Positioning Chapter 7

50問 • 1年前

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問題一覧

What is the central-ray angle for a lateral projection of the patella?

0 degrees

Where does the central ray enter the knee for a lateral projection of the patella?

At the midpatellofemoral joint

Which of the following is the essential method of demonstrating the patella in the tangential projection?

Settegast

The projection of the patella demonstrated in this figure is the

Settegast

Which of the following positions can be used to perform the tangential projection (Settegast method) of the patella? 1. Seated 2. Supine 3. Prone

1, 2, and 3

The preferred method of positioning the patient for the tangential projection (Settegast method) of the patella is

prone.

Where is the central ray directed for the tangential projection (Settegast method) of the patella?

Through the patellofemoral joint space

What is the recommended source-to-image receptor distance (SID) for a tangential projection of the patella (Merchant method)?

72 inches

What is the degree of knee flexion for a tangential projection of the patella (Merchant method)?

40 degrees

What is central ray angulation for a tangential projection of the patella (Merchant method) with 40 degree knee flexion?

30 degrees caudad from the horizontal place

What does the central ray enter for a tangential projection of the patella (Merchant method)?

Level of the patellofemoral joint

What is the degree of angulation for the tangential projection of the patella (Settegast method)?

Variable—depending on the degree of knee flexion

What is the central-ray angle for an AP projection of the femur?

0 degrees

How many degrees should the limb be internally rotated for an AP projection of the femur with the hip included?

Where should the top of the IR/collimated field be placed for an AP projection of the proximal femur?

ASIS

How far should the IR/collimated field extend below the knee for a lateral projection of the femur?

2 inches

If a lateral projection of the femur will include the hip joint, where should the top of the IR/collimated field be placed?

Anterior superior iliac spine

How far should the patient be rolled posteriorly from the lateral position, for a lateral projection of the proximal femur that will include the hip?

10 to 15 degrees

The superior portion of the calcaneus contains a groove called the calcaneal sulcus. The inferior portion of the talus contains a matching groove called the sulcus tali. Collectively, these two sulci form the

sinus tarsi.

Which tarsal bone lies directly anterior to the talus?

Navicular

On which aspect of the foot does the cuboid lie?

Lateral

The talus articulates with how many bones?

Four

The proximal end of the tibia presents two prominent processes called the

condyles

The two flat, superior surfaces of the tibia are called the

tibial plateaus.

The tibial plateaus slope _____ 10 to 20 degrees.

posteriorly

On the anterior surface of the tibia is a prominent process called the

tibial tuberosity.

When the femur is vertical, the medial condyle is lower than the lateral condyle. How many degrees difference is there between the two?

5 to 7

Posteriorly, the femoral condyles are separated by a deep depression called the

intercondylar fossa.

The area identified on this figure is the

intercondylar fossa.

The area identified on the ankle illustration above is the

anterior tubercle.

The circular fibrocartilage disks or pads that lie on the tibial plateaus are called the

menisci.

The ligament identified in this figure is the

posterior cruciate.

Which projection of the foot will show the cuboid in profile?

AP oblique, medial rotation

Where is the central ray directed for a lateral projection of the calcaneus?

1 inch distal to the medial malleolus

Where is the central ray directed for an AP projection of knees, weight-bearing?

1/2 inch below the apices of the patellae

If the knee is flexed 40 degrees for the PA axial intercondylar fossa (Camp-Coventry) projection, how many degrees is the central ray angled?

Which part of the knee is identified on this figure?

Medial meniscus

The only ball-and-socket joint in the foot is the

talocalcaneonavicular.

All of the joints of the foot are synovial (freely movable) except the

distal tibiofibular.

What type of joint is the ankle mortise?

Synovial—hinge

Which of the following is the strongest tarsal bone?

Calcaneus

An avulsion fracture of the base of the fifth metatarsal is called a ____ fracture.

Jones

The incomplete separation or avulsion of the tibial tuberosity is known as

Osgood-Schlatter disease.

What anatomy is labeled as letter A in the image below?

First metatarsophalangeal joint

The group of bones labeled as G in the image below are the

tarsals

Letter H in the image below labels the

cuboid.

What is the projection and anatomy of interest depicted in the image below?

Plantodorsal axial calcaneus

What anatomy is labeled as letter A in the image below?

Tibiotalar joint

What anatomy is labeled as letter D in the image below?

Talus

What anatomy is labeled as letter B in the image below?

Sinus tarsi

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Positioning Chapter 7

ユーザ名非公開 · 50問 · 1年前

Positioning Chapter 7

50問 • 1年前

ユーザ名非公開

問題一覧

What is the central-ray angle for a lateral projection of the patella?

0 degrees

Where does the central ray enter the knee for a lateral projection of the patella?

At the midpatellofemoral joint

Which of the following is the essential method of demonstrating the patella in the tangential projection?

Settegast

The projection of the patella demonstrated in this figure is the

Settegast

Which of the following positions can be used to perform the tangential projection (Settegast method) of the patella? 1. Seated 2. Supine 3. Prone

1, 2, and 3

The preferred method of positioning the patient for the tangential projection (Settegast method) of the patella is

prone.

Where is the central ray directed for the tangential projection (Settegast method) of the patella?

Through the patellofemoral joint space

What is the recommended source-to-image receptor distance (SID) for a tangential projection of the patella (Merchant method)?

72 inches

What is the degree of knee flexion for a tangential projection of the patella (Merchant method)?

40 degrees

What is central ray angulation for a tangential projection of the patella (Merchant method) with 40 degree knee flexion?

30 degrees caudad from the horizontal place

What does the central ray enter for a tangential projection of the patella (Merchant method)?

Level of the patellofemoral joint

What is the degree of angulation for the tangential projection of the patella (Settegast method)?

Variable—depending on the degree of knee flexion

What is the central-ray angle for an AP projection of the femur?

0 degrees

How many degrees should the limb be internally rotated for an AP projection of the femur with the hip included?

Where should the top of the IR/collimated field be placed for an AP projection of the proximal femur?

ASIS

How far should the IR/collimated field extend below the knee for a lateral projection of the femur?

2 inches

If a lateral projection of the femur will include the hip joint, where should the top of the IR/collimated field be placed?

Anterior superior iliac spine

How far should the patient be rolled posteriorly from the lateral position, for a lateral projection of the proximal femur that will include the hip?

10 to 15 degrees

sinus tarsi.

Which tarsal bone lies directly anterior to the talus?

Navicular

On which aspect of the foot does the cuboid lie?

Lateral

The talus articulates with how many bones?

Four

The proximal end of the tibia presents two prominent processes called the

condyles

The two flat, superior surfaces of the tibia are called the

tibial plateaus.

The tibial plateaus slope _____ 10 to 20 degrees.

posteriorly

On the anterior surface of the tibia is a prominent process called the

tibial tuberosity.

When the femur is vertical, the medial condyle is lower than the lateral condyle. How many degrees difference is there between the two?

5 to 7

Posteriorly, the femoral condyles are separated by a deep depression called the

intercondylar fossa.

The area identified on this figure is the

intercondylar fossa.

The area identified on the ankle illustration above is the

anterior tubercle.

The circular fibrocartilage disks or pads that lie on the tibial plateaus are called the

menisci.

The ligament identified in this figure is the

posterior cruciate.

Which projection of the foot will show the cuboid in profile?

AP oblique, medial rotation

Where is the central ray directed for a lateral projection of the calcaneus?

1 inch distal to the medial malleolus

Where is the central ray directed for an AP projection of knees, weight-bearing?

1/2 inch below the apices of the patellae

If the knee is flexed 40 degrees for the PA axial intercondylar fossa (Camp-Coventry) projection, how many degrees is the central ray angled?

Which part of the knee is identified on this figure?

Medial meniscus

The only ball-and-socket joint in the foot is the

talocalcaneonavicular.

All of the joints of the foot are synovial (freely movable) except the

distal tibiofibular.

What type of joint is the ankle mortise?

Synovial—hinge

Which of the following is the strongest tarsal bone?

Calcaneus

An avulsion fracture of the base of the fifth metatarsal is called a ____ fracture.

Jones

The incomplete separation or avulsion of the tibial tuberosity is known as

Osgood-Schlatter disease.

What anatomy is labeled as letter A in the image below?

First metatarsophalangeal joint

The group of bones labeled as G in the image below are the

tarsals

Letter H in the image below labels the

cuboid.

What is the projection and anatomy of interest depicted in the image below?

Plantodorsal axial calcaneus

What anatomy is labeled as letter A in the image below?

Tibiotalar joint

What anatomy is labeled as letter D in the image below?

Talus

What anatomy is labeled as letter B in the image below?

Sinus tarsi