Radiographic positioning and related anatomy
Ch. 2 Study Guide with Complete Solutions
Chest (thorax) - Answer✔️✔️-upper portion of the trunk between the neck
and abdomen
divisions of the chest - Answer✔️✔️-bony thorax, respiratory system proper,
and mediastinum
bony thorax - Answer✔️✔️-protective framework for parts of the chest
involved with breathing, and blood circulation.
sternum - Answer✔️✔️-breast bone. divided into manubrium (superior
portion), body (large center portion), and the xiphoid process (smaller
inferior portion).
divisions of bony thorax - Answer✔️✔️-superiorly, consists of the 2 clavicles
(collarbones) that connect the sternum to the 2 scapulae (shoulder blades),
the ribs that circle the thorax and the 12 thoracic vertebrae.
12 pairs or 24 total - Answer✔️✔️-how many ribs are there?
vertebra prominens and jugular notch - Answer✔️✔️-landmarks for chest
positioning
7th cervical vertebra - Answer✔️✔️-vertebra prominens. important
landmark for determining the CR location on a PA chest projection
Page 1 of 11
, ©SOPHIABENNETT@2024-2025 Monday, August 19, 2024 12:35 AM
2nd and 3rd thoracic vertebra - Answer✔️✔️-jugular notch (manubrial or
suprasternal notch). important landmark for determining the CR
placement on an anteroposterior chest projection
7th thoracic vertebra - Answer✔️✔️-midthorax. location on the mid-sagittal
plane where the PA chest x-ray should be centered. top of the lungs
4th or 5th thoracic vertebra - Answer✔️✔️-sternal angle
9th or 10th thoracic vertebra - Answer✔️✔️-xiphoid process tip. inferior tip
of the sternum. separates the chest cavity from the abdominal cavity.
respiratory system divisions - Answer✔️✔️-pharynx, trachea, right and left
bronchi, and lungs.
diaphragm - Answer✔️✔️-primary muscle of inspiration
hemidiaphragm - Answer✔️✔️-each half of the diaphragm.
pharynx - Answer✔️✔️-upper airway. passageway that air passes through
before it enters the larynx. Serves as the passageway for food and fluids as
well as air, making it common to the digestive and respiratory systems
3rd cervical vertebra to the 6th cervical vertebra - Answer✔️✔️-larynx (voice
box) the beginning of the respiratory system . approximately 1 1/2 to 2
inches in length.
laryngeal prominence - Answer✔️✔️-5th cervical vertebra. prominent
anterior projection of the thyroid cartilage. adams apple.
Page 2 of 11