the elbow joint?
A.The humeroulnar, humeroradial, and radioulnar joints share a common joint capsule.
B.The elbow joint capsule consists of synovial and fibrous membranes that are separated by fat deposits
along the radial, coronoid, and olecranon fossae.
C.Pathologic fluid within the elbow joint often displaces fat pads from their typical locations.
D.All of the above
Your Answer: Correct
E.None of the above - ✔✔D
What is the structure identified by the indicator line in this accompanying longitudinal view ultrasound
image, taken along the posterior surface of a flexed elbow?
A.Biceps brachii muscle
B.Supinator muscle
C.Superficial olecranon bursa
D.Posterior fat pad
Your Answer: Correct
, E.None of the above - ✔✔D
Which of the following contributes towards forming the common flexor tendon of the elbow?
A.Flexor carpi ulnaris muscle
B.Biceps brachii muscle
C.Palmaris longus muscle
D.Brachioradialis muscle
E.A and C - ✔✔E
Which of the following best characterizes elbow anatomy?
A.A radioulnar joint articulation exists between the medial surface of the radial head and the radial
notch of the lateral proximal ulna.
B.The radial head articulates with both the ulna and the capitellum.
C.The trochlea articulates with the olecranon.
D.All of the above
Your Answer: Correct
E.A and C only - ✔✔D
Which of the following correctly characterizes the sonographic appearance of the radial nerve as it
traverses the elbow?
A.It can be identified traveling within the fascial plane separating the biceps brachii and brachialis
muscles.
B.It has a circular homogenous anechoic core with a hyperechoic rim when viewed in short axis.
C.It bifurcates into a motor and sensory branch in proximity to the antecubital fossa.
Your Answer: Correct
D.All of the above
E.A and B only - ✔✔C
What is the structure demarcated by the indicator arrow in this accompanying transverse view image of
the antecubital fossa, taken using an anterior approach?
Physiology – Verified Q&A – 2025
Which of the following structures would typically be seen with the ultrasound transducer positioned
along the left posterior elbow, as seen in this image?
A.Ulnar nerve
B.Olecranon
C.Medial epicondyle
D.All of the above
Your Answer: Correct
E.B and C only - ✔✔
Which of the following statements correctly characterizes the elbow joint?
A.The humeroulnar, humeroradial, and radioulnar joints share a common joint capsule.
B.The elbow joint capsule consists of synovial and fibrous membranes that are separated by fat deposits
along the radial, coronoid, and olecranon fossae.
C.Pathologic fluid within the elbow joint often displaces fat pads from their typical locations.
D.All of the above
Your Answer: Correct
E.None of the above - ✔✔D
What is the structure identified by the indicator line in this accompanying longitudinal view ultrasound
image, taken along the posterior surface of a flexed elbow?
A.Biceps brachii muscle
B.Supinator muscle
C.Superficial olecranon bursa
D.Posterior fat pad
Your Answer: Correct
, E.None of the above - ✔✔D
Which of the following contributes towards forming the common flexor tendon of the elbow?
A.Flexor carpi ulnaris muscle
B.Biceps brachii muscle
C.Palmaris longus muscle
D.Brachioradialis muscle
E.A and C - ✔✔E
Which of the following best characterizes elbow anatomy?
A.A radioulnar joint articulation exists between the medial surface of the radial head and the radial
notch of the lateral proximal ulna.
B.The radial head articulates with both the ulna and the capitellum.
C.The trochlea articulates with the olecranon.
D.All of the above
Your Answer: Correct
E.A and C only - ✔✔D
Which of the following correctly characterizes the sonographic appearance of the radial nerve as it
traverses the elbow?
A.It can be identified traveling within the fascial plane separating the biceps brachii and brachialis
muscles.
B.It has a circular homogenous anechoic core with a hyperechoic rim when viewed in short axis.
C.It bifurcates into a motor and sensory branch in proximity to the antecubital fossa.
Your Answer: Correct
D.All of the above
E.A and B only - ✔✔C
What is the structure demarcated by the indicator arrow in this accompanying transverse view image of
the antecubital fossa, taken using an anterior approach?
