The nurse is doing an examination of a client's anterior thorax. The nurse recognizes that the trachea bifurcates anteriorly at the:
Xiphoid process.
Suprasternal notch.
Sternal angle.
Costal angle.
The Correct Answer is C
A. Xiphoid process:
The xiphoid process is a small, cartilaginous extension at the inferior end of the sternum (breastbone). It does not play a role in the bifurcation of the trachea.
B. Suprasternal notch:
The suprasternal notch, also known as the fossa jugularis sternalis or jugular notch, is the visible dip in the superior part of the manubrium of the sternum between the clavicular notches. It is an important anatomical landmark for assessing the position of the trachea during emergency situations but is not the location of tracheal bifurcation.
C. Sternal angle (Angle of Louis):
The sternal angle, or Angle of Louis, is a palpable notch located at the articulation of the manubrium and the body of the sternum. It is where the second rib attaches and serves as a useful reference point for counting ribs and locating internal structures like the tracheal bifurcation.
D. Costal angle:
The costal angle is the acute angle formed by the junction of the costal margins at the xiphoid process. It is not related to the tracheal bifurcation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
. Presence of breath sounds: While assessing the anterior chest, the nurse should listen for breath sounds over various areas of the lungs. However, this is related to auscultation, not inspection.
B. Diaphragmatic excursion: Diaphragmatic excursion involves assessing the movement of the diaphragm during breathing. This is typically done by percussing the level where dullness changes to resonance during inhalation and exhalation. It is more related to percussion, not inspection.
C. Symmetric chest expansion: Symmetric chest expansion refers to the equal expansion of both sides of the chest during inhalation. The nurse can observe and palpate the chest to assess if it expands symmetrically on both sides. This is a crucial aspect of the inspection of the anterior chest.
D. Shape and configuration of the chest wall: The shape and configuration of the chest wall, including abnormalities or deformities, should be assessed during inspection. This includes observing for any asymmetry, deformities, masses, or scars on the anterior chest.
Correct Answer is B
Explanation
A. Glandular tissue, which supports the breast by attaching to the chest wall: Glandular tissue is indeed a part of the breast structure, but it is not responsible for supporting the breast by attaching to the chest wall. It's the Cooper's ligaments, which are fibrous connective tissue, that provide structural support.
B. Fibrous, glandular, and adipose tissues: This statement is correct. The breast is composed of glandular tissue (responsible for milk production), fibrous tissue (including Cooper's ligaments for support), and adipose tissue (fat).
C. Primarily muscle with very little fibrous tissue: The breast contains very little muscle tissue. The main supportive structure is fibrous tissue, not muscle.
D. Primarily milk ducts, known as lactiferous ducts: Milk ducts are part of the glandular tissue and are responsible for carrying milk. However, the breast is not primarily made up of milk ducts; it consists of a combination of glandular, fibrous, and adipose tissues.
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