workbook chapt. 3

Question 1

what is the musculomembranous tubular structure located in front of the vertebrae and behind the nose, the mouth, and the larynx

Answer 1

pharynx

Question 2

which structure of the neck is approx 1.5 inches and is below the root of the tongue and in front of the laryngeal pharynx

Answer 2

larynx

Question 3

which structure forms the laryngeal prominence

Answer 3

thyroid cartilage

Question 4

prevents leakage into the larynx during swallowing

Answer 4

epiglottis

Question 5

most superiorly located structure of the neck

Answer 5

pharynx

Question 6

what is the name of the area between the two pleural cavities

Answer 6

mediastinum

Question 7

which structure is not demonstrated within the mediastinum in PA projections of the chest

Answer 7

diaphragm

Question 8

when performing the AP projection of the soft tissue neck, at what level do you direct the central ray for the upper airway

Answer 8

laryngeal prominence

Question 9

when performing the AP projection of the soft tissue neck, at what level do you direct the central ray for the larynx and superior mediastinum

Answer 9

jugular notch

Question 10

what is the collimation light field parameters when performing AP and lateral projections of the soft tissue neck

Question 11

what is the breathing instructions for AP and lateral projections of the soft tissue neck

Answer 11

slow inspiration

Question 12

which pathologic condition of the lungs involves the replacement of air with fluid in the lung interstitium and alveoli

Answer 12

pulmonary edema

Question 13

why should chest images be performed with a 72 inch (183-cm) SID

Answer 13

to minimize magnification of the heart

Question 14

why should chest images be performed after the patient has suspended respiration after the second inspiration

Answer 14

to expand the lungs

Question 15

with reference to the IR, how are the midsagittal and midcoronal planes positioned for the PA projection of the chest

Answer 15

midsagittal perpendicular and midcoronal parallel

Question 16

for the PA position of the chest, which positioning maneuver should be performed for the best removal of the scapulae form the lung field

Answer 16

rotate the shoulders forward

Question 17

why would the chest most likely be demonstrated using two PA projections

Answer 17

to demonstrate pnuemothorax

Question 18

which of the following is an effective way to detect rotation of the patient with the PA projection radiograph of the chest

Answer 18

the asymmetrical appearance of the sternoclavicular joints

Question 19

for which projection of the chest should the MSP be parallel with the IR

Answer 19

lateral projection

Question 20

how are the MCP and MSP positioned for the lateral projection of the chest

Answer 20

MCP perpendicular; MSP parallel

Question 21

which projection of the chest best demonstrates lung apices free from superimposition with the clavicles

Answer 21

AP axial projection (lordotic position; Lindblom method)

Question 22

how many degrees should the patient be rotated for PA oblique projections of the chest to evaluate the lungs

Answer 22

RAO 45 degrees and LAO 45 degrees

Question 23

which PA projection of the chest may be used to evaluate the heart and great vessels when performing a cardiac series

Answer 23

55-60 LAO

Question 24

using a lateral decubitus position for patients who are unable to stand upright best demonstrates which of the following pathologic conditions of the chest

Answer 24

air or fluid levels

Question 25

how are the MSP and MCP positioned for the AP chest (left lateral decubitus position)

Answer 25

MSP perpendicular; MCP parallel

Question 26

which pathologic condition of the lungs is best demonstrated with the AP chest (left lateral decubitus position)

Answer 26

fluid levels in the left side or free air in the right side

Question 27

which pathologic condition of the lungs is best demonstrated with the AP chest (right lateral decubitus position)

Answer 27

fluid levels in the right side or free air in the left side

Question 28

which position requires that the patient be placed supine with the IR placed vertically against the patients right side and a horizontal central ray directed to the center of the IR

Answer 28

dorsal decubitus

Question 29

which position requires that the patient be placed prone

Answer 29

ventral decubitus

Question 30

which evaluation criterion pertains to the AP projection radiograph of the chest

Answer 30

10 posterior ribs should be visible above the diaphragm

Question 31

which evaluation criterion pertains to the PA projection radiograph of the chest

Answer 31

the scapulae should be projected outside the lung fields

Question 32

which evaluation criterion pertains to the lateral radiograph of the chest

Answer 32

the ribs posterior to the vertebral column should be superimposed

Question 33

which evaluation criterion pertains to the AP axial projection (lordotic position) radiograph of the chest

Answer 33

the ribs should appear distorted & the clavicles should lie superior to the apices

Question 34

when performing the AP axial projection, lordotic position image of the chest, at what level do you direct the CR

Answer 34

midsternum