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Positioning #2 Anatomy
Positioning
100
Other
Professional
06/04/2015

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Term
How many interphalangeal joints are found in one upper limb?
Definition
9
Term
Each proximal phalanx articulates with a:
Definition
Metacarpal
Term
Which bones comprise the palm of the hand?
Definition
Metacarpals
Term
Which joint is formed by the articulation of the distal end of the middle phalanx with the proximal end of the distal phalanx of the index finger?
Definition
The distal interphalangeal joint of the second digit
Term
Which joint is formed by the articulation of the proximal end of the middle phalanx with the distal end of the proximal phalanx of the ring finger?
Definition
The proximal interphalangeal joint of the fourth digit
Term
Which joint is a hinge type joint?
Definition
Interphalangeal
Term
How many metacarpal bones are found in one upper limb?
Definition
5
Term
Which of the following articulates with the bases of metacarpal bones?
Definition
Carpals
Term
Which joint of the hand is formed by the articulation of the head of a metacarpal with a digit?
Definition
Metacarpophalangeal
Term
Which joints of the hand are formed by the articulation of the bases of the metacarpals with the bones of the wrist?
Definition
Carpometacarpals
Term
Which joint is a ellipsoid joint?
Definition
Metacarpophalangeal
Term
Which articulation of the upper limb is a saddle joint that allows the thumb to oppose the fingers?
Definition
First carpometacarpal
Term
Which bones are located in the proximal row of the wrist?
Definition
Scaphoid, lunate, pisiform, and triquetrum
Term
Which bones are located in the distal row of the wrist?
Definition
Hamate, capitate, trapezium, and trapezoid
Term
Where in the wrist is the scaphoid bone located?
Definition
Lateral side of the proximal row
Term
Where in the wrist is the trapezium located?
Definition
Lateral side of the distal row
Term
Where in the wrist is the hamate located?
Definition
Medial side of the distal row
Term
What other name refers to the carpal bone known as hamate?
Definition
Unciform
Term
What other name refers to the carpal known as capitate?
Definition
Os magnum
Term
What other name refers to the carpal bone known as trapezium?
Definition
Greater multangular
Term
What other name refers to the carpal bone known as trapezoid?
Definition
Lesser multangular
Term
Which carpal bone has only one name?
Definition
Pisiform
Term
Which bones are classified as short bones in the hand and wrist?
Definition
Carpals
Term
Which joint is the most distal articulation of the wrist?
Definition
Carpometacarpals
Term
Which join is the most proximal articulation of the wrist?
Definition
Radiocarpals
Term
Which two carpal bones are the most lateral bones of the wrist?
Definition
Scaphoid and trapezium
Term
The lunate is situated between the:
Definition
Triquetrum and scaphoid
Term
What other name refers to the carpal bone known as the scaphoid?
Definition
Navicular
Term
Which carpal bone does not articulate with the radius?
Definition
Capitate
Term
Which bony structures are located on the proximal end of the unla?
Definition
Radial notch, olecranon process, and coronoid process
Term
Which bony structures are located on the distal end of the unla?
Definition
Ulnar head and styloid process
Term
Which bony structure is located on the distal end of the radius?
Definition
Styloid process
Term
Which bony structures are located on the proximal radius?
Definition
Head and tuberosity
Term
Which bones comprise the forearm?
Definition
Radius and Ulna
Term
Which structure is located on the lateral aspect of the distal forearm?
Definition
Radial styloid process
Term
Which large bony process is easily located by touching on the posterior aspect of the proximal forearm?
Definition
Olecranon process
Term
Which structure is located on the medial side of the distal forearm?
Definition
Ulnar styloid process
Term
Where is the trochlear notch located?
Definition
Proximal ulna
Term
Which two structures articulate to form the proximal radioulnar joint?
Definition
Head of the radius and radial notch of the ulna
Term
Which two structures articulate to form the distal radioulnar joint?
Definition
Head of the ulna and ulnar notch of the radius
Term
Which articulation do the trochlea and the trochlear notch form?
Definition
Humeroulnar
Term
Which structure articulates with capitulum?
Definition
Radial head
Term
Which structure articulates with the trochlea?
Definition
Proximal Ulna
Term
In which joint is the capitulum located?
Definition
Elbow
Term
In which joint is the trochlea located?
Definition
Elbow
Term
Which type of joint is the elbow?
Definition
Hinge
Term
Where is the capitulum located?
Definition
Lateral side of the distal humerus
Term
With reference from the trochlea, where is the capitulum located?
Definition
Lateral
Term
What is the roughened process of the humerus superior and lateral to the intertubercular groove?
Definition
Greater tubercle
Term
Which bony process is located on the anterior surface of the proximal humerus?
Definition
Lesser tubercle
Term
Which structure articulates with the ulna to form the humeroulnar joint?
Definition
Trochlea
Term
How many articulations does the humerus have?
Definition
3
Term
Which structure articulates with the radius to form the humeroradial joint?
Definition
Capitulum
Term
Which depression is located on the anterior surface of the distal humerus?
Definition
Coronoid fossa
Term
Which depression is located on the posterior surface of the distal humerus?
Definition
Olecranon fossa
Term
Which depression is located between the lesser and greater tubercles of the proximal humerus?
Definition
Intertubercular groove
Term
What is the appropriate collimated field for the PA projection of the second digit?
Definition
1 inch (2.5 cm) on all sides of the digit, including 1 inch proximal to the MCP joint
Term
Which digit of the hand produces the greatest OID in the lateral projection of that digit?
Definition
Third digit
Term
For lateral projections of the second through fifth digits of the hand, through which joint should the central ray be directed?
Definition
Proximal interphalangeal
Term
From prone position, how many degrees should a finger be rotated for the PA oblique projection of that finger?
Definition
45
Term
Which digit of the hand produces the least OID in the lateral projection of that digit?
Definition
Second digit
Term
How should the hand be positioned for the PA oblique projection of the hand?
Definition
From prone position rotate the hand radial side up
Term
What is the centering point for the central ray for the PA projection of the third finger?
Definition
Proximal interphalangeal joint of the third digit
Term
What is the centering point for the central ray on the AP projection of the first digit?
Definition
First MCP joint
Term
What is the appropriate collimated field for all the projections of the first digit?
Definition
1 inch all sides including 1 inch from CMC joint
Term
From prone position how many degrees should a finger be rotated for the lateral projection of that finger?
Definition
90 degrees
Term
What is the appropriate collimated field for a PA projection of the hand?
Definition

1 inch all sides

1 inch distal to the ulnar styloid

Term
For the PA projection of the hand where should the central ray be directed?
Definition
Third MCP joint
Term
From the prone position how many degrees should a hand be rotated for the PA oblique projection of that hand?
Definition
45 degrees
Term
Which of the following is the best for demonstration of a foreign body in the hand?
Definition
Lateral in extension
Term
Which wrist positioning maneuver opens the carpal interspaces on the lateral side of the wrist?
Definition
Ulnar deviation
Term
which wrist projection requires that the IR be inclined toward the elbow at an angle of 20 degrees from horizontal?
Definition
PA axial (stretcher method)
Term
which projection of the wrist corrects foreshortening of the scaphoid carpal bone?
Definition
PA with ulnar deviation
Term
Which projection of the wrist requires that the radial styloid process be superimposed over the ulnar styloid process?
Definition
Lateral
Term
What is the appropriate collimated field for the PA projection of the wrist?
Definition
2.5 inches (6cm) proximal and distal to the wrist joint adn 1 inch on the sides
Term
For the PA projection of the wrist which positioning maneuver should be used to place the anterior surface of the wrist in contact with the IR?
Definition
Slightly arch the hand
Term
Which projection of the wrist best demonstrates the scaphoid carpal bone and its related articulations?
Definition
PA projection, ulnar deviation position
Term
How should the hand and wrist be positioned for the PA oblique projection of the wrist?
Definition
With the hand pronated, roate the wrist radial side up
Term
How should the hand be positioned for the AP projection of the forearm?
Definition
Supinated
Term
What is the appropriate collimated field for all projections of the forearm?
Definition

2 inches distal to the wrist and proximal to the elbow

1 inch on the sides

Term
Which description best explains how radial crossover occurs when the forearm is demonstrated?
Definition
During AP projection, the hand is pronated
Term
For the AP projection of the forearm, which positioning step should be taken to prevent radial crossover?
Definition
Supinate the hand
Term
Which projection of the forearm requires that the elbow be flexed 90 degrees?
Definition
Lateral
Term
When performing a radiograph of a forearm in a fiberglass cast approximately which compensation to exposure technique should occur?
Definition
Increase mAs 25% or 4 kVp
Term
How much should the elbow be flexed for the lateral projection of the elbow?
Definition
90 degrees
Term
Which projection of the elbow best demonstrates the radial head free of bony superimposition?
Definition
AP oblique, lateral rotation position
Term
Which of the following should be used to image the radial head on a trauma patient?
Definition
Axiolateral projection (Coyle Method) of elbow
Term
What is the direction amount of central ray angulation for the axiolateral projection (coyle method) to demonstrate the radial head and capitulum?
Definition
45 degrees toward the shoulder
Term
Which projection and position of the upper limb best demonstrates the coronoid process in profile and free of superimposition?
Definition
AP oblique of the elbow in medial rotaion position
Term
What is the appropriate collimated field for the AP projection of the elbow?
Definition

3 in (7.6cm) proximal and distal to the elbow joint

1 inch on the sides

Term
With reference to the plane of the IR how should the humeral epicondylar coronal plane be positioned for the AP projection of the elbow?
Definition
Parallel
Term
Which projection of the elbow best demonstrates the olecranon process in profile?
Definition
Lateral projection
Term
For axiolateral projection (coyle method) of the elbow to demonstrate the coronoid process the elbow is:
Definition
Flexed 80 degrees
Term
What is the central ray orientation for the axiolateral projection of the elbow to demonstrate the coronoid process when the patient is seated?
Definition
Angled 45 degrees away from the shoulder
Term
Which positioning characteristic best indicates that the humerus is properly positioned for the AP projection of the humerus?
Definition
The humeral epicondylar coronal plane is parallel with the IR
Term
Which evaluation criterion indicates that the humerus was properly positioned for the AP projection?
Definition
The humeral head and greater tubercle are both seen in profile
Term
One way that the lateral radiograph of a humerus produced with the patient in the lateral decubitus position and the IR placed between the arm and thorax, appears different from the lateral position with the patient standing is that the former demonstrates:
Definition
Less than the entire humerus
Term
With reference to the plane of the IR how is it determined that the humerus is properly positioned in true lateral position?
Definition
The humeral epicondylar coronal plane is perpendicular
Term
Which evaluation criterion indicates that the humerus was properly positioned for the lateral projection?
Definition
The lesser tubercle is seen in profile
Term
What is the appropiate collimated field for the AP and lateral projection of the humerus?
Definition

2 in distal to elbow and superior to the shoulder

1 in on sides

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