RAD 121 QUIZ ELBOW & HUMERUS QUESTIONS WITH
VERIFIED ANSWERS
What type of bone is the Humerus - Answers - long bone
What does the proximal end of the humerus form? - Answers - glenoid fossa forms the
shoulder
What does the distal end help form on the humerus? - Answers - elbow
What is the most fractured area of the humerus? - Answers - Surgical neck
Is the trochlea medial or lateral? - Answers - medial
What bone does the capitulum articulate with? - Answers - head of the radius (CAP ON
THE HAT)
Is the capitulum lateral or medial? - Answers - lateral
What are the two grooves that separate the greater and lesser tubercle? - Answers -
bicipital groove and inter tubercular groove
What does the trochlea of the humerus articulate with on the ulna? - Answers - trochlear
notch
what articulates from a synovial hinge joint? - Answers - humeroulnar and humeroradial
What is a synovial hinge joint>? - Answers - allows only flexion and extension
movement
How many concentric arcs will you see in a good lateral elbow? - Answers - 3
what is the 1st and smallest arc? - Answers - trochlear sulcus
what is the 2nd concentric arc? - Answers - double-lined ridged arc smaller arc is the
capitulum larger arc is the trochlea
What is the 3rd concentric arc? - Answers - trochlear notch of the ulna
When do you see the three concentric arcs. What flexion? - Answers - 90 degree flexion
What is nursemaid's elbow? - Answers - subluxation and dislocation of radial head
VERIFIED ANSWERS
What type of bone is the Humerus - Answers - long bone
What does the proximal end of the humerus form? - Answers - glenoid fossa forms the
shoulder
What does the distal end help form on the humerus? - Answers - elbow
What is the most fractured area of the humerus? - Answers - Surgical neck
Is the trochlea medial or lateral? - Answers - medial
What bone does the capitulum articulate with? - Answers - head of the radius (CAP ON
THE HAT)
Is the capitulum lateral or medial? - Answers - lateral
What are the two grooves that separate the greater and lesser tubercle? - Answers -
bicipital groove and inter tubercular groove
What does the trochlea of the humerus articulate with on the ulna? - Answers - trochlear
notch
what articulates from a synovial hinge joint? - Answers - humeroulnar and humeroradial
What is a synovial hinge joint>? - Answers - allows only flexion and extension
movement
How many concentric arcs will you see in a good lateral elbow? - Answers - 3
what is the 1st and smallest arc? - Answers - trochlear sulcus
what is the 2nd concentric arc? - Answers - double-lined ridged arc smaller arc is the
capitulum larger arc is the trochlea
What is the 3rd concentric arc? - Answers - trochlear notch of the ulna
When do you see the three concentric arcs. What flexion? - Answers - 90 degree flexion
What is nursemaid's elbow? - Answers - subluxation and dislocation of radial head
