RTBC Upper Extremity Exam |
Questions with Complete Answers
How should a patient's uninjured arm be positioned for a transthoracic lateral
projection, Lawrence method, of the humerus? - ANSWER Raised up over the head
Where is the central ray directed for a transthoracic lateral projection, Lawrence
method, of the humerus? - ANSWER Surgical neck
How much tube angulation is needed when performing a transthoracic lateral
projection, Lawrence method, of the humerus on a patient with an uninjured arm on
the unaffected side? - ANSWER The tube should not be angled
When performing a transthoracic lateral humerus, which marker should be used
when the left arm is injured? - ANSWER Left marker
What is the required source to image distance (SID) for a Postero-anterior projection of
the finger digits 2-5? - ANSWER 40 inches
What is the recommended positioning for a patient's finger for a lateral projection
of the fourth digit? - ANSWER Rest the hand on the ulnar surface with the fourth
finger extended
To ensure that the thumb is positioned correctly for an anteroposterior projection,
the patient should: - ANSWER Rotate the hand internally, supinating the thumb
, How should a patient's hand be positioned for a lateral thumb radiograph? - ANSWER
Fingers curled clear from overlapping the thumb
In order to obtain an oblique position of the first digit (thumb) what surface of the
hand should be in contact with the image receptor? - ANSWER Palmar
What is the recommended central ray entrance point for a lateral projection of the
first digit? - ANSWER 1st metacarpophalangeal joint (MCP)
What is the required source image distance for an anteroposterior projection of
the thumb? - ANSWER 40 inches
What is the recommended central ray entrance point for a posterioanterior projection
of the second digit? - ANSWER 2nd proximal interphalangeal (PIP) joint
What is the central ray entrance point for a posterioanterior projection of a hand? -
ANSWER 3rd MCP joint
When performing an oblique hand projection, the patient's hand should be rotated: -
ANSWER 45 degrees
Which of the following should be demonstrated on appropriately positioned,
posterioanterior hand radiograph? - ANSWER Equal concavity of the metacarpal bodies
For a posteroanterior hand radiograph, the patient's arm should be bent: - ANSWER 90
degrees
For a posterioanterior, oblique projection of the hand, central ray, should be centered
at which of the following structures? - ANSWER 3rd MCP joint
Questions with Complete Answers
How should a patient's uninjured arm be positioned for a transthoracic lateral
projection, Lawrence method, of the humerus? - ANSWER Raised up over the head
Where is the central ray directed for a transthoracic lateral projection, Lawrence
method, of the humerus? - ANSWER Surgical neck
How much tube angulation is needed when performing a transthoracic lateral
projection, Lawrence method, of the humerus on a patient with an uninjured arm on
the unaffected side? - ANSWER The tube should not be angled
When performing a transthoracic lateral humerus, which marker should be used
when the left arm is injured? - ANSWER Left marker
What is the required source to image distance (SID) for a Postero-anterior projection of
the finger digits 2-5? - ANSWER 40 inches
What is the recommended positioning for a patient's finger for a lateral projection
of the fourth digit? - ANSWER Rest the hand on the ulnar surface with the fourth
finger extended
To ensure that the thumb is positioned correctly for an anteroposterior projection,
the patient should: - ANSWER Rotate the hand internally, supinating the thumb
, How should a patient's hand be positioned for a lateral thumb radiograph? - ANSWER
Fingers curled clear from overlapping the thumb
In order to obtain an oblique position of the first digit (thumb) what surface of the
hand should be in contact with the image receptor? - ANSWER Palmar
What is the recommended central ray entrance point for a lateral projection of the
first digit? - ANSWER 1st metacarpophalangeal joint (MCP)
What is the required source image distance for an anteroposterior projection of
the thumb? - ANSWER 40 inches
What is the recommended central ray entrance point for a posterioanterior projection
of the second digit? - ANSWER 2nd proximal interphalangeal (PIP) joint
What is the central ray entrance point for a posterioanterior projection of a hand? -
ANSWER 3rd MCP joint
When performing an oblique hand projection, the patient's hand should be rotated: -
ANSWER 45 degrees
Which of the following should be demonstrated on appropriately positioned,
posterioanterior hand radiograph? - ANSWER Equal concavity of the metacarpal bodies
For a posteroanterior hand radiograph, the patient's arm should be bent: - ANSWER 90
degrees
For a posterioanterior, oblique projection of the hand, central ray, should be centered
at which of the following structures? - ANSWER 3rd MCP joint
