Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Px > Practice Exam > Flashcards

Practice Exam Flashcards

1
Q
  1. A below knee amputee is seen in your clinic for a follow up appointment and states he feels anterior/distal discomfort in his prosthetic socket. Choose all correct answer(s) to address this problem:
A

Extend socket, add pretibial pads

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
  1. A below the knee amputee is seen in your clinic for a follow up appointment and states he has posterior knee or hamstring discomfort. Choose all correct answer(s) to address this problem:
A

A) lower the posterior medial brim on the prosthetic socket
C) Flex the prosthetic socket
D) Align prosthetic foot more posterior in relation to the prosthetic socket

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which level(s) of amputation may lead to an equinus gait deformity:

A

A) Lisfranc amputation
B) Chopart amputation
D) Transmetatarsal amputation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  1. A below knee amputee presents in clinic wearing a PTB style endoskeletal prosthesis with general knee pain and distal end pressure. The patient doffs her prosthesis and liner, upon examination of her residual limb you note redness on the distal tibia and inferior aspect of the patella bone. What would be the most logical clinical action(s) you could take at this point in addressing this problem:
A

C) Add a gastroc pad to prosthetic socket

D) Add a 1 ply prosthetic sock over liner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are two advantages in the list below of myodesis over myoplasty with regards to amputations:

A

B) Decreased rate of muscular atrophy

C) Decreased rate of antagonistic muscular imbalances

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
  1. A TF patient is seen in clinic that exhibits lateral/proximal loss of contact in stance. Upon prosthetic fit examination it is noted the lateral wall is superior to the greater trochanter, the anterior wall contours to the adductor longus tendon, the posterior socket does not encompass the ischial tuberosity, the medial wall is located 65mm inferior to the perineum. What do you attribute to the cause of this deviation:
A

D) The medial wall is located too far inferior to the perineum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  1. With a Krukenberg procedure what muscle is the driver of the pincer grip:
A

B) Pronator teres

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. What are simple option(s) for increasing the ease of pre-positioning the prosthetic elbow in flexion, for a TH amputee utilizing a body powered prosthesis who lacks glenohumeral flexion strength and biscapular abduction strength but can operate a elbow lock:
A

A) Have the forearm lift tab located distally/anterior-By moving the forearm lift tab anterior/distal you move the pull angle anterior to bridge the elbow joint whereby decreasing the force necessary to move the forearm section about the humeral section.
D) Check the level of resistance in the cable housing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  1. What bony landmark is utilized for a weight bearing prosthesis in a hip disarticulation:
A

C) Ischial tuberosity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  1. You are doing a gait assessment with your patient that has a below knee prosthesis. You notice that there is lateral trunk bending at mid stance to the prosthetic side. Choose the choice that would NOT be a potential cause of this gait deviation:
A

A) Prosthesis too short B) Residual limb pain C) Prosthesis too long D)WEAK QUADS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
  1. A TF patient is seen in your clinic. It is noted that as he ambulates with a circumducted gait. Select ALL possible causes:
A

A) Prosthesis height is longer than his sound side ischial tuberosity to floor measurement
B) Prosthetic suspension is not adequate
C) The user does not have adequate hip flexor strength
D) Prosthetic foot is plantar flexed excessively

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  1. TT prosthetic sockets that are excessively extended cause excessive pressure in what areas:
A

A) anterior/proximal

C) posterior/distal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  1. In a transmetatarsal amputation you would expect to see what gait deviation:
A

A) Absent push off

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

34.What muscle group would you expect to be the weakest in an above knee amputee:

A

D) Hip adductors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

When flexing an AK socket to accommodate a flexion contracture what concurrent alignment adjustment should also be made:

A

D) Move the prosthetic knee posterior-When ever you flex an AK socket this move the prosthesis weight line posterior to the prosthetic knee whereby decreasing knee stability. By making a linear adjustment moving the prosthetic knee posterior knee stability can be maintained. Note: always utilize manufacturer instructions for pinpointing knee location with respect to the socket

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. An AK patient is seen in clinic. When ambulating the patient complains of knee instability. What alignment change could possibly assist in regaining knee stability:
A

A) Extend the prosthetic socket-By making an angular adjustment moving the prosthetic socket into extension we can decrease ground reaction forces running posterior to the knee center whereby promoting knee stability. Note: extend socket with caution as to not cause hyperlordosis when range of motion at the hip is limited.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Choose all answers that are considered benefits of polycentric knees:

A

A) They relatively shorten in swing phase of AK prosthetic gait
B) They provide increased cosmesis when sitting
C) They are inherently stable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What muscle is responsible for scapular elevation:

A

A) Trapezius muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

A TF client is seen in clinic, upon doffing the suction socket you notice a red, wart like formation, and cracked skin distally. Choose the name of this condition AND its cause:

A

A) Verrucous hyperplasia

D) Incomplete seating of residual limb in prosthetic socket

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q
  1. A TH patient is seen in clinic. The patient is utilizing a body powered prosthesis and is wondering which terminal device would be best suited for holding a broom handle:
A

555

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q
  1. With a hip disarticulation prosthesis, what is used for suspension:
A

Iliac crest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q
  1. When fitting a figure of 8 harness with a NW ring on a TR patient, why is it advantageous to locate the NW slightly toward the sound side and at the level of C7:
A

B) It will position the control cable optimally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q
  1. When recommending an ischial containment TF socket what are some of the biomechanical goals that accompany this design:
A

A) The ischial seat provides a weight bearing surface

B) By containing the ischium we can decrease distal lateral discomfort in weight bearing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q
  1. A TF patient is seen in clinic. Upon socket fit evaluation the ischial-tuberosity is not located on the seat but further down in the socket. What adjustment could you attempt to remedy this:
A

A) Add a prosthetic sock

C) Add pad adjacent to scarpas triangle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q
  1. With a below elbow amputation all of these muscles would be transected
A

A) Flexor carpi radialis
C) Brachioradialis
D) Pronator quadratus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q
  1. A TT patient is seen in clinic. The patient has been utilizing a TT prosthesis successfully for 10 years but the patient has a grade 1 osteochondral defect “OCD” to his medial femoral condyle that is painful in weight bearing . What alignment change could you incorporate assist in the clients discomfort:
A

A) Outset the foot 3mm—By outsetting the foot you can create an external genu valgum moment at the knee in weight bearing. By creating an external genu valgum moment you can assist in opening the medial knee compartment and pressure over the OCD

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q
  1. Which muscle is the primary forearm supinator:
A

A) Biceps brachii

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q 
70. All of the following muscles make up the pes anserinus except:
A) Sartorius
B) Gracilis
C) Semitendinosus
D) Semimembranosus
A

D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q
  1. When evaluating fluid TF prosthetic knees, which type of resistance is most adversely effected by cold environmental temperature changes:
A

Hydraulic?

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q
  1. In TF prosthetic alignment the relationship between the posterior socket shelf and the lateral wall is referred to as:
A

Adduction angle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q
  1. In determining the correct length of the prosthesis what bony landmark is NOT used:
    A) Greater trochanter
    B) Iliac crest
    C) Anterior superior iliac spine D) Posterior superior iliac crest
A

A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q
  1. A force of 2 lbs. is exerted on a 1.5 foot lever arm. What amount of force must be exerted on a 2 foot lever arm to balance the system:
A

C - (2 * 1.5 = 2 * X), X =1.5 lbs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q
  1. A TF client is seen in clinic, a medial whip is noted in prosthetic gait. What adjustment would be appropriate to normalize swing phase alignment:
A

B) Internally rotate the prosthetic knee

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q
  1. When a prosthetic foot inset is increased, socket pressures will become more apparent:
A

A) Lateral/Distal & Medial/Proximal —As prosthetic foot inset is increased pressures in the socket increase lateral/Distal & Medial/Proximal. (15, 21)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q
  1. When evaluating the mechanics of a prosthetic foot, it could be said that the resistance of the prosthetic keel is acting like which muscular group and what type of muscular contraction:
A

D) Ankle plantarflexors & Eccentric contraction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q
  1. When aligning the prosthetic socket posterior in relation to the prosthetic foot, forces present in the socket will increase where:
A

A) Anterior/Proximal & Posterior/distal-When moving the socket posterior in relation to the prosthetic foot the length of the prosthetic foot keel is relatively longer causing an extension moment at the knee in midstance as well as increased socket pressures anterior/proximal & posterior/distal.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q
  1. For prosthetic patients utilizing a cane in rehabilitation, why is it recommended that the cane be held in the hand opposite the side of involvement? Choose ALL correct answers:
A

A) To give tripod base for support
B) To facilitate natural arm swing
C) To facilitate normal prosthetic step length D) To encourage knee stability and confidence

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q
  1. When recommending a prostheses for a bilateral TR patient what style of suspension would you not recommend:
    A) Northwestern self suspending sockets
    B) Custom silicone suction suspension sockets C) Munster self suspending sockets
    D) Pin lock suspension sockets
A

C -Munster self suspending sockets are contraindicated for bilateral TR amputees as they require a pull sock to be utilized for donning the prosthesis which requires at least one sound hand to assist in the process. (20, 21, 25)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q
  1. When fabricating a TH prosthesis it is important to add pre-flexion to the prosthetic elbow, why is this:
A

B) To decrease force necessary to initiate elbow flexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q
  1. With respect to TF quadrilateral socket measurements, which measurement would the following calculations be used for? (Measure the ischial level circumference and divide it by three, then subtract 6mm):
A

D) Medial/Lateral measurement-By measuring the ischial level circumference, dividing by 3, and then subtracting 6mm you are determining the M/L measurement for a Quadrilateral socket.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q
  1. Injury to the superior gluteal nerve will result in what gait deviation:
A

Trendelenburg gait

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q
  1. A force of 9lbs is applied at the harness in a TR prosthesis, in order to maintain the minimum acceptable efficiency of the cable/cable housing, how much force must be needed in order to open the prosthetic hook:
A

6.3lbs-70% is the minimum accepted cable/cable housing efficiency. (9Lbs * .7 = 6.3lbs). (20, 21, 25)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

When modifying a TF Quadrilateral plaster mold, if you are trying to increase the amount of adduction on the mold what must you do to maintain a level posterior shelf:

A

Shave plaster off laterally

44
Q
  1. The talus does not articulate with the:
A

Cuboid

45
Q
  1. The tibial nerve innervates muscles to the_____portion of the leg, while the deep fibular nerve innervates muscles on the _____ portion of the leg:
A

A) posterior, anterior

46
Q

You place a shrinker on a below knee amputee patient 3 weeks post op and notice that he keeps a pillow under his knee. What joint(s) would you expect a contracture if this persists:

A

B) Knee flexion and hip flexion contracture

47
Q
  1. T/F, A silesian belt is used to increase coronal plane stability in TF prosthesis applications:
A

False

48
Q
  1. Your patient has a transtibial amputation and was just fitted with a PTB socket. During your session with the patient for initial fitting, you have him walk in the parallel bars. After which you inspect the skin of the residual limb. You would not expect redness in what area(s):
A

A) Distal residual limb
B) Anterior tibia and tibial crest
C) Fibular head and cut end of the fibula D) Tibial tuberosity and patellar bone

49
Q 
23 yo TF amputee with a 30 degree hip flexion contracture fit with?
a. Polycentric with multiaxial, 
hydraulic with SACH, 
pneumatic with SACH, 
single axis
A

multi axial

50
Q

K levels determined by all but

a. Months since amputation
b. Medical history
c. Activity level
d. Patient goals

A

Medical history

51
Q

Subtalar joint is articulation of

A

talus with calcaneus

52
Q

Removal of the hallux requires what of the sesamoid bones?

a. Fusion
b. Remain intact
c. Excise

A

Remain intact- keeps windlass mechanism

53
Q

Amputation of the first ray results in what position of the foot?

A

Planovalgus

54
Q

If the ischial tuberosity is placed too far toward the medial side of the IC seat, it results in:

A

Crowding of adductor muscles into small area, causing a burning sensation

55
Q

When adductor longus tightness is observed during initial fitting or the AK socket you should:

A

Flare and contour anterior-medial corners

56
Q

The suction socket prosthesis is aligned so that involuntary alignment stability is minimized and voluntary knee control by stump action is emphasized.

A

In order that a minimum amount of energy is consumed during walking

57
Q

If the ischial seat of the AK socket is made too wide, it will cause

A

Burning sensation when the wearer is seated, because of excessive stretching of the skin

58
Q

At push-off it is common for an AK amputee with well developed hamstrings muscles to force himself off the IC seat as his RL extends, how can this trouble be avoided?

A

Align the socket in a position of initial flexion

59
Q

What is the effect of excessively shimming the DF stop to place the shank in a vertical position?

A

Excessive increase in range of PF with increase in knee stability

60
Q

If the medial lateral dimension of the socket is too large:

A

Ischial tuberosity will move laterally on seat

61
Q

What is the result of locating the toe-break too far forward in the prosthetic foot?

A

Give amputee a feeling of climbing a hill causing excessive energy consumption and awkward gait

62
Q

When hamstring muscle tightness is observed during Intial fitting of the AK socket you should:

A

Relieve the lateral border of the scarpa’s bulge

63
Q

AK vaulting factors:

A

Px too long
Excessive knee friction
Inadequate suspension

64
Q

A characteristic of the constant friction knee

A

Reduces heel rise at normal cadence
Provides great stability-with break system is activated locking unit
Great for user with hip weakness

65
Q

How is the medial lateral dimension of the quadrilateral AK socket determine?

A

Divide thigh circumference at ischial level by three

66
Q

In a total contract suction socket, edema is prevented by

A

Alternating negative and positive pressures

67
Q

Which adductor muscle is always transacted in a knee disarticulation amputation

A

Gracillis- connects to proximal tibia

68
Q

A burning or stretching sensation near the ischial area of an AK patient, while he is sitting, is most likely to be caused by

A

Inadequate flare of the posterior wall

69
Q

If the amount of adduction must be decreased on the AK plaster mold, how must the posterior shelf be modified (quad)

A

Add plaster lateral

70
Q

In quad socket what can cause discomfort in the hamstring

A

Socket AP diameter too small
Excessively wide ischial shelf
Insufficient radius along ischial brim

71
Q

When a mechanical friction knee is used in an AK prosthesis, it can be expected that excessive heel rise will occur

A

At faster than normal cadence

72
Q

During dynamic alignment on a Berkeley AK adjustable leg. The pylons is noted to slant medially. This indicates that:

A

There is excessive adduction of the socket

73
Q

Patients with short AK amputations generally exhibit lateral bending of the trunk furring locomotion due to:

A

Loss of an adequate lever arm

74
Q

On an AK socket, where should the axis of a single-axis hip joint be located with reference to the patient’s greater trochanter?

A

Anterior and superior

75
Q

One reason for initial flexion in an AK socket is to

A

Permit even stride length during walking

76
Q

A common cause of excessive pressure on the inferior pubic ramps in a quadrilateral AK socket is:

A

Anterior posterior dimension that is too large

77
Q

The center of gravity of the adult maple is located on the inline on the body at approximately the level of the

A

Second sacral vertebra

78
Q

Pressure is derailed by

A

Force/area

79
Q

During NHL, b/w heel contact and foot flat, the GRF tends to cause which moments at the hip?

A

Hip flexion, knee flexion

80
Q 
Which of the following muscles is most readily identified by palpating:
Iliopsoas
Vastus itermedius
Sartorius
Pectineus
Gluteus minimus
A

Sartorius

81
Q

The muscle which pass posterior to the medial malleolus at the ankle act to

A

Invert and PF

82
Q

Bones that form the acetabulum

A

Ilium, pubis, ischium

83
Q 
Which of the following inserts on the lesser trochanter?
Gluteus Maximus
Adductor longus
Vastus medialis
Quadratus femoris
Iliopsoas
A

Iliopsoas

84
Q

In a Canadian hip disarticulation socket, which of the following is not affected by AP placement of the hip joint?
Hip joint alignment stability
Length discrepancy b/w px and anatomical knee during sitting
Toe clearance during swing
Lateral stability during stance phase
Stride length

A

Lateral stability during stance phase

85
Q

With respect to the hip and knee joints at midstance, the ground reaction line for a hip disarticulation px passes:

A

Posterior to hip, anterior to knee

86
Q

Immediate post-surgical fitting of the upper limb amputee offers all the following advantages except
Early maturation of RL
More rapid rehabilitation
Greater RL ROM
Early return of two handed grasp patterns

A

Greater RL ROM

87
Q

A MECHANICAL Partial hand prosthesis would probably be contraindicated for a trans metacarpal amputation with:

A

The thumb and index finer remaining

88
Q 
In the medium length BE amputation, which of the following muscles are missing
Supinator
Pronation quadratus
Brachioradialis
Flexor carpi radialis
Extensor carpi radialis longus
A

Pronation quadratus

89
Q

If a BE px is harnessed with a split cable housing, which px joint has most likely been used:

A

Step-up hinge

90
Q

Which components provides greatest ROM for bilateral BE amputee

A

Wrist flexion unit

91
Q

Loss of the upper limb just distal to the supinator will result in what amputation level?

A

Short BE RL

92
Q

What modifications is made to the fig 8 harness for bilateral BE

A

Cross back strap added,

Axilla loop are unnecessary

93
Q

The force applied to open the TD of a BE prosthesis is 7lb. How many lbs of force applied at the harness would provide acceptable efficiency?

A

10

94
Q

Patient with long bilateral BE who is also bling will have difficulties using conventional px devices. What surgical intervention can be most useful in this situation

A

Krudenberg’s operation

95
Q

When a voluntary opening px hand is activated, the cable replaces function normally provided by the

A

Extensor carpi radialis longus and brevis

96
Q

Prehension patterns are provided by a prosthetic hand

A

Cylindrical, spherical, palmar

97
Q

Main supinator of forearm

A

Biceps

98
Q

Excursion amplifier increased cable excursion but expense of:

A

Requires more force

99
Q

AE amputation is sometimes performed for a complete brachial plexus injury. For optimum px function what other step would be helpful?

A

Shoulder fusion

100
Q

Brachioradialis primarily

A

Flex elbow joint

101
Q

Biceps brachii produces which of the following actions of the elbow and forearm

A

Flexion and supination

102
Q

Pf of the foot

A

Tibialis post,
Plantaris
Peroneus longus
Gastrocnemius

103
Q

Which muscles undergo a lengthening contraction b/w heel strike and foot flat?

A

Tibialis posterior
Tibialis anterior
Flexor hallucis longus

104
Q

Inversion of foot

A

TA and posterior tib?

105
Q

Active PF is strongest with:

A

Knee extended

Px (15 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions