Radiographic Positioning and Related Anatomy-
Chapter 2 Study Guide with Complete Solutions
Bony Thorax - Answer✔️✔️-is the part of the skeletal system that provides a
protective framework for the parts of the chest involved with breathing
and blood circulation.
Parts of the bony thorax - Answer✔️✔️-sternum, 2 clavicles, 2 scapulae, 12
pairs of ribs, 12 thoracic vertebrae
Vertebrae prominens - Answer✔️✔️-is an important landmark for
determining the CR location on a PA chest projection.
Jugular notch - Answer✔️✔️-is an important landmark for determining the
CR placement on AP chest projections
Pharynx - Answer✔️✔️-is a structure or passageway that is important to the
respiratory system because air must pass through it.
Three divisions of the pharynx - Answer✔️✔️-nasopharynx, oropharynx,
laryngopharynx
Esophagus - Answer✔️✔️-the part of the digestive system that connects the
pharynx with the stomach. It is located posteriorly to the larynx and
trachea
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Four parts of the Respiratory System - Answer✔️✔️-Larynx, Trachea, Rt and
Lft Bronchi, and lungs
Larynx - Answer✔️✔️-or voice box, is a cartilaginous structure that is
approximately 1 1/2'' to 2'' in length in an adult. It is located in the anterior
portion of the neck.
Hyoid Bone - Answer✔️✔️-is found in the upper neck just below the tongue
or floor of the mouth.
Trachea - Answer✔️✔️-or windpipe, is a fibrous muscular tube about 1/2'' in
diameter and 4 1/2'' long. Located anteriorly to the esophagus, at the level
of C6, and downward to the level of T4 of T5 where it divides into Rt and
Lft Bronchi
Thyroid Gland - Answer✔️✔️-is a vascular organ that is located anteriorly in
the neck region just below the larynx, with its right and left lateral lobes on
each side and distal to the proximal trachea.
Thymus Gland - Answer✔️✔️-is located just inferior to the thyroid gland
Carina - Answer✔️✔️-is specific prominence or ridge of the lowest tracheal
cartilage, which is seen at the bottom and inside portion of the trachea,
where it divides into the rt and lft bronchi. Located at the approximate
level of T5.
Alveoli - Answer✔️✔️-Oxygen and Carbon Dioxide are exchanged in the
blood
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