Using the providing diagram, identify the structure labeled as #1.
Superior/upper right lobe
Inferior/lower right lobe
Superior/upper left lobe
Middle right lobe
The Correct Answer is A
A. Superior/upper right lobe: Label #1 is at the top part of the right lung.
B. Inferior/lower right lobe: The left lung is on the viewer’s right. The lower lobe of the left lung is positioned inferiorly (near the diaphragm) and would be closer to label #8.
C. Superior/upper left lobe: The left lung has only two lobes: superior and inferior. The superior lobe of the left lung would be in the corresponding location to label #6.
D. Middle right lobe: The middle lobe is only present in the right lung and lies below the superior lobe but above the inferior lobe.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Pharynx: Transports air but is not primarily responsible for warming/moistening.
B. Larynx: Functions in voice production and airway protection.
C. Nostrils/nares: Correct; nasal passages warm, moisten, and filter the air.
D. Alveoli: Site of gas exchange, not air conditioning.
Correct Answer is A
Explanation
A. Phrenic nerve: Correct; it controls diaphragm contraction, enabling breathing.
B. Optic nerve: Responsible for vision, not respiration.
C. Intercostal nerve: Controls intercostal muscles, but not the diaphragm.
D. Sciatic nerve: Largest nerve in the leg; unrelated to respiration.
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