Chest Test

Question 1

Which of the following best describes the central ray direction on the lateral decubitus chest projection? Choose all that apply.

a.) 3” to 4” below the jugular notch
b.) T3
c.) 2” to 3” below jugular notch
d.) T7

Answer 1

a.) 3” to 4” below the jugular notch
d.) T7

Question 2

which of the following evaluation criteria should be demonstrated on AP lordotic chest projection? Choose all that apply.

a.) Clavicles should be above apices
b.) medial aspect of clavicles superimposed by first ribs
c.) posterior ribs will appear horizontal
d.) sternal ends of clavicles same distance from vertebra column

Answer 2

a.) clavicles should be above apices
b.) medial aspect of clavicles superimposed by first ribs
c.) posterior ribs will appear horizontal
d.) sternal ends of clavicles same distance from vertebra column
-all answers are correct

Question 3

Which of the following best decribes the CR for PA chest projection?

a.) CR is angled caudad
b.) CR is perpendicular to IR
c.) CR is angled cephalad
d.) IR is not centered to CR

Answer 3

b.) CR is perpendicular to IR

Question 4

Which of the following evaluation criteria are demonstrated on the lateral decubitus chest radiograph? Choose all that apply.

a.) entire lungs
b.) apices
c.) only one costophrenic angle
d.) both lateral borders of the ribs

Answer 4

a.) entire lungs
b.) apices
d.) both lateral borders of the ribs

Question 5

What is the central ray using the vertebra prominens on a male patient for PA chest projections?

a.) 5”
b.) 6”
c.) 7”
d.) 8”

Answer 5

d.) 8”

Question 6

Where is the central ray directed on lordotic chest projections? Choose all that apply.

a.) central is perpendicular to IR
b.) centered to midsternum
c.) centered 3” to 4” below jugular notch
d.) CR is centered 2” below jugular notch

Answer 6

a.) central is perpendicular to IR
b.) centered to midsternum
c.) centered 3” to 4” below jugular notch

Question 7

How high should the IR be placed above the shoulders for PA chest projection?

a.) 1/2”
b.) 1’’
c.) 1 1/2” to 2”
d.) 3”

Answer 7

c.) 1 1/2” to 2”

Question 8

Which of the following best describes the patient postion for lordotic chest x ray?

a.) patient should be standing 1 foot away from IR leaning back
b.) patient should be standing 1/2” away from IR leaning back
c.) patient should be standing 3” away from IR leaning back
d.) patient should be standing 3 feet away from IR leaning back

Answer 8

a.) patient should be standing 1 foot away from IR leaning back

Question 9

The correct exposure on a chest radiograph should be made at the end of first inspiration.

a.) true
b.) false

Answer 9

b.) false

Question 10

Which of the following is the correct CR level and inches for AP projection of the chest?

a.) CR level T7 and 3” to 4” below jugular notch
b.) CR to level T3 and 7” below jugular notch
c.) CR level T4 and 3” below jugular notch
d.) CR level T7 and 7” to 8” below jugular notch

Answer 10

a.) CR level T7 and 3” to 4” below jugular notch

Question 11

The correct SID for all chest radiographs?

a.) 40’’
b.) 48’’
c.) 72’’
d.) 70”

Answer 11

c.) 72’’

Question 12

Which of the following respirations is correct for AP chest radiographs?

a.) only one inspiration
b.) double inspiration
c.) expiration
d.) inspiration and expiration

Answer 12

b.) double inspiration

Question 13

The central ray should be directed _____________ to teh midsternum for _____________.

a.) 15 to 20 degree cephalad; AP supine lordotic chest projection
b.) 5 to 10 degrees cephalad, decubitus chest projection
c.) 10 to 15 degrees caudad, oblique chest projection
d.) 15 to 20 degrees caudad, AP supine lordotic chest projection

Answer 13

a.) 15 to 20 degrees cephalad, AP supine lordotic chest projection

Question 14

Which of the following evaluation criteria should be demonstrated on anterior oblique chest projection? Choose all that apply.

a.) hilum
b.) outline of diaphragm
c.) heart should appear sharp
d.) no motion

Answer 14

b.) outline of diaphragm
c.) heart should appear sharp
d.) no motion

Question 15

When is a 60 degree oblique chese radiograph required?

a.) studies of the right lung
b.) studies of the left lung
c.) studies of the heart and great vessels
d.) studies of the hilum

Answer 15

c.) studies of the heart and great vessels

Question 16

If patient has suspected amounts of air (pneumothorax) how should the patient be positioned?

a.) affected side should be down
b.) affected side should be up
c.) patient should be prone
d.) patient should be supine

Answer 16

b.) affected side should be up

Question 17

which of the following evaluation criteria are best demonstrated on posterior oblique chest projections? Choose all that apply.

a.) decreased magnification of anterior diaphragm
b.) increased magnification of anterior diaphragm
c.) lungs appear shorter
d.) heart and great vessels appear larger

Answer 17

b.) increased magnification of anterior diaphragm
c.) lungs appear shorter
d.) heart and great vessels appear larger

Question 18

On the lateral decubitus chest radiograph if the patient has possible pleural effusion how should the patient be positioned?

a.) suspected side up
b.) suspected side down
c.) suspected side should be supine
d.) suspected side should be prone

Answer 18

b.) suspected side down

Question 19

Which of the following is the correct SID for AP chest radiograph?

a.) 40’’
b.) 48’’
c.) 72’’
d.) 36’’

Answer 19

c.) 72’’

Question 20

Which of the following evaluation criteria is demonstrated on PA chest projection? Choose all that apply.

a.) both lungs from apices to costophrenic angles
b.) air filled trachea
c.) hilum markings
d.) heart

Answer 20

a.) both lungs from apices to costophrenic angles
b.) air filled trachea
c.) hilum markings
d.) heart
- all are correct

Question 21

Which of the follwoign is correct regarding part position for a PA chest radiograph? Choose all that apply.

a.) align midsagital plane with CR
b.) ensure rotation
c.) center to level of T7
d.) Top of IR should be 1’’ above the top of shoulders

Answer 21

a.) align midsagital plane with CR
c.) center to level of T7

Question 22

Which of the following best describes the part position of the posterior oblqiue projection of the chest ? Choose all that apply.

a.) top of IR 2’’ above the vertebra prominens
b.) top of IR 1’’ above vertebra prominens
c.) 5’’ above level of jugular notch
d.) 4’’ above level of jugular notch

Answer 22

b.) top of IR 1’’ above vertebra prominens

Question 23

WHat is the correct rotation for the oblique chest projection?

a.) 20 degrees
b.) 30 degrees
c.) 40 degrees
d.) 45 degrees

Answer 23

d.) 45 degrees

Question 24

To evaluate a 45 degree rotation on anterior oblique chest projection. The distance from the outer margin of the ribs to the vertebral column on the side _________ from the IR should be approximately _________ times the distance of the side clsest to the IR.

a.) closest, three
b.) fartherest, two
c.) closest, one
d.) fartherest, three

Answer 24

b.) fartherest, two

Question 25

How far above the shoulders should the IR be placed for the lordotic chest projection?

a.) 1’’
b.) 1 1/2’’ to 2’’
c.) 3’’
d.) 4’’

Answer 25

c.) 3’’

Question 26

Which of the following evaluation criteria should be included on the lordotic chest projection? Choose all that apply.

a.) entire lung fields
b.) only apices should be included
c.) clavicles should be included
d.) clavicles should not be seen

Answer 26

a.) entire lung fields
c.) clavicles should be included

Question 27

Which of the following criteria are demonstrated on the anterior oblique projections? Choose all that apply.

a.) air filled trachea
b.) great vessels
c.) hilum
d.) costophrenic angles

Answer 27

a.) air filled trachea
b.) great vessels
d.) costophrenic angles

Question 28

Which of the following are best demonstrated on the lateral projection of the chest? Choose all that apply.

a.) patient erect, left side against IR
b.) arms raised above head
c.) chin up
d.) central ray is centered to midthorax at T7

Answer 28

a.) patient erect, left side against IR
b.) arms raised above head
c.) chin up
d.) central ray is centered to midthorax at T7
- all are correct

Question 29

Which of the following are correct patient positions for PA chest projection. Choose all that apply.

a.) Patient should be erect
b.) feet spread slightly
c.) chin should be down
d.) hands on hips palms out with elbows flexed
e.) rotate shoulders forward and depress shoulders

Answer 29

a.) patient should be erect
b.) feet spread slightly
d.) hands on hips palms out with elbows flexed
e.) rotate shoulders forward and depress shoulders

Question 30

The only differences between PA erect chest and PA stretcher chest is the arms are wrapped around wallboard/cassette.

a.) true
b.) false

Answer 30

a.) true

Question 31

Which of the following evaluation criteria are best visualized with 60 degree LAO chest projections? Choose all that apply.

a.) great vessels
b.) heart outline
c.) hilum

Answer 31

a.) great vessels
b.) heart outline
c.) hilum

Question 32

Which of the following best describes the reason lordotic chest radiographs are ordered by a physician?

a.) Place clavicles well above the apices of the lungs. in order to rule out masses or calcifications under the clavicles
b.) no special reason
c.) place clavicles down into lungs
d.) see diaphragm

Answer 32

a.) place clavicles well above the apices of the lungs. In order to rule out masses or calcifications under the clavicles

Question 33

Exposure should be made at the end of full expiration on lateral decubitus chest.

a.) true
b.) false

Answer 33

b.) false

Question 34

What is the degree of rotation used to demonstrate pulmonary disease on the anterior oblique projections?

a.) 5 to 10 degrees
b.) 45 degrees
c.) 60 degrees
d.) 15 to 20 degrees

Answer 34

d.) 15 to 20 degrees

Question 35

Patient should be placed on radiopaque pad for lateral decubitus chest.

a.) true
b.) false

Answer 35

b.) false

Question 36

Which of the following evaluation criteria are best demonstrated on the lateral chest projection? Choose all that apply.

a.) entire lungs
b.) sternum anteriorly to posterior ribs and thorax posterior
c.) chin and arms should be down
d.) posterior ribs and costophrenic angle on side away from IR

Answer 36

a.) entire lungs
b.) sternum anteriorly to posterior ribs and thorax posterior
d.) posterior ribs and costophrenic angle on side away from IR

Question 37

Which of the following is the correct SID for decubitus chest radiograph?

a.) 36’’
b.) 40’’
c.) 72’’
d.) 70’’

Answer 37

c.) 72’’

Question 38

Where is the top of the IR placed for the anterior oblique chest projections?

a.) 1/2’’
b.) 1’’
c.) 1 1/2’’
d.) 2’’

Answer 38

b.) 1’’

Question 39

What is the correct central ray using the vertebra prominens on a female patient?

a.) 5’’
b.) 6’’
c.) 7’’
d.) 8’’

Answer 39

c.) 7’’

Question 40

Which of the following evaluation criteria is best demonstrated on PA chest radiograph? Choose all that apply.

a.) chin is elevated to prevetn superimposition of apices
b.) shoulders rotated forward to place scapula in the lung field
c.) both SC joints same distance from center line of spine
d.) motion on radiograph
e.) minimum of 10 posterior ribs above diaphragm

Answer 40

a.) chin is elevated to prevent superimposition of apices
c.) both SC joints same distance from center line of spine
e.) minimim of 10 posterior ribs above diaphragm

Question 41

The ________ should be in the center of the radiograph on a lateral chest x ray.

a.) heart
b.) apices
c.) hilum
d.) thoracic vertebra

Answer 41

c.) hilum

Question 42

On the lateral chest projection the CR and IR should be lowered a minimum of _________ from the PA to prevent clipping angles.

a.) 0’’
b.) 1/2’’
c.) 1’’
d.)1 1/2’’

Answer 42

c.) 1’’

Question 43

What is the maximum amount of rotation on a lateral chest x ray?

a.) 1/3’’ to 1/2’’
b.) 1/4’’ to 1/2’’
c.) 2’’
d.) 3’’

Answer 43

b.) 1/4’’ to 1/2’’

Question 44

The right lung has ________ lobes and the left lung has _________ lobes.

a.) three, two
b.) two, three
c.) two, one
d.) two, four

Answer 44

a.) three, two

Question 45

Where is the CR directed on anterior oblique chest projection?

a.) T3
b.) T4
c.) T6
d.) T7

Answer 45

d.) T7

Question 46

Which of the following evaluation criteria are best demonstrated on AP chest projections? Choose all that apply.

a.) heart appears larger due to increased magnification from shorter SID and increased OID
b.) pleural effusion obscures lung markings
c.) without horizontal beam fluid levels may not be seen
d.) inspiration may not be full
e.) only eight or nine ribs are seen above diaphragm
f.) lungs appear more dense

Answer 46

a, b, c, d, e, f
- all answers are correct

Question 47

Which of the following best describes the CR on the AP chest projection?

a.) CR perpendicular to long axis of the sternum
b.) CR angled cephalad to the chest
c.) CR angled caudad to be perpendicular with long axis of sternum
d.) CR angled caudad to lungs

Answer 47

c.) CR angled caudad to be perpendicular with long axis of sternum