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Radiology sem 1 > Rad 100: Test Upper Extremities > Flashcards

Rad 100: Test Upper Extremities Flashcards

1
Q

How many bones are In the hand

A

27 bones

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2
Q

How many bones are in the fingers

A

14 bones

3 in each finger, 2 in thumb

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3
Q

What do the metacarpals articulate with at their distal end?

A

Proximal phalanges

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4
Q

Name the carpal bones in the proximal row

A

Scaphoid (navicular)
Lunate (semi-lunar)
Triquetral (cuniform)
Pisiform

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5
Q

What is another name for the navicular carpal bone?

A

Scaphoid

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6
Q

What is another name for the lesser multangular?

A

Trapezoid (2nd in distal row of carpals)

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7
Q

What two bones for the saddle joint?

A

1st metacarpal & greater multangular (trapezium)

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8
Q

What carpal bone is medial to capitates?

A

Hamate is medial to capitates

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9
Q

Where is the centering point for the PA of the 3rd digit?

A

PIP joint

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10
Q

When xraying the 4th digit, which lateral is used?

A

Lateral medial for 4th & 5th

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11
Q

I’m an AP thumb, where is the central ray located?

A

Perpendicular to MCP joint (1st mcp)

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12
Q

When the hand is PA, what position is the thumb?

A

Oblique

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13
Q

Where is the central day located for the PA hand?

A

Centered 3rd MCP

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14
Q

Where is the central ray located for the lateral hand?

A

Centered 2nd MCP

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15
Q

Which projection of the hand is useful in diagnosis of rheumatoid arthritis?

A

Ball-catcher

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16
Q

When doing a lateral wrist, which forearm bone is closest to the image receptor?

A

The ulna

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17
Q

When doing a lateral wrist, what is the position of the elbow?

A

90

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18
Q

Name the 2 views specifically done to demonstrate the scaphoid bone

A

1) PA ulnar deviation

2) stecher method

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19
Q

How many degrees is the tube angled in the Gaynor-Hart Method?

A

Central ray=25-30

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20
Q

Which bone of the forearm is lateral?

A

Radius

21
Q

Name 2 processes of the ulna that are found at the proximal end?

A

Coronoid & olecranon process

22
Q

Where is the head of the radius located?

A

Proximal to radius

23
Q

What does the radial head articulate with on the humerus?

A

Capitulum

24
Q

What is the name of the process found on the distal radius?

A

Radial styloid process

25
Q

I’m pronation if the hand, what happens to the radius and ulna?

A

They “flip” positions or they cross over

26
Q

What is the importance of fat pads?

A

Displacement helps diagnose fractures of the radial head and neck

27
Q

In an AP forearm, what is the relationship of the humeral epicondyles to the image receptor?

A

Parallel

28
Q

How do you know you have a good lateral forearm?

A

1) Radius & ulna superimposed @ distal end
2) Perpendicular/superimposition of humeral epicondyles
3) See elbow joint

29
Q

In a lateral elbow, what is the position of the humeral epicondyles?

A

Perpendicular/ superimposed

30
Q

When the elbow is flexed, which process is in the fossa?

A

Coronoid process

31
Q

Which projection of the elbow BEST demonstrates the trochlear notch?

A

Lateral

32
Q

Which projection of the elbow BEST demonstrates the coronoid process?

A

AP oblique with medial rotation

33
Q

Which projection of the elbow BEST demonstrates the radial head free of superimposition?

A

Lateral oblique (coyle method )

34
Q

When doing a trauma elbow with a patient who cannot extend the arm, how many projections need to be taken to demonstrate an AP?

A

2

35
Q

What structure is demonstrated in the Jones Method?

AP acute flexion= bending as far as it will go. Central ray shoots straight through olecranon process

A

Olecranon process

36
Q

In a lateral elbow, how many exposures need to be taken to demonstrate the entire radial head circumference?

A

4

37
Q

Where is the trochlea of the humerus located?

A

Distal end of humerus (medial side)

38
Q

What is the most proximal portion of the humerus called?

A

Head

39
Q

Where is the lesser tuberosity located?

A

Ok anterior humerus below the anatomical neck

40
Q

On the humerus, what is the name of the neck round beneath the tubercles?

A

Surgical neck

41
Q

What is the name of the fossa found on the posterior, distal humerus?

A

Olecranon fossa

42
Q

What type of joint is the elbow joint?

A

Hinge

43
Q

Where is the deltoid tubercle found?

A

Body (shaft) is humerus

44
Q

In an AP humerus, how many inches above the top of the shoulder is the image receptor?

A

1 1/2 in should be above the head of the humerus

45
Q

In an AP humerus, which tubercle is demonstrated?

A

Lesser tubercle

Points out towards medially brining it into the profile

46
Q

When performing a humerus in an AP projection, what is the position of the hand?

A

Supinated

47
Q

What is another name of the transthoracic lateral?

Typically 3rd view of humerus typically in trauma

A

The Lawrence method

48
Q

In a transthoracic lateral, what is the breathing tech?

A

Capturing the image as the patient is breathing. Issuing a longer exposure time (mas) of 2-3 sec)

Radiology sem 1 (8 decks)

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